Answer:
a.both the equilibrium price and quantity of DVD players will decrease
Explanation:
When the amount required or given varies, even if the price stays the same, a move in the demand or supply curve occurs. Changes in the curve of demand mean that the initial relationship of production has shifted so that demand of quantity has a factor apart from cost influenced
A right shift change of the supply curve shows an increase in supply and, on equal footing, the equilibrium price decreases.
Once the demand curve shifts to the left, the demand decreases.
What are two compatibility issues that may arise between computer systems while transferring presentations?
(Fill in the blank).
Different video files and _____ can cause compatibility issues to arise between computer systems
Answer:
The ability to work together without changing is compatibility.
First is, various software versions included or installed on the computers. The second is the various operating systems in the computers.
Different video files and operating system versions_ can cause compatibility issues to arise between computer systems.
It might trigger compatibility problems with a few of the existing software once you update or even upgrade your operating system. This issue is very rare with upgrades, but very popular with full version upgrades such as Windows 7 to Windows 10.
Answer:
Video card adapted.
Explanation:
In computer systems, compatibility is the ability for a file to run in the computer system safely and smoothly without errors. Videos have several formats like MP3 and many more, that can run on several digital platforms.
A computer system video card adapter is an essential device that provides the memory and interface to run graphic files like the videos. For a video or presentation to be transferred between computer, it format needs to be compatible with the video cards and screen resolution of the device.
When you write a program that will run in a GUI environment as opposed to a
command-line environment, ____________.
you do not need to plan the logic
the logic is very different
users are more confused
some syntax is different
When you write a program that will run in a GUI environment as opposed to a
command-line environment, some syntax is different.
Explanation:
GUI (Graphical User Interface) which is the computer user interface uses graphical images to activate and run the applications.Command line interface is a interface that is in a text format, which can accept commands for a task.So, to program both interface, we need high level program skills with good understanding in programming languages like C++, C etc and algorithms. Here, the GUI syntax differs from the command line interface.The Pentium 4 Prescott processor, released in 2004, had a clock rate of 3.6 GHz and voltage of 1.25 V. Assume that, on average, it consumed 10 W of static power and 90 W of dynamic power. The Core i5 Ivy Bridge, released in 2012, had a clock rate of 3.4 GHz and voltage of 0.9 V. Assume that, on average, it consumed 30 W of static power and 40 W of dynamic power. 1. For each processor find the average capacitive loads. 2. Find the percentage of the total dissipated power comprised by static power and the ratio of static power to dynamic power for each technology. 3. If the total dissipated power is to be reduced by 10%, how much should the voltage be reduced to maintain the same leakage current? Note: power is defined as the product of voltage and current.
Answer:
1. Capacitive load for pentium 4 prescott processor = 32 nF. Capacitive load for core i5 ivy processor = 29.05 nF
2. Percentage of total dissipated power comprised by static power for Pentium 4 Prescott processor = 10 %. The ratio of static power to dynamic power = 0.11
Percentage of total dissipated power comprised by static power for Core i5 Ivy Bridge processor = 42.86 %. The ratio of static power to dynamic power = 0.75
3. Reduction in voltage for Pentium 4 Prescott processor = 5.9 % reduction
Reduction in voltage for Core i5 Ivy Bridge processor = 9.8 % reduction
Explanation:
1. We know that dynamic power, P ≈ 1/2 CV²f where C is the capacitive load of the transistor, v its voltage and f the frequency.
So C ≈ 2P/V²f
For the Pentium 4 Prescott processor, V₁ = 1.25 V, f₁ = 3.6 GHz and P₁ = 90 W. Let C₁ be its capacitive load. So, C₁ ≈ 2P/V²f = 2 × 90 W/ (1.25 V)² × 3.6 × 10⁹ Hz = 3.2 × 10⁻⁸ F = 32 × 10⁻⁹ F = 32 nF
For the Core i% Ivy Bridge processor, V = 0.9 V, f = 3.4 GHz and P = 40 W. Let C₂ be its capacitive load. So, C₂ ≈ 2P/V²f = 2 × 40 W/ (0.9 V)² × 3.4 × 10⁹ Hz = 2.905 × 10⁻⁸ F = 29.05 × 10⁻⁹ F = 29.05 nF
2. Total power = static power + dynamic power.
For the Pentium 4 Prescott processor, static power = 10 W and dynamic power = 90 W. So, total power, P = 10 W + 90 W = 100 W.
The percentage of this total power that is static power = static power/total power × 100 = 10/100 × 100 = 10 %
The ratio of static power to dynamic power = static power/ dynamic power = 10/90 = 0.11
For the Core i5 Ivy Bridge processor, static power = 30 W and dynamic power = 40 W. So, total power, P = 30 W + 40 W = 70 W.
The percentage of this total power that is static power = static power/total power × 100 = 30/70 × 100 = 42.86 %
The ratio of static power to dynamic power = static power/ dynamic power = 30/40 = 0.75
3. We know Total power = static power + dynamic power. And that leakage current is due to static power. Since P = IV , I (leakage current) = P/ V
Since the total dissipated power is reduced by 10%, P₂ = (1 - 0.1)P₁ = 0.9P₁ where P₁ is the total power dissipated before the 10% reduction and P₂ is the new power dissipated after the 10% reduction in total dissipated power.
Let new total dissipated power, P₂ = new static power I₂V₂ + new dynamic power 1/2C₂V₂²f₂ = 0.9P₁.
For the Pentium 4 Prescott processor, P₂ = I₂V₂ + 1/2C₂V₂²f₂ = 0.9P₁. Since I₂(leakage current) = static power/voltage = 10 W/1.25 V = 8 A (since the leakage current is constant), we have
8 A × V₂ + 1/2 × 32 × 10⁻⁹ F × V₂² × 3.6 × 10⁹ Hz = 0.9 × 100
8V₂ + 57.6V₂² = 90. This leads to the quadratic equation
57.6V₂² + 8V₂ - 90 = 0. By the quadratic formula,
V₂ = [tex]\frac{-8 +/- \sqrt{8^{2} -4X57.6 X -90} }{2X57.6} = \frac{-8 +/- \sqrt{64 + 20736} }{115.2} = \frac{-8 +/- \sqrt{20800} }{115.2}\\=\frac{-8 +/- 144.222}{115.2}\\[/tex]
V₂ = 1.18 V or - 1.32 V .
Choosing the positive answer, the new voltage is 1.18 V. The percentage reduction is (new voltage - old voltage)/new voltage × 100 % = (1.18 - 1.25)/1.18 × 100 % = -0.07/1.18 × 100 % = -5.9 % . Which is a 5.9 % reduction from 1.25 V
For the Core i5 Ivy Bridge processor, P₂ = I₂V₂ + 1/2C₂V₂²f₂ = 0.9P₁. Since I₂(leakage current) = static power/voltage = 30 W/0.9 V = 33.33 A (since the leakage current is constant), we have
33.33 A × V₂ + 1/2 × 29.05 × 10⁻⁹ F × V₂² × 3.4 × 10⁹ Hz = 0.9 × 70
33.33V₂ + 49.385V₂² = 63. This leads to the quadratic equation
49.385V₂² + 33.33V₂ - 63 = 0. By the quadratic formula,
V₂ = [tex]\frac{-49.385 +/- \sqrt{49.385^{2} -4X33.33 X -63} }{2X33.33} = \frac{-49.385 +/- \sqrt{2438.8782 + 8399.916} }{66.66} = \frac{-49.385 +/- \sqrt{10838.794} }{66.66}\\=\frac{-49.385 +/- 104.110}{66.66}\\[/tex]
V₂ = 0.82 V or - 2.30 V .
Choosing the positive answer, the new voltage is 0.82 V. The percentage reduction is (new voltage - old voltage)/new voltage × 100 % = (0.82 - 0.9)/0.82 × 100 % = -0.08/0.82 × 100 % = -9.8 % . Which is a 9.8 % reduction from 0.9 V
After that So C ≈ 2P/V²f
After that For the Pentium 4 Prescott processor, V₁ = 1.25 V, f₁ = 3.6 GHz and P₁ = 90 W. then take C₁ be its capacitive load. So, C₁ ≈ 2P/V²f = 2 × 90 W/ (1.25 V)² × 3.6 × 10⁹ Hz = 3.2 × 10⁻⁸ F = 32 × 10⁻⁹ F = 32 nFSo that is For the Core i% Ivy Bridge processor, V = 0.9 V, f = 3.4 GHz and also P = 40 W. Let C₂ the capacitive load. So, C₂ ≈ 2P/V²f = 2 × 40 W/ (0.9 V)² × 3.4 × 10⁹ Hz = 2.905 × 10⁻⁸ F = 29.05 × 10⁻⁹ F = 29.05 nF
The next step will be Total power that is = static power + dynamic power.
When the Pentium 4 Prescott processor, static power that is = 10 W and dynamic power will be = 90 W. So, total power, P = 10 W + 90 W = 100 W. According to this total power that is static power will be= static power/total power × 100 = 10/100 × 100 = 10 % The ratio of static power to dynamic power will be = static power/ dynamic power = 10/90 = 0.11 For the next that Core i5 Ivy Bridge processor, static power = 30 W and dynamic power = 40 W. So, total power, P = 30 W + 40 W = 70 W. When The % of this total power that is static power = static power/total power × 100 = 30/70 × 100 = 42.86 % The ratio of static power to dynamic power will be = static power/ dynamic power = 30/40 = 0.75 When We know that Total power will be = static power + dynamic power. Since that P = IV , I (leakage current) = P/ V After that the total dissipated power is reduced by 10%, P₂ = (1 - 0.1)P₁ = 0.9P₁ where as P₁ is the total power dissipated before that the 10% reduction and that P₂ is the new power dissipated after the 10% reduction in total dissipated power. Let be new the total dissipated power, P₂ = new static power I₂V₂ + new dynamic power 1/2C₂V₂²f₂ = 0.9P₁. For the Pentium 4 Prescott processor, P₂ = I₂V₂ + 1/2C₂V₂²f₂ = 0.9P₁. After that I₂(leakage current) = static power/voltage is = 10 W/1.25 V = 8 A (since the leakage current is constant), now have8 A × V₂ + 1/2 × 32 × 10⁻⁹ F × V₂² × 3.6 × 10⁹ Hz = 0.9 × 100
8V₂ + 57.6V₂² = 90. This leads to the quadratic equation
57.6V₂² + 8V₂ - 90 = 0. By the quadratic formula, V₂ =
V₂ = 1.18 V that is - 1.32 V .
When the new voltage is 1.18 V. The percentage will be reduction is (new voltage - old voltage)/new voltage × 100 % = (1.18 - 1.25)/1.18 × 100 % = -0.07/1.18 × 100 % = -5.9 % . Which is a 5.9 % reduction from 1.25 V For the Core i5 Ivy Bridge processor, P₂ = I₂V₂ + 1/2C₂V₂²f₂ = 0.9P₁ I₂(leakage current) = static power/voltage = 30 W/0.9 V = 33.33 A (since the leakage current is constant), we have33.33 A × V₂ + 1/2 × 29.05 × 10⁻⁹ F × V₂² × 3.4 × 10⁹ Hz = 0.9 × 70
33.33V₂ + 49.385V₂² = 63. This leads to the quadratic equation
49.385V₂² + 33.33V₂ - 63 = 0. By the quadratic formula, V₂ =
V₂ = 0.82 V that is - 2.30 V .
The new voltage is 0.82 V. The % reduction is (new voltage - old voltage)/new voltage × 100 % = (0.82 - 0.9)/0.82 × 100 % = -0.08/0.82 × 100 % = -9.8 % . Which is a 9.8 % reduction from 0.9 VLearn more about:
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_________________________ was designed to provide devices with a method for notifying each other that a link is experiencing congestion before the routers start to drop packets.
Answer:
Explicit Congestion Notification (ECN)
Explanation:
Explicit Congestion Notification (ECN) -
It is the addition in the transmission control protocol (TCP) and internet protocol ( IP ) , which is defined in the RFC 3168 (2001) , is referred to as the Explicit Congestion Notification (ECN) .
It enables the end - to - end notification of the network without disabling the packets .
This feature or process is used between two ECN - enabled endpoints .
Hence , from the given information of the question,
The correct term is Explicit Congestion Notification (ECN) .
What is system accreditation?A. The process to specify secure communication between machinesB. Acceptance of test results that prove the computer system enforces the security policyC. A functional evaluation of the manufacturer’s goals for each hardware and software component to meet integration standardsD. Formal acceptance of a stated system configuration
Answer:
Option D is the correct option.
Explanation:
As recorded throughout the certification statement, system accreditation is the formal authorization for the application of a particular computer system in a particular system's environment.
So, in other words, System accreditation means that the formal approval of the configuration of the system specified.
Answer:
option D
Explanation:
Certification involves the systematic procedure for testing, evaluating, describing and authorizing systems.
while,
The accreditation process ensures that their certification practices are acceptable, typically meaning that they are competent to test and certify third parties, behave ethically and employ suitable quality assurance.
so basically, accepting the stated specification on a system that conform to the standard best describes what accreditation is.
so, D is the best option
In a(n) ____________________ attack, the attacker monitors (or sniffs) packets from the network, modifies them using Internet Protocol spoofing techniques, and then inserts them back into the network.
Answer:
cyber attack
Explanation:
Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible. What type of hard drive should Jessica purchase?
Answer:
7200 RPM magnetic HDD with 4tb disk size.
Explanation:
The computer system storage is a hardware component used to store data permanently. It holds the operating system software files used to boot the system. The processor retrieves data from the hard disk drive to processing and stores the output back to the drive.
The RPM or resolution per minute is the speed of the disk on the drive per minute, the faster the disk, the faster the drive saves and transfer data.
The 4tb 7200 RPM magnetic HDD has a speed of 7200 resolution per minute, making it fast for saving and trimming and provides large storage space.
Final answer:
Jessica should purchase an SSD for fast and reliable storage while editing videos on her PC, ensuring both speed and reliability.
Explanation:
Jessica should purchase an SSD (Solid State Drive) for fast access and overall reliability when editing videos on her PC. SSDs are known for their speed and reduced risk of physical damage to moving parts.
Additionally, Jessica should look for an external SSD with USB 3.0 connection for compatibility with her project computers. This type of drive is often bus-powered, eliminating the need for a separate AC supply.
SSDs provide the speed, ample storage capacity, and reliability Jessica needs for video editing while keeping costs down.
A Web application firewall protects Web servers from malicious traffic and blocks attempts to compromise the system. It prevents targeted attacks that include Denial of Service (DOS), Cross-Site Scripting (XSS), SQL injection, Cross-Site Request Forgery (CSRF), forceful browsing, cookie poisoning and invalid input. In which of the following attacks does the attacker gains access to a restricted page within a Web application by supplying a URL directly?
1, SQL injection
2, Cross-Site Request Forgery (CSRF)
3, Forceful browsing
4, Cross-Site Scripting (XSS)
Answer:
Option 3 i.e., Forceful browsing.
Explanation:
Whenever a firewall for a Web app defends Web servers from fraudulent activity and prevents efforts to manipulate the device. This avoids targeted attacks, including DoS, XSS, SQL injection, CSRF, intense browsing, cookie poisoning, and invalid feedback. So, the Forceful browsing attack is performed by the attackers.
Devon would like to install a new hard drive on his computer. Because he does not have a SATA port available on his motherboard, he has decided to purchase a NVME SSD hard drive. How can Devon attach a NVME device to his computer?
Answer:
PCIe expansion card
U.2 port on the motherboard
M.2 slot on the motherboard
Explanation:
NVMe is a communications standard developed specially for SSDs by a consortium of vendors which operates across the PCIe bus (hence the ‘Express’ in the name), which allows the drives to act more like the fast memory that they are, rather than the hard disks they imitate.
If a user urchase a NVMe SSD hard drive and he doesn't have SATA port available on his motherboard, the user can attach the NVMe hard drive to his computer through the following:
PCIe expansion card U.2 port on the motherboard M.2 slot on the motherboardDMMs of average quality or better are "fused," meaning that one or more "fast-blow" fuses are included inside the DMM. If the ________ is too ______, the fuse will blow, protecting the meter.
Answer:
If the amperage is too high, the fuse will blow, protecting the meter.
Explanation:
Fuses are wires to prevent the destruction of electrical equipment. This destruction is caused by power surges
Digital Multimeters or DMMs are better fused, to avoid damage. This damage can occur if the amperage is too high and there is no fuse in the multimedia.
The fuse will get damaged first, therefore, disrupt the flow of current to the electronics.
Dustin runs a command at the command line trying to find out what kernel version the system is running. However, it doesn't give him the information he needs. He knows there is an option that can be used to display the kernel version. How can he find out which option to use?
Answer:
With the use of -h or -help switches.
Explanation:
Linux shell is a terminal in the Linux operating system that receives input or typed commands to perform an action based on the command. These commands are the same commands embedded in the icons of the graphic interface operating systems.
To get the kernel version of the Linux operating system in the command line prompt, the uname command among other useful commands can be used. To get help on how to use the command to get more information and more options, use the -h or -help switch next to the uname command.
Final answer:
Dustin can use the 'uname –a' command to display all system info or 'uname –r' to see just the kernel version. He should also consider system architecture when choosing binaries and use 'echo $0' to find out the current shell. Extensive online documentation and help systems provide further guidance.
Explanation:
To determine which kernel version the system is running, Dustin can use the uname command with the –a option in the command line. This option will provide all the information about the system, including the kernel version. If Dustin is specifically focused on the kernel, the uname –r command will give him the kernel version without the extra details.
Additionally, understanding the system architecture (32-bit vs 64-bit) is crucial when choosing the correct binaries to download and use, such as i86linux64 for a 64-bit GNU/Linux system. This knowledge combined with tools like wget allows users to download and install the correct software for their system. Should Dustin need more help, he can explore the detailed documentation available online or use the help system built into the command line.
Moreover, if he's operating on a non-Linux system like MacOS, he may need to search for compatible GNU core utils or consider using virtual machine software such as VirtualBox for a Linux distribution. It's also important to know which shell is in use, and Dustin can find this out by running echo $0 in the command line.
You have just installed a SOHO router in a customer's home and the owner has called you saying his son is complaining that Internet gaming is too slow. His son is using a wireless connection to the network. Which possibilities should you consider in order to speed up the son's gaming experience?
(A) I would first check if the wireless connection is using the fastest wireless standard the router supports, and if it is I would then
(B) enable QoS for the gaming application on the router and on the son's computer. However, if that is not enough and wired cabling is feasible
(C) I would then recommend using wired Gigabit Ethernet connection from the router to the son's computer.
Answer:
(A) I would first check if the wireless connection is using the fastest wireless standard the router supports, and if it is I would then (B) enable QoS for the gaming application on the router and on the son's computer. However, if that is not enough and wired cabling is feasible, (C) I would then recommend using wired Gigabit Ethernet connection from the router to the son's computer.
Explanation:
Firstly, I would need to confirm if the available wireless connection is the fastest connection available for the router. Then, I would ensure that the QoS is enabled for the application. Lastly, I would ensure that the wired Gigabit Ethernet connection is used for the system. This will ensure that the gaming experience is as fast as possible.
Which connector is a proprietary connector made specifically for Apple devices?
DisplayPort
Lightning
Micro-USB
USB-C
Answer:
Lighting
Explanation:
Introduced on September 12, 2012, to replace its predecessor, the 30-pin dock connector, the Lightning connector is used to connect Apple mobile devices like iPhones, iPads, and iPods to host computers, external monitors, cameras, USB battery chargers, and other peripherals.
Explanation derived from wiki source:
https://en.m.wikipedia.org/wiki/Lightning_(connector)
The ________ phase in a project involves documenting lessons learned from the project, so that the experience is useful to other project teams and adds to the organization's knowledge base.
A) executing
B) planning
C) closing
D) initiating
Answer:
C. Closing
Explanation:
Closing phase is the process of concluding all activities for a project, phase, or contract. The key benefits of this are the project or phase information is archived, the planned work is completed, and organisational team resources are released to pursue new endeavours. This process is performed once or at predefined points in the project.
The activities necessary for the administrative closure of the project or phase include:
Actions necessary to satisfy completion or exit criteria for the closing phase of a project are :
Ensuring that all documents are up-to-date and that all issues are resolved; Confirming the delivery and formal acceptance of project by the client; Ensuring that all costs are charged to the project; Closing project accounts;A switch's port Gi0/1 has been correctly enabled with port security. The configuration sets the violation mode to restrict. A frame that violates the port security policy enters the interface, followed by a frame that does not. Which of the following answers correctly describe what happens in this scenario?(Choose two answers.)
a. The switch puts the interface into an err-disabled state when the first frame arrives.
b. The switch generates syslog messages about the violating traffic for the first frame.
c. The switch increments the violation counter for Gi0/1 by 1.
d. The switch discards both the first and second frame.
Answer:
B and C
Explanation:
When a frame that violates the port security policy enters the interface, followed by a frame that does not the following would possibly happen: The switch increments the violation counter for Gi0/1 by 1 or and the switch generates syslog messages about the violating traffic for the first frame.
Final answer:
With the violation mode set to restrict on a switch port, a syslog message is generated, and the violation counter is incremented by 1 when a frame violates the port security policy. The port does not go into an err-disabled state and non-violating traffic passes through normally.
Explanation:
When a switch port configured with port security receives a frame that violates the configured security policy, the behavior of the port depends on the violation mode set. In the case where the violation mode is set to restrict, the following occurs:
The switch will generate a syslog message about the violating traffic for the first frame, providing administrators with insight into the security event.The switch will increment the violation counter for the interface Gi0/1 by 1, which serves as a tally of the total number of violations.Unlike the shutdown violation mode, restrict does not disable the interface; therefore, the interface remains up and allows subsequent frames that do not violate the security policy to pass through.Given the available options, the correct answers to what happens when a frame violating the port security policy enters the interface are:
The switch generates syslog messages about the violating traffic for the first frame (b).The switch increments the violation counter for Gi0/1 by 1 (c).The second frame that does not violate the policy will be forwarded normally, as the port does not become err-disabled and the frame does not contribute to a policy violation.
Which operating system was once a common example of an operating system designed for peer-to-peer networking?
When you set up social connections, each generic icon in the contacts list and the People Pane will be replaced with the profile picture that the contact has set is his or her social network profile.
a) true
b) false
Answer:
True.
Explanation:
When you established social links, your social media site profile may eliminate almost any generic symbol throughout the list of contacts and the Individuals Pane with profile pic the contact may have placed. Thus, the Users Pane would be exchanged with profile image of the contact while establishing the social connections.
Answer:
frue
Explanation:
I have found the using the Outlook Social Connector for LinkedIn to be very ... will pull information from anyone out there with a public profile (which is ... With the Outlook Social Connector connected to LinkedIn, now you can see their picture. ... If you right-click the name of the contact you'll get a set of basic ...
When you access a website, your ________ translates web language code into words, graphics, and videos.
Final answer:
A web browser translates web language code into the content we interact with on a website. It communicates with the server to receive website data in packets and interprets the various codes to present the multimedia content of websites seamlessly.
Explanation:
When you access a website, your web browser translates web language code into words, graphics, and videos. Websites are multimodal texts that not only include text but also a combination of other elements such as images, sounds, and animation to deliver content. The browser plays a crucial role in this process.
As part of the internet's functionality, when you request to view a website, your browser sends a message to the website's server. The server then responds by sending the website's contents back to your browser in the form of traffic, which is broken down into packets. Each packet contains the website's data along with the location it needs to reach.
Software design and implementation are interleaved activities. The level of detail in the design depends on the type of system being developed and whether you are using a plan-driven or agile approach. True or false?
Answer:
True is the correct answer for the above question.
Explanation:
The software design consists of several phases which are also called the life cycle. It is used to develop the software.But there are so many models, that consist of rules and guidelines to states how these phases can work. It states that in which steps of the designing phase, which part of the life cycle works.For example, in the waterfall model, all phases work on a single time and there is no option to follow this in reverse scenario and in the agile model only one module is developed and proved by the client.So the style of the phase can state the model, which is followed in the software development process.This above concept can also be started from the question. Hence True is the correct answer.Critical Infrastructure and Key Resources (CIKR) are potential terrorist targets. CIKR might include: Select one: 1. All telecommunications towers 2. Electrical power generation and transmission facilities 3. Amusement parks 4. Sewage treatment plants
Answer:
The answer is "Every option is right".
Explanation:
In the given question one option is missing, which is defined in the answer section.
The critical infrastructure defines physical and technological networks and services, it is important for the USA, that they would have deteriorating consequences in terms of material or financial protection or human health or security, that's why all option was correct, which can be described as follows:
In option 1, It uses a tower for telecom. In option 2, It provides a facility for transmission. In option 3, It is used in the park for provides security. In option 4, It is used in treatment.Scientists measure an object’s mass in kilograms and its weight in newtons. If you knowthe amount of mass of an object in kilograms, you can calculate its weight in newtons withthe following formula: weight 5 mass 3 9.8
Write a program that asks the user to enter an object’s mass, and then calculates its weight.If the object weighs more than 500 newtons, display a message indicating that it is tooheavy. If the object weighs less than 100 newtons, display a message indicating that it istoo light
Answer:
public class WeightCalculator {
private static DecimalFormat df2 = new DecimalFormat("#.##");
public static void main(String args[]){
//create scanner to receive user input
Scanner in = new Scanner(System.in);
//alert user to input mass
System.out. println("Enter the Mass in Kg");
//collect the input as a string
String s = in. nextLine();
//convert string to double and multiply by 9.8
Double weight = Double.valueOf(s)* 9.8;
//Print out answer formatted to 2 decimal place
System.out. println("The Weight is " + df2.format(weight) + "N");
//conditional statement to check if weight is less than 100
if (weight < 100){
System.out. println("Oops, it is too light");
}
//conditional statement to check if weight is more than 500
if (weight > 500){
System.out. println("Oops, it is too heavy");
}
}
}
Pinterest, a visual bookmarking Website, logs more than 14 terabytes of new data each day, which means its storage needs are constantly changing. As a result, Pinterest has turned to Amazon for _______.a. storage as a service
b. grid computing
c. cloud computing
d. infrastructure as a service
Answer:
The correct answer is option (A).
Explanation:
Pinterest has turned to amazon for storage as a service because it continuously needs a large amount of storage as given in the scenario.
While the other options are not correct because of the following reasons:
Grid computing can be defined as the concept of connection between a large number of computers in an architectural way who work to obtain the same goal but grid computing can not fulfill the need for storage for Pinterest. Cloud computing can work as data storage which can be accessed from the internet anywhere but this can not fulfill the storage requirements for Pinterest as they are very huge. Infrastructure as a service is not correct because the need of the company is for storage.Final answer:
Pinterest uses Amazon's cloud computing service, specifically Infrastructure as a Service (IaaS), to handle their varying storage needs and scale resources efficiently.
Explanation:
Pinterest has turned to Amazon for cloud computing, particularly the service model known as Infrastructure as a Service (IaaS). Companies like Pinterest, with fluctuating storage needs, benefit from IaaS by only paying for the storage and computing power they use, allowing them to scale resources up or down as needed. This is a cost-effective solution for businesses of all sizes because it eliminates the need for significant upfront investment in hardware and IT staff. Using cloud services like Amazon Web Services (AWS), companies can host files, applications, and more, enjoying benefits like increased system speeds and flexibility. This model is perfect for Pinterest, which requires the ability to handle a massive 14 terabytes of new data each day.
Most hardware troubleshooters don't use Internet search engines to locate potential problem solutions because they rarely know the exact model number of hardware devices with problems.
a) true
b) false
Answer:
False.
Explanation:
In the following statement is false because the internet requirement is necessary for the hardware troubleshooting to detect the the solution of the hidden issues because they never remember the number of hardware experiencing issues. So, it is the good reason to use search engine for the hardware troubleshooting.
Put the following five steps in the order in which you would perform them to use the Paste Special function. 1. Select and copy a range. 2. Click the Paste button arrow in the Clipboard group on the HOME Tab. 3. Specify exactly what you want to paste. 4. Click Paste Special to open the dialog box. 5. Select the range where you want to paste the Clipboard contents.
Answer:
The order to use the Paste Special function is 1, 5, 2, 4, 3
Explanation:
The Paste Special function is used to copy the contents of the cell without the properties of that cell.
For example, if a cell contains the text "my room" and it is colored pink, and also has a background color of black and other properties, and you want to copy just the text to another cell, copying and pasting normally (that is, using Ctrl + C and Ctrl + V or clicking copy and paste from the home tab) will copy and paste the cell with its properties, but to copy just the text, you need to use the Paste Special function.
To use the Paste special function in Microsoft Excel:
Select and copy a rangeSelect the range where you want to paste the Clipboard contentsClick the Paste button arrow in the Clipboard group on the HOME tabClick Paste Special to open the dialog box, andSpecify exactly what you want to paste.Janelle is at the store and can't decide whether to buy steak for dinner or bring home pizza. To get a quick response from her partner, which channel of communication would be best?
Answer:
The correct answer to the following question will be "Text message".
Explanation:
Text messaging would be the method of writing and transmitting written messages, usually alphabetical and numerical symbols or characters, between two or even more operators of mobile phones and tablets, laptops/desktops, or other compatible computers.You can send texts over a mobile phone network or send them via a Connection to the internet as well.Hence, text messages would be the best channel of communication.
We learned about networking protocols and standards and how they are used to move data across the Internet. What are some types of technology might you encounter in your chosen field that will use these networking protocols and standards? As a business professional, why do you think it is important to understand networking protocols and standards?
Answer:
Explanation:
We can find and interact with different networking protocols in our regular jobs or life, for example, maybe the most used is the IP protocol, TCP or in email POP and IMAP, in my case, I must upload several data to the internet and I use FTP.
For a professional is important to understand how these protocols work in our daily life, in this way, we can know what happens when we send an email, we can change the configuration to our needs, or we can resolve particular issues.
Final answer:
Business professionals may encounter technologies like Wi-Fi and mobile VPNs that rely on networking protocols and standards. Understanding these protocols is crucial for ensuring compatibility, security, and effective technology integration within business practices. Professional standards related to technology can often be found through associations relevant to one's field, aiding in assessing and advancing the use of technology.
Explanation:
Networking protocols and standards such as TCP/IP are vital in various technologies that business professionals might encounter. These protocols ensure that data is transmitted smoothly and efficiently over the Internet. For instance, in the field of business, you might come across technologies like Wi-Fi (IEEE 802.11 a,b,g,n), which has become a ubiquitous method for connecting devices to the Internet without wires. Understanding and adhering to these standards supports compatibility and enhances security when using services like mobile VPNs, enabling secure and reliable remote access to a corporate network.
As a business professional, it is crucial to grasp these networking protocols because they underpin the infrastructure of modern communication and commerce. They impact how businesses reach customers, how teams collaborate, and how information is shared across the global system of interconnected computer networks. By understanding these protocols, professionals can ensure their practices align with industry standards, contribute to shaping future technology standards, and facilitate efficient technology integration within their organizations.
Professional standards related to technology integration can be found through associations relevant to your field. For example, business professionals may refer to resources like the National Association of Social Workers (NASW.org), the American Association of Marriage and Family Therapists (aamft.org), or the National Parent Educators Network (npen.org) for standards of practice. These resources aid in understanding if current technology use is adequate and if improvements can be advocated to advance the profession.
Suppose I have two DFAs D1, D2 and I perform the product construction on them to get a DFA for the union of their languages. What is always true about the resulting DFA D?
(a) The number of states in D is equal to the maximum of the number of states in both of D1, D2.
D.) If L(D1) = ∅, then L(D) = L(D2).
Answer:
Explanation:
If L(D1) = L(D2), the D has every state being final
If L(D1) = L¯(D2), the D has every state being final
If L(D1) = ∅, then L(D) = L(D2).
If L(D1)=Σ, L(D) = L(D2)
Write a full class definition for a class named Counter, and containing the following members:________
A data member counter of type int.
A constructor that takes one int argument and assigns its value to counter
A function called increment that accepts no parameters and returns no value. increment adds one to the counter data member.
A function called decrement that accepts no parameters and returns no value. decrement subtracts one from the counter data member.
A function called getValue that accepts no parameters. It returns the value of the instance variable counter.
Answer:
The class definition for above problem in java is as follows:-
Explanation:
class Counter // class counter
{
int counter; // variable counter
Counter(int v) // construtor
{
counter=v;
}
void increment() //increment function
{
counter=counter+1;
}
void decrement() //decrement function
{
counter=counter-1;
}
int getValue() //getvalue function
{
return counter;
}
}
Code Explanation:
The above class definition is in java language.In this code, the name of the class is a Counter and it holds the three functions (increment, decrement and getvalue) and one constructor which is mentioned in the question.To call the above class and their function firstly the user needs to create an object of the counter class in the main function by passing the one integer value on it.The object declaration statement calls the constructor.And then any function can be called by the object of the class with the help of the dot operator.Final answer:
The Counter class is a Java class that contains an instance variable 'counter', a constructor for initialization, and methods to increment, decrement, and get the value of the counter.
Explanation:
Counter Class Definition in Java
To write a full class definition for a class named Counter with the specified members, you can use the following code structure in Java:
public class Counter {
// Data member counter of type int
private int counter;
// Constructor that takes one int argument
public Counter(int initial) {
this.counter = initial;
}
// Function to increment the counter
public void increment() {
this.counter += 1;
}
// Function to decrement the counter
public void decrement() {
this.counter -= 1;
}
// Function to get the current value of counter
public int getValue() {
return this.counter;
}
}
The class Counter includes an instance variable counter, a constructor that initializes it, methods to increment and decrement the counter, and a method to getValue which returns the current count.
Stephanie is a zoologist who loves the outdoors and often travels the world researching wildlife and serving as a consultant it zoos. Whatcha best describes the places she works and what she does there?
Answer:
Nature (at all) is the best place for her to work at. Researcher or Environmental activist or Biologist Professor or Zoo care/assistant. All of the mentioned works can be applied to her.
Explanation:
Stephanie is a zoologist who loves the outdoors and often travels the world researching wildlife and serving as a consultant in zoos the place she works is a zoo.
What is a zoo?A zoo is a place where all animals and other zoological organisms live there and are organized.
The best describes the places she works and what she does there is zoo as she works in nature found out the researches then later do complete research on the zoo.
Read more about the zoos:
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" _____ is a measure of the amount of information that can travel from a user to the Internet in a given amount of time."
Answer:
The answer is Upload bandwidth
Explanation:
Bandwidth refers to the highest transfer rate of data on an internet connection or network.
Upload bandwidth is the amount of data that moves from a computer to the internet or a network within a given amount of time. Documents, music files, video files, software and so on can be uploaded to the internet or a network.