Answer:
d. printer speed is measured in the number of words printed per minute
Explanation:
a. Printer resolution is measured in dots per inch. So a. is true. Dots per inch means number of ink dots that are printed on the paper by a printer. Higher resolution means better image that is printed.
b. Hard copy also called a print out is the information in the computer which is printed on the paper by a printer. So b. is also true.
c. A printer has memory which is used to store information about the print jobs, print logs, scans. Print jobs are basically the documents which are to be printed these jobs are removed from memory after the printing task is done. So c is also true.
d. Printer speed is measured in pages printer per minute instead of number of words printed per minutes so option d. is incorrect. For example a laser printer can print up to 20 pages of text per minute.
Which of the following statements is false?
A) Smart-phones do not contain a CPU.
B) Smart-phones are considered a type of computer.
C) Not all cell phones are smart-phones.
D) Smart-phones generally have less computing power than desktop computers
Answer:
A. Smart-phones do not contain a CPU.
Explanation:
A smart phone is an electronic gadget or device used to make calls and has other activities that can be done based on the application and it's operating system. The smartphone is a types of computer, because a few low computational activities like emails, word documents, internet browsing etc, can be done on the go.
A typical cell phone is not a smartphone, it is only used for making calls.
Just like a computer system, all electronic devices have a CPU or processor including smartphones.
Smart-phones do not contain a CPU. Therefore, option A is the correct answer.
A smart phone is an electronic gadget or device used to make calls and has other activities that can be done based on the application and it's operating system. The smartphone is a types of computer, because a few low computational activities like emails, word documents, internet browsing etc, can be done on the go.
The CPU, which houses all the circuitry required to process input, store data, and output results, is the brain of a computer.
The CPU is constantly executing computer programmes that give it instructions on which data to process and in what order. We couldn't use a computer to run programmes without a CPU.
Therefore, option A is the correct answer.
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technology might not possess emotional intelligence but it can certainly influence ours. how have technological changes affected what we value, think, want, believe?
Answer:
Explanation:
Technology and the internet have changed the world, help us to build and communicated with people around the world, there are relationships only on the internet, we could be depressed if only see influencers every day, or scare with fake news, is a powerful tool can transmit hate, happiness or satisfaction.
The general idea behind many social networking sites is that people are invited to join by existing members who think they would be valuable additions to the community.True or False.
Answer:
Option: True
Explanation:
Many social networking sites are virtual community where people who share common interest interact with each other in a digital platform. However, not all people will automatically be accepted into the community group in many of those social networking sites. Participation in community group in some social networking sites are based on invitation by existing members who think they can be valuable to the community.
__________________________________is a measure that quantifies how much information can be transmitted over the network.A.MemoryB.DMZC.Cloud StorageD.Bandwidth
Answer:
D.Bandwidth
Explanation:
Bandwidth is the maximum rate at which data can be transferred between points on a network or Internet connection.
It is a measure of how much data or information can be transmitted over a network at a point in time.
Memory deals with storage capacity while cloud storage deals with the storing data in a pool.
DMZ is a physical network connecting the external services of an entity to an untrusted network.
Option D is right.
When organizations record versions of their policy in English and alternate languages, they are attempting to meet the ____ criteria to make the policy effective and legally enforceable.
A. Comprehension.
B. Compliance.
C. Review.
D. Dissemination.
Answer:
C. Review.
Explanation:
Company policy are rules and regulations constructed by a legal team of a company that must be adhere to by all employees and users of the company's services.
There are five requirements for a policy to become enforceable. They are, dissemination, review, comprehension,compliance and uniform enforcement.
Dissemination has to do with the communication of the policy for review. Review is the process that creates alternative language copies of the policy for non English speakers. Compliance is the confirmation of agreement by the employees and comprehension verifies that the policies are understood. Uniform enforcement is a confirmation that the policy has been uniformly enforced on all in the company.
Let's assume that you wrote a query that has the following four clauses: SELECT, FROM, WHERE, ORDER BY. The order in which the four SQL query clauses are executed is _____ _____ _____ _____. (separate your answers by commas.)
Answer:
"From, where, select ,order by" is the correct answer for the above question.
Explanation:
When a user creates a query in comparison of "SELECT, FROM, WHERE ORDER BY", then the query will execute in the "From, where, select, order by" order.Firstly form clause will execute because it holds the name of the table which defined the address of the data which needs to fetch.Then the where clause will execute which is used to filter the data. It states the correct location of the data in the table.Then the select clause is executed because it works to fetch the data and gives the output to the user.Then the order by clause is executed because it states the data in ascending or descending order.
2. Write a program that checks for a secure password. It
· Has documentation.
· Gets the password inputted by the user.
· Stores the password in an appropriately named variable.
· Checks if the password is “1234”, “1111” or “2222”. If it is, print “User secure.”
· Otherwise, print out “Please input a more secure password.”
Answer:
#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
int password;
cout << "Enter the password = ";
cin>>password;
if (password==1234 || password==1111 || password == 2222)
{
cout <<"User Secure";
}
else
cout<<"Please input more secure password";
getch();
}
Explanation:
In this program, a variable of integer data type is stored in password variable. This variable compares with all three values in if statement by using OR(||) operator.
Corporate VoIP falls into 3 categories. Which category uses gatekeepers as opposed to gateways? A) Digital IP at the ends, analog in the middle B) Analog to digital to digital C) Digital IP end to end D) Analog at the ends, digital IP in the middle
Answer:
for VoIP falls in Digital IP end to end categories
Explanation:
Normally to address the VoIP solution the phone or PABX should be the only digital module. All the telephone extensions are connected to switch and from the switch, it should be connected to the digital module in PABX. If existing PABX is analog then end-user has to purchase digital module
conversion to attach to analog PABX
Then switch which should be managed switch for better performance. Suppose it we use the switch as an unmanaged switch then the performance of VoIP will be very less effective. Since VoIP is used for internet purpose also better to use end to end digital mode.
You have just deployed SNMPv3 in your environment. Your manager asks you to make sure that your SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMP agents to satisfy this request?
A. Routng Filter with the SNMP managers in it applied out-bound.
B. A SNMP View containing the SNMP managers.
C. A standard ACL containing the SNMP managers applied to the SNMP confguration.
D. A SNMP Group conatining the SNMP managers.
Answer:
Option D
Explanation:
SNMPV3 requires setup of users and groups for secured access authentication with SNMP Manager and the remote host enginID of the SNMPV3 is required.
Answer:
D. A SNMP group containing the SNMP managers.
Explanation:
The SNMP or simple network management protocol is an application layer protocol used for monitoring and information management purposes between network devices. It is part of the TCP/IP suite protocols.
The components of the SNMP are, the SNMP manager, SNMP agent, managed devices and management information database.
The SNMP manager queries and request for information from the SNMP agent, while the agents are programs that collects management information base from the managed devices which are the network devices.
For the SNMP agent to speak only to the managers, SNMP group containing the SNMP managers must be configured.
Given the following class, what would be the best declaration for a mutator function that allows the user of the class to change the age?
class Wine
{
public:
Wine();
int getAge();
float getCost();
private:
int age;
float cost;
}
a. int getAge(int newAge);
b. Wine();
c. void setAge();
d. void setAge(int newAge);
Answer:
Option D void setAge(int newAge);
Explanation:
In object oriented programming, mutator method is defined to change the value of the data member(s) in the class. Since the mutator method is aimed to change the value of a class data member, it is required to take in one new value as parameter to overwrite the existing value of data member. The mutator doesn't return any output. Hence, the best declaration for a mutator method to change the age is
void setAge(int newAge);
The new value of age is passed to parameter newAge and the void means the method doesn't return any value as output.
A mutator process is chosen in the OOP language and can modify the value of a class's data member(s). In this question, the mutator function is intended to modify the number of a class data function that accepts a new value as an argument to overwriting the data member's current value.
There is no output from the mutator, and as a result, the ideal declaration of e mutator function that alters the age is "void setAge(int newAge);".A new age value is supplied to the newAge parameter, and the void indicates that the procedure does not return any value as output.Therefore, the final answer is "Option D".Learn more:
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Why does my Office Computer send packet #1? What device responds by sending back packet #2? What information does my Office Computer learn from packet #2?
Answer:
The office computer is part of a network.
The server responds with a packet when a request packet is sent by a client.
The computer confirms the IP address and port number to retrieve the encapsulated data, for a specific application in the system.
Explanation:
The computer network is the communication of two or more devices. There are two forms of network, there are peer to peer and client/server networks.
The peer to peer network allows for each computer to send and receive data, while the client/server network have a dedicated server to send resources to clients that request for it. Data transferred are encapsulated in the network, transport and data-link layer PDU headers and would be decided in the destination system to retrieve the data.
This______ ensures that messages, consisting of sequentially numbered pieces called bytes, were properly routed from sender to receiver, arrived intact and were assembled in the correct order
Answer:
The correct answer to the following question will be "TCP ".
Explanation:
TCP, is a specification that specifies how to set up and maintain a network connection via which computer programs can share the data. It functions with IP, which describes how computer systems send packets of data to one another.It's a set of routing protocols used to connect network devices to the Network.It could also be used as just a protocol stack on a local network (extranet or an internet).Therefore, TCP is the right answer.
Ethics issues are significant in the area of online privacy because laws have not kept pace with the growth of the Internet and the Web.
Answer:
The answer is "True"
Explanation:
In the given statement some information is missing that is "True or false"
Internet security is the scope of the privacy and security of the electronic exchange of data. It's a common term that refers to something like many factors, technologies, and technology used to protect records, contact, and interests, confidential and private.
The security of the Internet is recognized as the privacy of the User. It is secure and unique passphrases or two-factor authentication.Select the information protection item that ensures that information is correct and that no unauthorized person or malicious software has altered that data.
Answer:
Integrity
Explanation:
Integrity: It is the basic information protection technique which ensures that the information is correct and that no unauthorized person or malicious software has altered that information.
The Government Information Security Reform Act (Security Reform Act) of 2000 focuses on management and evaluation of the security of unclassified and national security systems.
Answer:
True
Explanation:
In the above scenario about the Government Information Security Reform Act of 2000 is that concentrates on maintaining and evaluating an unidentified and homeland security programs. In other words, It concentrates on the Rights Division for the peoples of the nation by maintaining and protecting the security for the systems of their homelands.
You are in the process of replacing the toner cartrige for a laser printer. however, you notice that toner particles have been split inside the printer. what should you use to effectively remove these particles?
Answer:
Toner vacuum
Explanation:
In the process of replacing the toner cartrige for a laser printer, whenever you notice that toner particles have been split inside the printer, what you should use to effectively remove these particles is a TONER VACUUM, it is a device specially created for that purpose, after using a toner vacuum, you can use the activated toner clothe to clean the rest, after which I will advise you to use an aerosol spry to get the best result.
1.2.2: Output variable value. Jump to level 1 Write a statement that outputs variable userAge. End with a newline. 1 2 3 4 5 6 7 8 9 10 11 12 #include using namespace std; int main() { int userAge; cin >> userAge; // Program will be tested with values: 15, 40. /* Your code goes here */ return 0; } 1 2 Check Next 1 2
Final answer:
To display the value of userAge, use cout followed by the insertion operator and a newline character.
Explanation:
To output the value of the variable userAge, you need to use the cout statement in C++. The code to output userAge followed by a newline is:
cout << userAge << '\n';This line of code uses the insertion operator (<<) to send the value of userAge to the standard output (usually the screen), followed by an escaped newline character (\n) to end the line.
Final answer:
In a C++ program, use 'cout << userAge << endl;' to output the value of the variable userAge and end with a newline.
Explanation:
Writing a code snippet in C++ to output the value of a variable named userAge. The code given is part of a simple C++ program which reads an integer value into userAge from the standard input and requires the student to write the missing statement that prints this value followed by a newline.
To achieve this, you should write the following line of code where the comment indicates:
cout << userAge << endl;
This code uses the cout stream to output the value of userAge to the console, and the endl manipulator to insert a newline character, which also flushes the output buffer.
_______ imaging technology defines locations in the brain where neurons are especially active using safe radioactive isotopes to measure the metabolism of brain cells.
Answer:
Positron Emission Tomography (PET)
Explanation:
Answer:
PET(Positron Emission Tomography)
Explanation:
Positron Emission Tomography is an imaging technology that scans the body to check for diseases. It uses procedures of nuclear medicine and certain biochemical analysis. It can identify locations in the brain where neurons are especially active using safe radioactive isotopes (such as carbon 11 and Nitrogen 13) to measure the metabolism of the brain cells.
Other functions of the PET are;
i. measurement of the flow of blood to and from the heart.
ii. the rate at which a body consumes or uses sugar.
An investigator has proposed a multi-site study of PSA (Prostate Specific Antigen) test results among patients with prostate cancer. The research involves only review of medical records at institutions in several states. The investigator will not collect any identifying information on the subjects, only their PSA scores and ages (which will be collected in a range format so as to not have the person's specific age). The investigator may correctly conclude that:
Final answer:
The PSA test is not recommended for screening healthy men for prostate cancer. The PCA3 test is a more accurate indicator, but may still result in unnecessary treatment. Genetic screening for cancer risk should be considered on an individual basis.
Explanation:
Based on the recommendation by the United States Preventative Services Task Force, healthy men should not be screened for prostate cancer using the PSA test. This is because the test does not reduce the risk of death from prostate cancer. Prostate cancer often develops slowly and does not cause problems, while the treatment can have severe side effects. The PCA3 test is considered to be a more accurate indicator of prostate cancer, but it may still lead to unnecessary treatment for men who would not have been harmed by the cancer itself.
When it comes to screening for genetic risk for cancer or other diseases, it is a complex decision that should be made on an individual basis. Screening can provide important information about an individual's risk, but it is important to consider the potential benefits and risks of screening. It is best to consult with a healthcare provider to determine if genetic screening is appropriate in each specific case.
When writing functions that accept multi-dimensional arrays as arguments, ________ must be explicitly stated in the parameter list.
Answer:
The answer is "Option B"
Explanation:
The two-dimensional array is often represented as a matrix. The matrix can be called a numerical grid, that is organized as some kind of bingo card with rows and columns, that's why it is correct, and other options are not correct, that can be defined as follows:
In option A, In the array, there are three types of the array but two types are mainly used, that's why it is not correct.Option C and Option D is not correct, because in this question the 2D array is used.When the break statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.
a) true
b) false
Answer:
False
Explanation:
The statement is false because all statement after break statement are ignored but along with that control move out of loop to other instructions and doesn't perform next iteration of loop. Forexample:
for (i=0;i<10;i++){
if(some condition)
break;
x=y;
y=z;
}
statement 1
statement 2
In above example after encountering break statement it will ignore statement after break plus it will not continue the next iteration and control move out of loop toward 'statement 1'
Answer:
Option b false
Explanation:
In programming, a break statement will terminate the loop and the program control will return to the statement after the loop. This means the loop won't prepare for the next iteration when a break statement is encountered.
One common use case of break statement is when we wish to terminate a linear search once the target number is found from an array. For example:
let target = 10;let myArray = [1, 10, 5, 6, 8, 9, 11];let found = false;for(let i = 0; i < myArray.length; i++){ if(target === myArray[ i ] ) { found = true; break; }}Since there is no point to continue the loop after the target number is found and therefore a break statement (Line 9) is included to terminate the loop.
A number x is divisible by y if the remainder after the division is zero. Write a program that tests whether one number is divisible by another number. Read both numbers from the keyboard?
Answer:
Program :
x=float(input("Enter first number")) #take first inputs
y=float(input("Enter second number")) #take second inputs
if(x%y==0): #check the number is divisible or not
print("The number is divisible") #print for true.
else:
print("The number is not divisible") # print for false.
Output:
If the user gives input 4 and 2 then it prints that it is divisible.If the user gives inputs 4.2 and 2.2 then it prints that it is not divisible.Explanation:
The above program is in python language.The first and second line of the program renders a message to enter the first and the second number and it take the value from the user and stored it on x and y variable after converting the value on the float.Then the third line is used to check that the x and y are divisible or not. Then it prints that it is divisible for true value otherwise it prints it is not divisible.Final answer:
To test if a number is divisible by another, read both numbers and use modular division (% operator) to check for a zero remainder, ensuring the divisor is not zero to prevent errors.
Explanation:
Read two integers x and y from the user. If y is not equal to zero, use modular division to check if x % y equals zero. If the result is zero, then x is divisible by y, and the program should display an appropriate message stating this fact.
If y equals zero or if the modular division does not result in zero, appropriate messages should be displayed to indicate a division error or that the numbers are not divisible, respectively. The guard condition y != 0 is crucial as attempting to divide by zero would cause an error in the program.
// Pseudo code for the program
// Read x and y from the keyboard
Input x
Input y
// Check that y is not zero
target.y
// If y is not zero, perform the division
target.y
// Display the result
target.y
target.y }
During the analysis phase of the SDLC the systems analyst will decide how the hardware, software and network infrastructure, user interface, forms and reports will be used.
a. True
b. False
Answer:
False is the correct answer for the above question
Explanation:
The analysis is the phase of the software development where the analyzer is used to analyze the problem for which the software is going to developed by the developer.It is because when the analyzer does not analyze the problem then how can he able to know what the problem is.The above-question statement says that the work of the analysis phase of the software development has to decide about the hardware and software and network of the system which is correct because the work of the analysis phase is described above. Hence the question-statement is the false statement.
Where does cable termination occur in most buildings?
CSU/DSU
Core switch
Demarcation point
Patch panel
Answer:
Demarcation Point
Explanation:
The entrance point that can be a device for the telecommunication utilities or service providers in the building. From this device or point users of the building takes the connection to their house or building. This point is also known as the termination point of the service to the building. The purpose of the this point is to provide ease in providing their services to the users of the building. The service provider is responsible for the maintenance till this point. After this point the user is responsible for the maintenance of the cable.
Which of the following is not an input validation error type? Group of answer choices
a.Incorrect data type
b.Inaccurate data
c.All of these are input validation error types
d.Empty input
e.None of these
Answer:
The correct answer to the following question will be Option E (None of these).
Explanation:
Input validation, often defined as data validation, would be the appropriate checking of any data that a user or software has received.
It avoids the insertion of incorrectly shaped data into an identification system.
There are mainly two types of Input validation, such as:
Client-side validationServer-side validationTherefore, Option E is the right answer.
If you want to use your computer for recording your band, you would benefit most from a(n)
A. MIDI interface.
B. RAID interface.
C. HDMI interface.
D. overclocking interface.
Answer:
The answer is "Option A".
Explanation:
The MIDI stands for "Musical Instrument Digital Interface". It was designed to monitor one keyboard from another and was adapted quickly for the PC. It is also known as a set of rules, which is used to design and play the recorded music on digital electronic sounds or sound. It also helps to other PC's with sound card manufacturers, and other options were wrong that can be defined as follows:
In option B, It is a device that is used to check data redundancies, that's why it is not correct. In option C, It is used in data transferring, that's why it is not correct. In option D, It is processed, that is used to change PC's BIOS setting that's why it is not correct.
When data is being prepared for transmission onto the network, it is broken into small pieces and a header and trailer are added to each piece to help identify it. What is this process called?
Answer:
The correct answer to the following question will be "Encapsulation".
Explanation:
Encapsulation relates to the pooling of data with techniques used by the database or the limitation of immediate access to many of the elements of the entity.As data is being processed for transfer to the network, it's split into tiny pieces and a trailer and header are attached to each piece to help determine it.It is a method of shielding data facts and preserving the object's data and actions from abuse by certain objects.Therefore, Encapsulation is the right answer.
Packetization is the process of breaking data into small pieces and adding a header and trailer to each piece for transmission on a network.
Explanation:The process of breaking data into small pieces and adding a header and trailer to each piece is called packetization. Packetization is an important step in preparing data for transmission on a network. It allows for efficient and reliable transfer of information by dividing the data into manageable units.
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Analyzes the performance of hardware and software interfaces and identifies alternatives for optimizing the usage of computer resources.?
Answer:
Updating OS, defragmentation of memory and hardware maintenance.
Explanation:
There are two main components of the computer system, they are software and hardware components. The software is the operating system and the application software and utilities. To optimise the OS, it should be updated, at least every month.
The hardware is of four parts, namely, the input, output, memory and processor unit. These parts should be serviced monthly and defragmentation of the memory should be monthly for optimisation.
The ranking functions make it easy to include a column in a result set that provides the sequential ranking number of each row within a ___________________________.
a. clause
b. partition
c. subquery
d. function
Answer:
b. partition
Explanation:
The ranking functions make it easy to include a column in a result set that provides the sequential ranking number of each row within a partition. This is done as a subset of the built in functions that exist within the SQL Server. If the partition does not exists it can be the full result set. The order of the ranking within the partition is defined by the order clause of OVER.
Programs that use an interpreter generally execute faster than compiled programs because they are already entirely translated into machine language when executed.
A. True
B. False
Answer:
The statement is FALSE
Answer:
(B) False
Explanation:
Programs that use an interpreter generally don't execute faster that compiled programs because they take in lines of code one after the other. They are not like compilers that take in the entire program all at a time. And because of this, compilers are relatively faster than their interpreter counterparts.
Note that both interpreters and compilers are translators used for converting a program from human-readable form (high-level) to machine readable form.
However, interpreters don't use up much memory compared to compilers. This is because while compilers will produce intermediate machine codes - which need to be stored - interpreters don't produce such.
Examples of programming languages that are interpreters are PHP and Perl.
Examples of languages that are compilers are C and C++.