Define an analog and digital signal

Answers

Answer 1
An analog signal is a continuous wave that changes over a time period.
A digital signal is a discrete wave that carries information in binary form.

Related Questions

A television camera is positioned 4000 ft from the base of a rocket launching pad. the angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. also, the mechanism for focusing the camera has to take into account the increasing distance from the camera to the rising rocket. let's assume the rocket rises vertically and its speed is 800 ft/s when it has risen 3000 ft. (round your answers to three decimal places.)

Answers

The distance from the t.v. camera to the rocket increasing at Let be the distance from the camera to the rocket, and the height of the rocket. We have x*x =h*h +(4000)(4000) When h=3000 , x*x=(3000)(3000)+(4000)(4000) , which gives x= 5000 We are told that at that instant,dh/dt 800 ft/s So, at that instant 5000dx/dt =3000(800) and dx/dt=3000(800)/5000 =480 ft/s

Which computer career field enables you to create and design interactive multimedia products and services?

Answers

i think its graphic design

What advantage do ExpressCard modules and U.S.B adapters offer over expansion cards?

Answers

The advantage does of ExpressCard modules and U.S.B adapters offer over expansion cards is that it can connect a variety of devices to a computer. The technical standard of ExpressCard specifies the design of slots built into the computer and of expansion of cards to insert in the slots including the mobile broadband modems. It is sometimes connectors for externals devices such as flash drives, USB connectors and other ports that need to connect to the computer.

After a file downloads, you can do any of the following except

Answers

Final Answer:

Load it as a web page. After a file downloads, standard actions include opening it in its native application, viewing it in the Downloads list, or using File Explorer to access the Downloads folder. However, loading it as a web page is not a typical post-download action.

Explanation:

When a file completes its download, the typical action is to open and read its contents. However, the term "simultaneously" implies performing these actions at the exact same time, which is not possible. Opening and reading a file are sequential processes; first, the file needs to be opened, and then its contents can be read. Therefore, while you can certainly open and subsequently read a downloaded file, doing both actions simultaneously contradicts the sequential nature of these operations.

In the context of computer systems and software, tasks are executed in a step-by-step manner. Opening a file involves the initiation of a file-handling process, followed by the reading of its contents. Attempting to perform both actions simultaneously would require the computer to execute two conflicting operations at the same instant, which is not feasible within the standard operating procedures of computing systems. Thus, while you can promptly open and read a downloaded file, the concept of doing so simultaneously contradicts the inherent sequential nature of these operations in computing environments.

Full Question:

After a file downloads, you can do any of the following except

a. open it in its native application from the Downloads list.

b. view it in the Downloads list.

c. use File Explorer to view it in your Downloads folder.

d. load it as a web page.

Discuss the disadvantages of creating a bit-stream copy from a disk to a network drive. is it worthwhile?

Answers

The biggest disadvantage is the time involved in transferring the data in bit-stream mode. Typically, only files are used by the operating system or user, but a bit-stream copy will transfer even the unused bits, multiplying the amount of time required to complete the process.


________ is a crime that uses mock (fake) sites to trick people into sharing information.

Answers

Phishing is a crime that uses mock (fake) sites to trick people into sharing information.

Answer: The correct answer is Pharming

explain briefly how the cooling mechanism implemented in fan less laptop

Answers

Fanless computers use a heat sink and taking the heat produced from the computer and dissipating heat. The heat sink is made of a highly heat conductive material such as aluminum. It is connected to the CPU with thermal paste to maximize the amount of heat transferred to it and then connects to the outside air most commonly in an area with many ridges to maximize air contact.

When you select Insert and click on a shape the mouse pointer turns into a/an

A. double-headed arrow.
B. hand.
C. I-beam.
D. crosshairs.

Answers

Depending on the situation, the shape of the pointer may be an arrow, an I-beam, a hand, or an hourglass (Figure 5)

⇒The arrow pointer is displayed when the pointer is on a command or other selectable item. Click the pointer on the command to select it. Hover, don’t click, over any Ribbon command or icon to display a pop-up description.

⇒The I-beam pointer is displayed within a document. Move the I-beam with the mouse and then click to move the insertion point to that location.

⇒The hand pointer appears when pointing to a hyperlink, like that found in a help window displayed by the Tell Me box. When you click a link a browser window opens.

⇒The hourglass pointer is displayed to indicate that Word is working on an action.

The answer is C. I-beam

How many bits are required to address a 1mx8 main memory if main memory is byte addressable?

Answers

Yes they will be. Hope this helps

What best describes the way that businesses tend to represent themselves online?

a) They put an emphasis on the positive and downplay negative feedback.
b) They put equal emphasis on positive, negative, and neutral feedback.
c) They put an emphasis on the negative and downplay neutral feedback.
d) They put an emphasis on neutral feedback and downplay praise and criticism.

Answers

They put an emphasis on the positive and downplay negative feedback. So your answer is a. This is because businesses want to make themselves look good for the public image.

Hope this Helps


Using the syntax in section 2.3, write a command delete_all_rights (p, q, s). this command causes p to delete all rights the subject q has over an object s.

Answers

command delete_all_rights(p, q, s)
delete read from a[q, s];
delete write from a[q, s];
delete execute from a[q, s];
delete append from a[q, s];
delete list from a[q, s];
delete modify from a[q, s];
delete own from a[q, s];
end

Write a program that can convert an integer between 0 and 15 into hex number (including 0 and 15). the user enters an integer from the console and the program displays the corresponding hex number. if the user enters an integer out of range, the program displays a warning message about the invalid.

Answers

Range check what the user enters, if it's legit, a character array can be used.

The question involves writing a program that converts an integer in the 0-15 range to its hexadecimal representation, displaying a warning message for out-of-range inputs.

The student's question is about writing a program that converts an integer to a hexadecimal number. Hexadecimal is a base-16 number system commonly used in computing, which includes the digits 0 to 9 and the letters A to F to represent decimal values 10 to 15. If a user enters a number from 0 to 15, the program should display the corresponding hex number; any other input results in a warning.

Here's a simple program example written in Python:

user_input = int(input("Enter an integer between 0 and 15: "))
if 0 <= user_input <= 15:
   print("The hexadecimal representation is:", hex(user_input)[2:].upper())
else:
   print("Invalid input! Please enter a number between 0 and 15.")

Notice that we use the hex() function to convert the integer to hexadecimal and remove the initial '0x' by slicing the string. For numbers less than 10, the hexadecimal representation is the same as the decimal. For numbers 10 to 15, it will display A to F respectively.

If your path variable is not set to search the working directory, how can you execute a program located there?

Answers

In *nix ./ (dot slash) means this directory, so ./helloWorld executes a program named helloWorld in the PWD.

A battery with an ampere l-hour rating of 200 (200Ah) will theoretically provide

Answer choices on picture

Answers

D. All of the above. Depending on how much current is being drawn, the charge will last longer.
1A * 200h = 200Ah
10A * 20h = 200Ah
200A* 1h = 200Ah

Please note that this would likely not be true in real life since some of the energy will be turned into heat as it is conductedd thrugh the wires etc. Especially for a large load of 200A

Use the Internet identify a problem that social media was used to solve. The problem may be local, national, or global.

answer these questions on topic

a definition of the problem (what is it?);
an analysis of the problem (what caused it?; what are the major issues involved?);
how social networking was used to solve the problem;
your opinion of how social media made it easier to solve the problem; and
your sources.

Answers

The #MeToo movement exemplifies a problem tackled via social media, addressing the issue of sexual harassment globally. It was fueled by societal norms and leveraged social media to encourage solidarity among victims and demand change. Social networks' wide reach accelerated the movement's impact.

Problems addressed via social media range from local community issues to global crises. A clear example is the #MeToo movement, which became a global phenomenon through social media.

Definition of the problem: The #MeToo movement addresses the widespread prevalence of sexual assault and harassment, especially in the workplace.

Analysis of the Problem:

It's caused by longstanding societal norms and power imbalances. Major issues involve the silence surrounding victims and the lack of accountability for perpetrators.

Use of Social Networking:

Social networking provided a platform for victims to share their stories, creating a sense of solidarity and calling for change.

Opinion on Social Media's Influence:

In my opinion, social media significantly amplified the issue, by providing a large, immediate audience and fostering community support.

Sources:

My sources include articles from credible news outlets and academic journals that have analyzed the impact of the #MeToo movement.

Addressing Misinformation:

Social media's structure allows for rapid spread of information, making it vulnerable to misinformation. Major effects include public misinformation and damage to reputations.

Privacy Issues:

Platforms have implemented features such as privacy settings and data encryption to address user privacy concerns.

Marketing Insights:

Marketers can glean user preferences, social interactions, and trends through social networking.

What does ieee stand for

Answers

this stands for institute of electrical and electronics engineers

Good luck!
institute of electrical and electronics engineers

Which of the following statements about relays is correct? A. A relay is a type of rheostat. B. A normally closed relay closes a circuit when current is applied to the relay coil of wire. C. A relay is an electrical switch that works through electromagnetism. D. A normally open relay opens a circuit when current is applied to the relay coil of wire.

Answers

C. A relay is an electrical switch that works through electromagnetism. 

The statement about relay that is correct is a relay is an electrical switch that works through electromagnetism. The correct option is C.

What is a relay?

In a relay race, a team of four competitors runs equal predetermined lengths in a sprint race while passing a baton-like object to the following runner to continue the race. This event is performed at the Olympics and other World Athletics-sanctioned competitions.

Repeating what you've heard, or broadcasting a signal, message, or program on radio or television: I was the first to hear the news, and I then notified the others. Satellites transmitted television images of the fight all over the world.

Therefore, the correct option is C. A relay is an electrical switch that works through electromagnetism.

To learn more about the relay, refer to the link:

https://brainly.com/question/15274074

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Sometimes you're the dog, sometimes the fire hydrant, your thoughts?

Answers

sometimes your mean to people (dog peeing on fire hydrant) sometimes people are mean to you (being peed on)

Which of the following describes what a manufacturing engineer does?

Answers

what's the following is there a b c d or is it just writing it out

A table cell contains how many pieces of data

Answers

Answer: One

Explanation: A table is simply rows and columns of data. The point where a row and column intersect is called a cell. A cell contains one piece of data, which can be in the form of text or graphics. For example, The Formatted Table shown contains three rows and four columns. The first row of the table contains titles. Formatting has been applied to help distinguish the titles from the data, and shading has been used to make it easier to read across a row of data. PF...

A grouping within a chart table used to store information or data is called a table cell. Vertical and horizontal rows of cells are used to group cells (columns of cells). Each cell includes data pertaining to the row and column titles with which it is aligned.

What table cell contains how many pieces of data?

A table contains rows and columns of data. A row and a column come together to form a cell. Each cell holds one piece of data, which could be in the form of text or images.

The Formatted Table, for instance, has three rows and four columns. The table's first row is made up of titles. The titles have been formatted to assist set them out from the data, and shading has been utilized to make a row of data easier to read. There are 32,767 possible characters in total for each cell.

Therefore, A table cell contains one pieces of data.

Learn more about table cell here:

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Theâ ______ is a large worldwide collection of networks that use a common protocol to communicate with one another.

a. local area network

b. personal area network

c. internet

d. wide area network

e. world wide web

Answers

LaN is the correct answer i believe

The internet (Option c) is the correct answer, as it is the large worldwide collection of networks using TCP/IP to communicate. This global system includes various types of networks linked by different technologies.

The internet supports numerous applications and services, including the World Wide Web, email, and file sharing.

The internet is a large worldwide collection of networks using the common protocol, TCP/IP, to communicate with each other. This global system of interconnected computer networks includes private, public, academic, business, and government networks, all linked together by various electronic, wireless, and optical networking technologies.The internet enables a wide range of information resources and services such as the inter-linked hypertext documents and applications of the World Wide Web, electronic mail, telephony, and file sharing, making it a crucial part of today's digital communication and information sharing infrastructure.

Therefore,The correct answer to the question is internet (Option c).

which of the following cannot be performed from the windows task manager?

A) view what application are running from in the background
B) delete a program from the harddrive
C) open a program
D) check recent CPU usaga

Answers

Could be wrong... but it's most likely D.

Task managers are used to monitoring which applications and background processes/ running and also to terminating a program that isn't responding.

The utility tool displays the status of all applications that are currently running.  It is a computer monitoring program included with Microsoft Windows.  This program is capable to include viewing running apps, in both backgrounds or currently open, checking CPU utilization, or opening a new program from the list of those you have installed.

Therefore, the answer is "Option B".

Learn more:

brainly.com/question/7162166

dot matrix and solid font printers are examples of

Answers

character printers is the answer

Dot matrix and solid font printers are examples of printing technology. Dot matrix printers are used for impact printing on continuous feed paper, while solid font printers are associated with high-quality digital printing.

Both dot matrix printers and solid font printers are examples of printing technology. Dot matrix printers create characters by striking pins against an ink ribbon, producing a series of dots that form text and images. They are known for their ability to print on multi-layer forms and continuous feed paper. Solid font printers, on the other hand, are usually associated with typeface in digital printing, referring to a specific style and weight of characters, though often confused with ‘typefaces’ which include multiple font designs in a single family.

Dot matrix printers are particularly popular for tasks needing duplicate forms, such as invoices and receipt printing. Whereas, solid font printers like laser and inkjet are used widely in both home and business environments for producing high-quality text and graphics swiftly.

In summary, both dot matrix and solid font printers play distinct roles in the evolution and application of printing technologies.

Select the tips you should follow when creating a newsletter.
1.)Know your audience and put yourself in its shoes.
2.)Use fancy fonts and style.
3.)Add many different kinds of graphics.
4.)Get to the point quickly.
5.)Be clear and concise.

Answers

A newsletter is a printed article that contains news and information of a business or any organization. This includes their activities.This is sent via mail or email to concerning individuals. 

From the given items above, the tips that I would follow in creating the newsletter would be: 1, 4, and 5. 

Answer:

Be clear and concise.Get to the point quickly.Know your audience and put yourself in its shoes.

Explanation:

I did the test. One thing to keep in mind is that the answers are mixed up and not in the same place as others.

_____ are special combinations of keys that tell a computer to perform a command. A.)Keypads
B.) Multi-keys
C.)Combinations
D.)Shortcuts

Answers

The answer is D.) Shortcuts
D. Shortcuts are special combinations of keys that tell a computer to perform a command

hope this helps

Awr174 software creators who produce open source software have chosen to allow people to use their software in different ways. these creators:

Answers

what should I say to finish the question?

if you were going to construct a table that only included shape names with number prefixes, which shape would you include

square

circle

oval

triangel

Answers

The answer would be A. square

Answer:

Well the real answer is D. Triangle :) hope this helps anyone in connections academy! :)

Explanation:

Which button is used to set up the pen color?
A. Record slideshow
B. Set up slideshow
C. Custom slideshow
D. Rehearse timings

Answers

C. custom slideshow because this is where you can customise everything you do eg. pen colour, don't etc.

Answer: B. Set up slideshow.

In Microsoft Powerpoint, in order to setup the pen color, you will have to go to the Slide Show tab and click the "Set Up Slide Show" button. The Set Up Show dialog box will contain different customization options.

Some of these options are:

Show type - You may set the mode of the slideshow like full screen, window, and kiosk full screen.

Show Options - Here is where you will find the Pen Color and Laser Pointer Color. You may also select the loop options here.

Show Slides - In the show slides option, you may select the slides that you would like to present.

These are just some of the options that are available in the Set Up Show dialog box.

True or false? when intel places a sticker on computers showing their chip is inside, they are demonstrating their visible value.

Answers

It is true, it shows visible value 

Which plot element is typically the turning point and the most intense moment of the story

Answers

Answer: Climax is typically the turning point and most intense moment of a story
The climax is the most intense moment of the story because it is what the exposition and rising action lead to. It is then followed by the falling action and resolution, which can be considered the "end" of the story.
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