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kirza4 [7]
3 years ago
13

3. State whether the given statements are true or false. a. The computer is called a data processor because it can store, proces

s, and retrieve data whenever needed. b. Modern processors run so fast in term of megahertz (MHz). c. If millions of calculations are to be performed, a computer will perform every calculation with the same accuracy. d. It is very safe to store data and information on the computer independently. e. If some electrical or electronic damages occur, there are no any chances of data loss or damage f. The output devices of the computer like monitor, printer, speaker, etc. can store meaningful information, g. The input devices can display the output after processing. h. Students can also use computer as their learning tools.​
Computers and Technology
1 answer:
andriy [413]3 years ago
6 0

Answer:

a,b,c,d,f,g are true only e is false

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Write a program that prompts the user to enter their name store this value in a variable called name Prompt the user for their c
Anarel [89]

Answer:

Explanation:

The following code is written in Python. It prompts the user for the name and age, saves them to their own variables. Then it creates and calculates the dogAge variable. Finally, it combines all of this information and prints out the statement.

name = input("Enter your name: ")

age = input("Enter your age: ")

dogAge = int(age) * 7

print("Your name is", name, "and in dog years you are", dogAge, "years old.")

8 0
3 years ago
Find the inverse function of f(x)= 1+squareroot of 1+2x
Svetllana [295]

Answer:

Therefore the inverse function of  f(x)=1+\sqrt{1+2x} is \frac{x^2-2x}{2}

Explanation:

We need to find the inverse of function f(x)=1+\sqrt{1+2x}

Function Inverse definition :

\mathrm{If\:a\:function\:f\left(x\right)\:is\:mapping\:x\:to\:y,\:then\:the\:inverse\:functionof\:f\left(x\right)\:maps\:y\:back\:to\:x.}

y=1+\sqrt{1+2x}\mathrm{Interchange\:the\:variables}\:x\:\mathrm{and}\:y

x=1+\sqrt{1+2y}

\mathrm{Solve}\:x=1+\sqrt{1+2y}\:\mathrm{for}\:y

\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}

1+\sqrt{1+2y}-1=x-1

Simplify

\sqrt{1+2y}=x-1

\mathrm{Square\:both\:sides}

\left(\sqrt{1+2y}\right)^2=\left(x-1\right)^2

\mathrm{Expand\:}\left(\sqrt{1+2y}\right)^2:\quad 1+2y

\mathrm{Expand\:}\left(x-1\right)^2:\quad x^2-2x+1

1+2y=x^2-2x+1

\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}

1+2y-1=x^2-2x+1-1

\mathrm{Simplify}

2y=x^2-2x

\mathrm{Divide\:both\:sides\:by\:}2

\frac{2y}{2}=\frac{x^2}{2}-\frac{2x}{2}

\mathrm{Simplify}

y=\frac{x^2-2x}{2}

Therefore the inverse function of f(x)=1+\sqrt{1+2x} is \frac{x^2-2x}{2}

4 0
3 years ago
Which of these is not a combination of a keyboard and percussion musical instrument?
Sergio [31]

Answer:

The Harmonium is not a combination of a key board and percussion musical instrument.

Explanation:

The Harmonium is not a combination of a key board and percussion musical instrument.

A harmonium, also called a "melodeon", "reed organ" or "pump organ", is a keyboard instrument that is a lot like an organ. It makes sound by blowing air through reeds, which are tuned to different pitches to make musical notes.

3 0
3 years ago
Which software programs should students avoid using to create and submit course work? (Choose all that apply). Word, Pages, Numb
Aleksandr [31]

Answer:

The answer to this question is given below in the explanation section.

Explanation:

You can submit your course work most often in a Word document. Because in the word document, you can insert text, numbers, images, charts whatever you want such as required for writing a book- easily.

The correct options to this question, that you should need to avoid using to create and submit course work are pages, numbers, and keynote.

Because while submitting the course work, you need to submit a complete word document, it is not required to you that you have to submit numbers, pages, or keynotes along with the course assignment. You can create a course assignment or project document in word and submit to your respective teacher. However, you can not create your course work using keynotes or pages, etc as given in the question.

3 0
3 years ago
What lets you do many things, like write book reports and stories?
Shalnov [3]

Answer:

4. application programs

Explanation:

5 0
3 years ago
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