COMPUTERS AND TECHNOLOGY HIGH SCHOOL

In a five-choice multiple-choice test, which letter is most often the correctanswer?
A. A
B. B
C. C
D. D

Answers

Answer 1
Answer: C. C

I think there was a study done on this a while back!
Answer 2
Answer:

I believe the answer is C.

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Which of the following choices is not an operating system?A. DOS
B. Windows Vista
C. UNIX
D. Windows 97

Answers

There is no such Windows 97 OS released from Microsoft Windows. After the first release of Windows 95 on August 24, 1995 it was followed by another release with some major enhancements in 1997 under the same name. The next OS released by Microsoft office was the Windows 98 in 1998.

Answer:

windows 97

Explanation:

Which type of cipher works by rearranging the characters in a message?

Answers

Ciphers convert messages from plaintext to ciphertext.
Transposition cipher is the type of cipcher that works by rearranging the characters in a message. This cipcher uses algorithm to rearrange the letters of a plaintext message to form ciphertext.
Other type is the substitution cipher which uses algorithm to replace each character or bit of plaintext with a different character.

Software like Pinnacle Studio and Adobe Premiere Elements are used to create and editChoose one answer.
a.

videos.


b.

animated graphics.


c.

audio files for podcasts.


d.

screen capture images.

Answers

The answer is A, they are used for photos

Why does a CPU need Thermal Grease?

Answers

The CPU generates a lot of heat while doing its job, and if the CPU can't get rid of
the heat, that's very bad for the CPU.  (Scientists say the CPU 'fails'.  Engineers say
the CPU 'dies'.  Users say the CPU 'burns up'.)

If you look at the CPU in your computer, you'll see that it's mounted on a big black
piece of metal with lots of fins and grooves in it, called a "heat sink".  There may
also be a little fan blowing air past the heat sink, to help take heat away from it. 
The thermal grease carries heat from the CPU to the heat sink faster than if they
were just bolted together with nothing in between them.

true/false: for all n, an algorithm which is o(n2) will be slower than an algorithm which is o(n log n). g

Answers

True. I had this assignment a while back

What is the purpose of requirements gathering and analysis?

Answers

Answer:

The purpose of Requirements Analysis is to discover unknown requirements, i.e., to turn unknown requirements into known requirements. Users' needs that were not expressed during requirements gathering and elicitation can be uncovered through Requirements Analysis.

Explanation:
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