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Describe two different functions performed by an operating system [4 marks]

As we can see the question is worth four marks, so we need to identify two functions performed by an operating system, and then be able to give a description of what they actually are. It might be easiest...

Answered by Matthew G. Computing tutor
5116 Views

How would you represent the decimal number 143 in 7 bit binary?

First look at the leftmost digit, which represents how many 128s are in the number. There is one 128 in 143, so we mark that as a 1. Then take the remainder of the value - in this case 143-128 = 15, and m...

Answered by Joel C. Computing tutor
2336 Views

What is Bubble Sort algorithm and how it works? Give an example of pseudo-code explaining the process.

A Bubble Sort algorithm is one of the simplest and easy-to-program sorting algorithms, at an expense of inefficiency. One of the main reasons why it is simple is because that it uses the notion of swappin...

Answered by Nedas M. Computing tutor
2494 Views

Represent 83 in 8 bit binary.

Start on the left side of the binary number - the first digit is the "128s" digit - there are no "128s" in 83 (as 128 is clearly larger than 128), so we start with a 0.Next is 64 - the...

Answered by Rose L. Computing tutor
4719 Views

Compress the following bit pattern using RLE (Run Length Encoding). 1111 0011 1100 0000

The answer is as follows:
(4,1) (2,0) (4,1) (6,0)

Answered by Daniel C. Computing tutor
4461 Views

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