Computer Systems: Foundation Homework 7

What is your teacher's name?

Mr Carey
Mr McGivern
Mrs Smith
Mr Munro

A block diagram of Margaret's computer system is shown. The arrows show the flow of data. Match up the correct names to the numbers of the blocks shown. KU (1 point per match)

Resource 1

	1	A. output
	2	B. input
	3	C. backing store

The computer system has both input and output devices. Name 2 input devices. KU (2 points)

Name 2 output devices. KU (2 points)

Memory in a computer system can either be RAM or ROM. Which of the following statements are correct? Choose 2. KU (1 point per correct choice)

The contents of ROM cannot be changed.
The contents of RAM are lost when the computer is switched off
The start up program is saved in RAM
The application packages are loaded into ROM.

Memory is measured in megabytes (MB) and kilobytes (Kb).

How many bytes make up a kilobyte? KU (1 point)

How many bits are in a byte? KU1 (1 point)

Margaret's desktop computer used a WIMP system. What do the letters WIMP stand for? KU (3 points)

As part of her job Margaret has to visit customers in their homes. Margaret's company buys her a laptop computer. Why would her company buy her a laptop? KU (1 point)

What can be used instead of a mouse on a laptop? PS (1 point)

Margaret writes a program in a High Level Language. Why does she use a 'high level language'? PS (1 point)

What must happen to the program before the computer can understand it? PS (1 point)

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