Mock exam style questions
1. List 2 things an operating system does. (2 marks)
An operating system controls the input and output devices. It also manages resources such as Memory, CPU time, Storage devices.
3. Give one advantage of a GUI. (1 mark)
Its very easy to multitask with you can have open many programs at once, and you can move quickly and easily and transfer data between applications.
4. Give one disadvantage of a GUI. (1 mark)
A disadvantage is the resource intensive, it requires a lot of processing, power/time and memory.
5. How does a command line interface work? (1 mark)
CLI works by the use of text commands, entered by a user.
7.
a. Which is the odd one out? (1 mark)
Mainframe
b. Why? (1 mark)
Mainframe is the one odd one out because its the only one which requires a fan to cool the hot air it produces down.
12. What is a mainframe computer? (1 mark)
A mainframe computer is a computer which is capable of processing huge amounts of data at one time and is used by many users at once.
Describe the difference between RAM and ROM. (4 marks)
The difference between RAM and ROM is ROm cannot be changed and is not lost when the computer is turned off so there fore is NON-volatile whereas RAM is volatie so is lost when your turn of your computer. RAm is used to store open data such as programs. ROM is the software which make