12. Answer the questions:
1. What are the four functions of a computer?
2. Describe the first function of a computer.
3. What is a core function of a computer?
4. What are the ways of information output?
5. How can information be stored?
13. Read Text C paying attention to the words in bold:
Text C
Types of Computers
There are different types of computer of varying size and
power, including the following:
Supercomputer is the most powerful type of mainframe.
Mainframe is large, very powerful, multi-user i.e. can be used
by many people at the same time, multi-tasking i.e. can run many
programs and process different sets of data at the same time.
Main-
frames are used for large-scale computing purposes in banks, big
companies and universities.
Minicomputer is smaller than a mainframe, powerful, multi-
user, multi-tasking.
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