1. Personal computers …. …. in business or at home.
a) are used b) be used c) is used
2. At home, the …. popular use for PC is for playing games.
a) more b) most c) much
3. Personal computers first … in late 1970s.
a) appeared b) appears c) was appear
4. Peripheral devices can … external or internal.
a) was b) will be c) be
5. Software … as ideas, concepts and symbols.
a) exists b) had existed c) exist
6. The operating system and all the utilities enable the computer to ….
a) functioning b) functioned c) function
7. Computer programs … … software.
a) are called b) was called c) will called
8. The standard layout … letters and numbers is called QWERTY keyboard.
a) on b) by c) of
9. Hard disk drive is the mechanism that reads and … data on a hard disk.
a) writing b) wrote c) writes
10. Winchester is the name of one of the first HDD technologies developed … IBM … 1973.
a) by, in b) of, in c) by, on
11. Colour LCD monitors are … more and more popular.
a) becomes b) becoming c) became
12. Monitors … different screen sizes.
a) has b) are c) have
13. A typical size … small monitors is 14 inches.
a) for b) by c) in
14. The mouse was … by Douglas Engelbart in 1963.
a) invention b) invented c) inventions
15. Mice usually … two at three buttons.
a) has b) is c) have
16. There … many different types of printers.
a) are b) was c) is
17. Laser printers … the same technology as copy machines.
a) user b) uses c) use
18. Most common floppy discs come …size 3,5-inch.
a) in b) on c) at
19. CD-ROMs are capable of … audio CDs.
a) play b) playing c) player
20. The application programs … be written to run on top pf a particular operation system.
a) most b) need c) must
21. What … the types of the most widely used printers?
a) was b) are c) is
22. The first computers … simple machines designed for basic tasks.
a) were b) was c) has
23. Operating system is the … important program that runs on a computer.
a) most b) must c) more
24. When … the first HDD developed?
a) were b) are c) was
25. … invented the mouse?
a) When b) Who c) Why

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