Tell what sentences are true and what are false. 1) The capabilities of a personal computer have changed greatly since the introduction of electronic computers

1) The capabilities of a personal computer have changed greatly since the introduction of electronic computers. 2) Then, in 1981, IBM en­tered the fray with its first personal computer, known as the IBM PC. 3) Third, a personal computer uses smaller, less expensive, less powerful input, output and storage components than do large computer systems. 4) Eventually the market segments lost any technical distinction.

2. Choose the right answer:

1) Personal computers are supposed to appear in ….

a) the early 1970s;

b) the late 1970s;

c) 1990.

2) The introduction of the … lead to the proliferation of personal computers after 1975.

a) laptop;

b) computers;

c) microproces­sor.

3) Early personal computers is generally called ….

a) computer;

b) microcomputers;

c) mainframe.

4) By the late 1970s, … pre-assembled computers allowed a wider range of people to use com­puters.

a) mass-market;

b) special;

c) general.

5) One of the first and most popular personal computers was ….

a) the Apple;

b) the Apple I;

c) the Apple II.

6) IBM en­tered the fray with its first personal computer, known as ….

a) the IBM PC;

b) software;

c) firmware.

7) A microprocessor unit, or MPU, is concentrated on ….

a) disk;

b) a single silicon chip;

c) CD.

8) Most often, input is by means of ….

a) a keyboard;

b) a printer;

c) a monitor.

9) A PC employs … as the principal online and offline storage devices

a) CD;

b) diskettes;

c) disks and USB flash drive.

3. Complete the sentences:

1) The capabilities of a personal computer have changed greatly since …. 2) By the early 1970s, people in academic or research institutions had the opportunity for single person use of a computer system in …. 3) Early personal computers generally called microcomputers, sold often in …. 4) By the late 1970s, mass-market pre-assembled computers allowed a wider range of people to use com­puters, focusing more on …. 5) During the late 1970s and early 1980s, new … and competitive … seemed to appear daily. 6) First, a personal computer being …. 7) Second, a PC has …. 8) Third, a personal computer uses …. 9) Finally, a PC is a …, … system that can begin to work when plugged in and be moved from place to place. 10) Probably the most distinguishing feature of a personal com­puter is ….