1 Vocabulary

a) a – 4; b – 1; c – 2; d – 3; e – 3; f – 3; g – 2.

b) a – 6, b – 10, c – 7, d – 1, e – 3, f – 9, g – 2, h – 8, i – 5,j – 4

c)

to solve (problems)

a digital (computer)

(vacuum) tube

addition and (subtraction)

(division) and multiplication

2 Reading

c)

1 (False). The slide rule is a modern invention.

2. (True).

3. (True).

4. (True).

5. (False). Instructions which are not being executed are usually kept in secondary memory.

6. (False). The use of transistors increased the speed at which calculations were done.

7. (True)

8. (true)

9. (False) Computer ethnology is constantly developing and at a very fast rate.

d) Device, devised, a great deal, mistakes, figure out.

e) Modern, several, cut out, predecessors, obsolete

f)

1- c 6 - g

2 - j 7 - e

3 - h 8 - i

4 - f 9 - a

5 - b 10 - d

g)

Time Primitive times Later 17^th and 18^th centuries 1820 . 1947 now Future

Event Ten fingers of a means hand Abacus invented J. Napier devised mechanical way of multiplying and dividing. Henry Briggs produced logarithm. Newton and Leibnitz invented Calculus. The first calculating machine appeared. Charles Babbage designed The Analytical Engine. The first analog computer was built by Bush. The first digital computer was completed. First use of vacuum tubes in digital computers. Newmann developed ideas of keeping instructions inside memory First-generation computers using vacuum tubes Second-generation computers using transistors Third-generation computers using controlled by tiny integrated circuits Fourth-generation computers reduced in size – microminiaturization by means of chips. Today’s computers will be obsolete

5 Computer Types and Uses

Unit A. Kinds of Computers

1 Vocabulary

a) 1-b, 2-c, 3-a, 4-c, 5-a, 6-b, 7-d, 8-a, 9-b, 10-c

b) 1-c, 2-j, 3- a, 4-f, 5-h, 6-b, 7-i, 8-d, 9-e, 10-g

с) 1-g, 2-b, 3-j, 4-d, 5-c, 6-i, 7-a, 8-f, 9-h, 10-e

2 comparing Computer Types

d)

1 lighter, heavier

2 largest, larger

3 more common, better

4 less powerful, less expensive

5 faster, cheaper

6 more expensive, powerful

f)

1 largest, 2 the most powerful, 3 smaller, 4 most common, 5 less powerful,

6 smaller, 7 largest, 8 small, 9 smaller, 10 small/smallest

3 Listening

a)

a – desktop PC, b – minicomputer, c – laptop, d – mainframe, e – handheld

b) 1-b 2-b 3-a 4-b 5-a

5 Listening

a)

1) The customer wants a computer for:

[v] writing

[ ] graphics

[v] games

[v] Internet

[ ] video

2) A multimedia computer provides:

[v] sound

[v] graphics

[v] animation

[ ] telephone

[v] video

b)

A	B	Device
		multimedia computer
	v	multimedia notebook
	v	subnotebook
		laptop
	v	handheld
		printer
		monitor
	v	modem

Portable Computers

1 Vocabulary

a) 1-b, 2-a, 3-b, 4-a, 5-c,6-b, 7-d, 8-a, 9-c, 10-d

b) 1-i 2-f 3-b 4-j 5-a 6-с 7-g 8-d 9-h 10-e

с) 1-c, 2-d, 3-j, 4- h, 5-a, 6-f, 7-g, 8-i, 9-b, 10-e

2 Reading

a) a-7 b-6 c-1 d-5 e-2 f-4 g-3

c)

1 F

2 F (it has been in development for 20 years according to the text)

3 T

4 T

5 (you could argue that, because the text says it happens after 1/3 second, a fortiori this will be true after 1/2 second)

6 T

7 F

8 F

d)

1 figure out

2 marketed

3 coating

4 coordinates

5 smoothing

6 smoothing

7 crooked

8 errant

9 flick

10 quirk

3 listening

a)

1-T

2-F Palmtops have a small keyboard a stylus or pen to interact with a touch-sensitive screen.

3-F They usually run Palm OS, from Palm Computing or Pocket PC OS.

4-T

5-T

6-F They can transfer information to printers and PCs via cables or infrared link. The software lets you synchronize documents with your desktop PC.

7-T

b)

1 palmtops

2 handheld

3 digital

4 keyboards

5 screens

6 pen

7 systems

8 recognize

9 information

10 modem

Unit B. Computer Uses (1)

b) 1-e, 2-h, 3-a, 4-d, 5-g, 6-b, 7-i, 8-c, 9-j, 10-f

c) 1-d 2-j 3-f 4-a 5-g 6-e 7-h 8-b 9-i 10-с