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XI. Word forms Choose the appropriate word to complete the sentences. Make sure to use the correct form.

  1. operation, operate, operator, operating

a. A computer can perform mathematical … very quickly.

b. One of the first people to note that the computer is malfunctioning is the computer … .

c. The job of a computer … is to … the various machines in a computer installation.

d. The new machines in the computer installation are not yet … .

  1. solution, solve, solvable, solver

a. It may take a lot of time to find a … to a complex problem in programming.

b. A computer can … a problem faster than any human being.

c. A computer has often been referred to as a problem … .

  1. comparison, compare, comparable, comparatively, comparative

a. Renting a computer isn’t … to owning one.

b. Computers can … numbers.

c. There is sometimes very little … to be made between two different brand-name microcomputers.

d. The difference in price of microcomputers from different manufactures can be … small.

XII. Content review a. Match the following words in column A with the statements in column B.

A

B

1. digit

a. a letter, mark or sign

2. program

3. information

b. facts or details that tell you something about a situation

4. device

5. application

c. one of the written signs that represent the number 0 to 9

6. character

d. a group of related parts working together

7. system

e. a set of instructions given to a computer

f. practical purpose for which a machine can be used

g. a piece of equipment for a particular purpose

b. Complete the following statements with appropriate words from the box. (Some can be used more than once.) Make sure you use the correct form, i.e. singular or plural.

program

digit

data

digital

continuous variable

computer

device

information

analog

operation

hybrid

… can be defined as … which accept … in the form of instructions called a … and characters called …, perform mathematical and logical … on the information, and then supply results of these … .

… can be of 3 types: …, … and … . The … … gets its name because the … that are presented to it are made up of a code consisting of … . The … … operates on … . The … system is a computer which has combined the features of both the … and … computers. It is used mainly in scientific research.

XIII. Translate paragraph 2 into Russian after checking the unknown words in the dictionary. Unit 4 Computer Memory

Section A Time management

Think about your typical working day.

1. How long do you spend:

2. How often do you:

  • talking to people?

  • on the phone?

  • working on your own?

  • working with a computer?

  • travelling?

  • work overtime?

  • use English at work?

  • travel abroad on business?

  • have a holiday?

  • entertain customers?

    • a lot of

    • not much

time

  • every

day

week

    • once

a

  • around

  • about

  • less than

  • more than

half my time

  • twice

  • three times

fortnight

month

year

an hour

a

day

two hours

week

3. What time do you start work in the morning?

4. And when do you finish?

5. How do you get to work?

6. How long does it take?

7. What do you do to relax in the evening?

always

usually

sometimes

not often

frequency

hardly ever

never

Section B Language Focus. Modal Verbs and Their Equivalents