Read the questions and circle the correct answer.

1. A computer is an electronic device that computes, so what makes a computer different from other electronic devices? a) ability to process data; b) ability to store its own instructions; c) ability to repeat operations

2. What operations does the ALU execute? a) retrieves instructions ; b) makes logical comparisons; c) temporarily stores data;

3. How does a computer know what operation to perform? a) using its instructions ; b) asking for advice; c) just carrying out calculations

4. What are registers? a) units of instructions; b) logical comparisons operations; c) high-speed storage areas

5. Clock speed is measured in a) bytes b) (mega)hertz c) meters d) bits

Match the words with their synonyms.

1) distinguish; 2) calculation; 3) execute; 4) area; 5)via; 6) affect; 7) operate; 8)pulse

a) by means of; b) mark out; c) room, space; d) (о машине) run; e) fulfill; f) computation; g) influence, impact

Read the sentences choosing the correct word in bold type.

1. A computer is an electronic device that helps with processing data. 2. Mathematical calculations are fulfilled in the ALU. 3. Machine cycle time is influenced by the clock oscillator rate. 4. The clock oscillator generates electronic pulses at a predetermined speed. 5. The control unit accesses program instructions one by one.

Give the Russian equivalents.

1) retrieve; 2) various; 3) range; 4) control; 5) accomplish; 6) various; 7) computer clock

Find the answers to the questions.

1. What component of the computer accomplishes logical comparisons? 2. Where are programs held before they get to the registers? 3. Is a CPU a peripheral device? 4. Where are mathematical computations and logical comparisons executed? 5. Where is data held just before it is processed?

<== попередня сторінка	\|	наступна сторінка ==>
Text D: Categories of information-processing tasks	\|	Text B: Data Processing Means

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