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яюGeneral Characteristics of Computers



Computer is an electronic device that performs calculations and processes information. It can handle vast amounts of facts and figures and solve complicated problems at high speeds. The fastest computers are able to process millions of pieces of information in seconds. A computer can process many kinds of information, from book titles and customer account numbers to chemical formulas and words from ancient Greek texts. It handles all such data in the form of numbers. A computer is able to solve problems involving words by changing them into problems dealing with numbers. The ability of a computer to do so many tasks makes it useful for a wide variety of purposes. Industrial plants use computers to control machines that produce chemicals, steel products, and numerous other items. Computers are used as a navigation aid on airplanes, ships, and spacecraft. They also enable scientists to analyze data returned by space probes. Computers can be used as teaching machines. They even provide entertainment in the form of computerized games. Although a computer can do many things, it cannot think. A human operator has to instruct the computer exactly what to do with the data it receives. Such instructions are called a program. Also, the operator must frequently check the performance of the computer and in many cases, interpret the results of the performance. Computers differ greatly in size. The biggest ones have the equipment to fill a large room. The smallest computers can be held in a person s hand. No matter what their size, can be however, all computers have certain basic parts. The typical computer has an input device, such as an electronic keyboard, through which the operator enters instructions and data. A storage unit, also called a memory, receives this information through the input device and holds it until it is needed. A control unit selects the instructions from the memory in their proper sequence and directs the operations of an arithmetic/ logic unit. It processes the data by means of mathematical calculations and operations involving logic. An output device then translates the processed data into a form meaningful to the operator. Typical output equipment includes automatic typewriters, high-speed printers, and visual displays that resemble television screens.



a) State the part of speech of the following words and translate them paying attention to the suffixes.

Calculation - (Noun) @0AG5B

operator - (Noun) >?5@0B>@

variety - (The adjective) @07;8G=K5

analyze - (Noun) 0=0;87

greatly - (The adverb) A8;L=>

arithmetic - (Noun) 0@8D<5B8:0

meaningful - (The adjective) 7=0G8<K9

frequently - (The adverb) @53C;O@=>

logic - (Noun) ;>38:0

typical - (The adjective) B8?>2>9

performance - (Noun) ?@>872>48B5;L=>ABL



b) Translate the following words and word-combinations from fthe text from Ukrainian into English.

@8AB@V9 C2>4C - input device

?@><8A;>2V ?V4?@8T<AB20 - Industrial plants

=0304C20B8 - resemble

74V1=VABL - The ability

=><5@ @0EC=:C :;VT=B0 - customer account numbers

?@>2>48B8 >1G8A;N20==O - performs calculations

?5@52V@OB8 28:>=0==O - check the performance

>1@>1;5=0 V=D>@<0FVO - processed information

EV<VG=V @5G>28=8 - chemical substances

28@VHC20B8 A:;04=V 7040GV - solve complicated tasks



A) State whether the following statements are true or false:

1. A computer handles many kinds of information in the form of letters.

false

2. Basic parts of a computer depend on its size.

false

3. Computers are a great aid for airplanes, ships and spacecraft.

true

4. A computer can do many things as well as thinking.

false

5. One can use a computer as a teacher and play computer games.

true



d) Answer the questions to the text:

1. How quickly can a computer handle vast amounts of facts and figures?

A computer can handle vast amounts of facts and figures and solve complicated problems at high speeds.

2. What are some industrial applications of computers?

Industrial plants use computers to control machines that produce chemicals, steel products, and numerous other items.

3. How does an operator instruct a computer?

A human operator has to instruct the computer exactly what to do with the data it receives. Also, the operator must frequently check the performance of the computer and in many cases, interpret the results of the performance.

4. What are the units of a typical computer?

The typical computer has an input device, such as an electronic keyboard, through which the operator enters instructions and data

5. How does an output device work?

An output device then translates the processed data into a form meaningful to the operator.



e) Translate the text in writing.

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