Understanding main issues and details. Compare the three types of a computer and fill in the table: Types of computers Size Power Usage

1. Analyze main issues:

Compare the three types of a computer and fill in the table:

Types of computers	Size	Power	Usage

b. Find correct answers to the questions:

1.Who was the first to built mechanical computer?

2. What did Babbage demonstrate in 1822?

3. What language has become the dominant personal computer language?

4. When were the computers of the first, second, fourth

generation produced?

5. What is the difference between the computers of four

generations?

6. What type of computers is the most suitable for home use?

7. What computer has the biggest memory?

8. What is the smallest class of the computer?

9. What is the fastest class of computers?

c. Give the definition of the following parts of the computer system:

· main memory · output device · input device · storage device

· processor · software · hardware · keyboard

d. Say whether the sentences given below are:

· True:

· False:

· Not given:

1. One of the most important development of this century is the

computer.

2. The basic job of computers is the processing of information.

3. Computers are not used nowadays for many different kinds

of work.

4. A computer can be used to process many different types

of data.

5. More than 140 computer languages are in existence now.

6. A programming language is used to write or formulate

computer programs.

7. FORTRAN was not an instant success; IBM had to promote

its use aggressively.

8. The word computer comes from a Greece word which means to

“count”.

9. In 1986 transistors were invented. They are made from

materials called semiconductors.

10. All programming languages have certain formal structural

features.

2. Analyze the details:

a. Complete the following sentences:

1. He constructed … 2. These computers … 3. It is an interactive language … 4. In 1956 transistors … 5. The second generation computers … 6. A computer can do

a. very little until it is given some information b. were smaller and used less electrical power c. a small working model d. were called the first computers generation e. … were invented f. with easy input/output commands

b. Summarize the information of computers and fill in the table:

The main parts of computers	Peripheral parts of computers

c. Find in the Texts and read information about:

The device that can receive a set of information

The basic idea of a computer

The application of a computer

The dates of invention of different computer generations

A programming language

The first higher-level computer language

The advantages of each generation of computers

d. Match each component with its functions:

Component	Function
1. Storage device 2. Input device 3. Output device 4. Main memory 5. Processor 6. Computer language	a. It displays the processed data b. It holds the programs and data c. It does the processing and controls the peripherals d. It allows data to be entered e. It provides permanent storage f. It expresses and solves computer-based problems

e. Summarize the information about the use of computers nowadays.

Text C.

Text for individual work: read, translate and be ready to do the

Tasks after the text.

Дата добавления: 2015-10-30