Complete the table, using the information from the text above and other resources.

How can be computers used in different spheres of social life?

Spheres of social life	The purpose of application
Army and defense	to conduct trainings, to detect enemy’s objects
Banking
Business
Education
Government affairs
Medicine
Science
Shopping
Transportation
Travelling

4. Use collocations from the box to complete these sentences:

transfer money give presentations make calls access the Internet store information perform operations make a backup display data

1. Thanks to Wi-Fi it’s now easy to __________ from restaurants, bus stations and other public places.

2. Online banking lets you __________ between your accounts easily and securely.

3. Skype is a technology that enables users to__________over the Internet for free.

4. In many universities, students are encouraged to_________ using PowerPoint in order to make their talks more visually attractive.

5. Cookies allow a website to __________ on a user's machine and later retrieve it; when you visit the website again, it remembers your preferences.

6. The arithmetic and logic unit (ALU)________ arithmetic and logical ________.

7. The first rule of data storage is to _________ of all important files.

8. A monitor accepts video signals from a computer and ________ on a screen.

5. Read and translate the text:

The evolution of computers

It is very hard to believe but computer's era begins in ancient times. The first mechanical devices that somewhat can be called a limited function computers appeared in 2500 BC. Well, Sumerian abacus cannot be called a real computer, but its goal was helping in various calculations. The slide rule that can be called a mechanical analog computer appeared in 1620. Looking deeply in the ancient history many interesting and useful machines, that can be referred as primitive computers can be found. There were machines which calculated the astronomical positions of stellar bodies.

The main idea is that the human is such a creature, whose aim is to create some devices to help him solving various problems. The main aim of every computer is to help us in calculations. The definition of the "computer" says that a computer is a programmable machine designed to automatically carry out a sequence of arithmetic or logical operations. The history of computer generations is very interesting field to explore, because since the 1946, when first real computers were created, they have evolved very rapidly.

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<== попередня сторінка	\|	наступна сторінка ==>
Use of Computers in Everyday Life	\|	The First Generation: Vacuum Tubes

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