Tell what sentences are true and what are false. 2. Choose the right answer

1) A computer is a machine with an simple network of elec­tronic circuits that operate switches or magnetize tiny metal cores. 2) The basic idea of a computer is that we can make the ma­chine do what we want by inputting signals. 3) The basic job of computers is choosing of information. 4) The program is a part of computer, which tells the comput­ers what to do. 5) Most computers, whether large or small, have many basic capabilities. 6) Some of the most common methods of inputting information are to use terminals, diskettes, disks and magnetic tapes. 7) A computer can solve a series of problems and make thousands of logical decisions without becoming tired. 8) A computer can replace people in dull, routine tasks and it works without any the instructions given to it.

2. Choose the right answer:

1) The basic idea of a computer is that we can make the ma­chine do what we want by ….

a) outputting signals;

b) outside signals;

c) inputting signals.

2) Computers can be defined as devices which accept information in the form of ….

a) instructions;

b) letters;

c) figures.

3) Computers have … for performing arithmetic op­erations.

a) memory;

b) circuits;

c) brain.

4) The computer's … reads the information into the computer.

a) input device;

b) output device;

c) storage system.

5) For … two common devices used are: a printer and a cathode-ray-tube display.

a) storing information;

b) inputting information;

c) outputting information.

6) A computer can carry out great numbers of arithmetic-logical operations almost ….

a) instantaneously;

b) often;

c) seldom.