1. Computers (to process) the data and (to give) the results of the
processing in a specified format as information.
2. A standard computer system (to consist) of three main sections: the
Central Processing unit, the main memory and the peripherals.
3. The control unit (to examine) the instructions in the user’s program.
4. The peripherals (to include) storage devices and input/output
devices.
5. Input devices (to enable) data to go into the computer’s memory.
6. The Central Processing Unit (to execute) programs and (to
coordinate) the activities of all the other units.
II. Put the following sentences into interrogative and negative forms:
1. The control unit controls all the other units in the computer system.
2. Input devices allow us to enter information into the computer.
3. We interact with computers by entering instructions and data into
them.
4. A scanner converts text or pictures into electronic codes
Make questions to the underlined words:
1. To operate a joystick, the user grips and moves a vertical lever.
2. Storage devices provide a permanent storage of both data and
programs.
3. Output devices enable us to extract the finished product from the
system .
4. Computers do 500 000 sums per second.
5. He spends much time in the library to make a report.
