Read these slogans or quotations, and say what computer element they refer to.

Date: 2015-10-07; view: 1480.

Read and guess.

OUTPUT Central Processing Unit

Result

on the monitor or in printed form

1 The brain of the computer.

2 Physical parts that make up a computer system.

3 Programs which can be used on a particular computer system.

4 'Pile information which is presented to the computer.

5 Results produced by a computer.

6 Hardware equipment attached to the CPU.

7 Visual display unit.

8 Small device used to store information. Same as 'diskette'.

9 Any socket or channel in a computer system into which an input/output device may be connected.

1 a) 'Point and click here for power.'

b) 'Obeys every impulse as if it were an extension of your hand.'

2 a) 'Displays your ideas with perfect brilliance.'

b) 'Sec the difference - sharp images and a fantastic range of colours.'

3 a)'I love this drive. It's quiet and fast.'

b) 'With this it's easy to back up your data before it's too late.'

4 a) 'Power and speed on the inside.'

b) 'Let your computer's brain do the work.'

5 a) '... a big impact on the production of text and graphics.'

b) 'Your choice: a laser powerhouse.'

6 a) 'Your fingers will hardly know they're working.'

b) 'Choose a full 105-key layout, and type with efficiency.'

5. Agree or disagree with the following statements, make the false ones true:

1. The CPU directs and coordinates the activities taking place within the computer system.

2. The Arithmetic Logic Unit performs calculations on the data.

3. RAM, ROM and secondary memory are the components of the main memory.

4. Information cannot be processed by the microprocessor if it is not loaded into the main memory.

5. “Permanent” storage of information is provided by RAM.

6. Minicomputers can handle large amounts of information very quickly, can be used by many people at the same time and usually fill a whole room.

7. Keyboard and monitor are input devices.

LISTENING SKILLS

Ø Listen to a short lecture given by John Griffiths, an expert on computer systems. As you listen, label the pictures on the next page with these words:

microcomputer (portable) microcomputer (desktop PC) mainframe minicomputer

Ø Listen again and put a tick next to the correct answer.

1. According to the speaker:

a) a mainframe computer is less powerful than a minicomputer.

b) a mainframe is more powerful than a minicomputer.

c) a mainframe is not very powerful but can

execute jobs very rapidly.

2 Mainframe computers arc used by:

a) students and teachers in schools.

b) executives and businessmen.

c) large organizations that need to

process enormous amounts of data.

3 'Multitasking' means:

a) access to a minicomputer through terminals.

b) doing a number of tasks at the same time.

c) connection to a 'host' computer by a network

so that many users have access to data

and programs.

4 The most suitable computers for home use are:

a) mainframes.

b) minicomputers.

c) microcomputers (PCs).

5 The smallest and least powerful computers are

known as:

a) minicomputers.

b) desktop PCs.

c) laptops and notebook computers.

DISCUSSION