Saturday, March 23, 2013

Computer hardware - introduction

Computer hardware - introduction

 

Description: The physical components of a computer system, including the peripherals.

Term: ………………………………………………

 

For each of the following devices ring whether it gives an analogue or digital output.

Device

Type of output

joystick fire button

analogue

digital

sundial

analogue

digital

radio loudspeaker

analogue

digital

Computer hardware - introduction

The parts of a computer system

The diagram shows a typical micro computer system. Using the words secondary storage, input, cpu, output complete the following table. One of the words is used twice.

Label

Description

A

Output

B

C

D

E

Many electrical devices at home and at work now contain microprocessors.

(a) Name four devices that are now likely to contain microprocessors.

(b) Using microprocessors in electrical devices will change the way these devices are designed, manufactured and repaired. Describe these changes.

(i) Design.

(ii) Manufacture.

(iii) Repair.

(c) The terms microprocessor and microcomputer are often confused. What are the differences?

 

Computer hardware - introduction 2

The components of a mainframe system

Write down the names of the units marked A, B, C, D, E and F in the diagram of a mainframe computer system using the following words:

Line printer; Magnetic tapes; Magnetic disc drives; Main processor; Terminals; Operator's console.