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Introduction To Ict And Ethics Question Paper
Introduction To Ict And Ethics
Course:
Institution: Kenya Industrial Training Institute question papers
Exam Year:2011
KENYA INDUSTRIAL TRAINING INSTITUTE
DICT MODULE I
Term 2 End term Exam
INTRODUCTION TO ICT AND ETHICS
October 2011 Time Allowed: 1 hour
Answer ALL Questions
1. A) Distinguish between information technology and communication
technology.
b) A computer clock rate is the frequency at which a computer can execute a
set of instructions.
i) State the units used to measure the computer clock rate (2marks)
ii) Explain two types of speed that should be considered when evaluating the performance of a computer system. (4marks)
c) Describe the functions of the following key strokes. (4marks)
a) Ctrl + A
b) shift + Del
c) Ctrl + V
d) Ctrl + Home
2. a) A computer system is made up of the following components.
Central Processing Unit
Main Memory
Input Devices
Output Devices
Secondary Storage devices
Required: Draw a block diagram to illustrate the flow of data between the above components. (5marks)
b) i) Name three pointing peripheral devices (3marks)
ii) Briefly explain why a computer motherboard is made of substance called fibre glass. (2marks)
3. a) Flash Outdoor advertising Ltd intends to buy an output device to be used
in producing posters to be placed on billboards.
i) Citing an example, advice the company on the device to buy.
(3marks)
ii) List two examples of softcopy output devices (2marks)
iii) Identify the type of output that indicates the working status of devices such as the hard disk. (2marks)
b) i) Define the term USB. (1mark)
ii) State two advantages of having a USB port on your personal computer
(2marks)
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