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Form 1 Computer Studies Questions and Answers: Introduction to Computers Set 1
a)Define ICT.
b)State ways by which ICTs have improved communication.
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1.
Define the term datum? Give an example
2.
With the aid of a diagram, differentiate between analog data and digital data.
3.
For information to be created, data must be processed. Give an example of data and the process done to it to convert it to information.
4.
Give two reasons why laptops are more expensive than desktop computers with the same specifications
5.
Differentiate between computer onboard devices and peripheral devices.
6.
Mention three characteristics of the #4^(th)# generation computers.
7.
Write the following computer abbreviations in full. a) RAM b) CPU c) PC
8.
Identify each of the following wave forms.
9.
Give three advantages of digital over analog data.
10.
Mention three reasons why a calculator is a computer.
11.
Match each of the following technologies with the generation it was developed.
12.
Distinguish between the deletion of characters using the overtype and delete keys.
13.
Computer output may be in several forms. Describe each of the form listed below. -Softcopy -Hardcopy
14.
a)Write acronym UPS in full. b)Explain the uses of UPS.
15.
a)Describe computer booting system b)Explain two ways of booting a computer.
16.
List two toggle keys on a computer keyboard.
17.
State the functions of the following. a)Escape key b)End key
18.
Define the following terms: a)Data b)Information c)Information processing cycle.
19.
a)State three precautions that should be taken to protect data loss in a computer. b)List three causes of computer data loss.
20.
a)List three ways by which computers can be classified. b)Give an example of computer classified under each category
21.
State two characteristics of a mainframe computer.
22.
List three differences between a microcomputer and a super computer.
23.
Differentiate between safety precautions and safety practices in the computer laboratory.
24.
Name two types of microcomputers.
25.
State the difference between RAM and ROM
26.
Mention any three differences between second and third computer generations.
27.
List three ways in which computers are used in education.
28.
Suggest how computers have been made user-friendly to persons that are physically challenged in the following areas. a)Without hands b)Impaired person
29.
a)Define uninterruptable power supply (UPS).
30.
a)Explain two health problems that can be caused by prolonged use of computers. b)For each problem listed in (a) mention one way in which they can be prevented.
31.
Differentiate between general purpose and dedicated computers.
32.
State four ways in which computers are used in the bank.
33.
List three advantages of using robots in industries.
34.
List four categories of computer hardware.
35.
Mention the secondary storage device introduced in the #2^(nd)# to the #5^(th)# generation of computers.
36.
Differentiate between analog and digital computers.
37.
a)Define ICT. b)State ways by which ICTs have improved communication.
38.
a)What is biometric analysis? b)Give two applications of biometric analysis in computing.
39.
a)Define a computer laboratory. b)Why is it advisable to remove shoes when entering a computer laboratory?
40.
With reference to cables, list two reasons why a keyboard may not function correctly.
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