FORM 1 END OF TERM 3 2022 Exam-COMPUTER Questions And Answers

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COMPUTER STUDIES

FORM ONE

END OF TERM 3 2022

NAME: ………………………………………….…………………….ADMNO:………….CLASS………..

– Answer all the questions in the spaces provided-

Using arrows, match the following generations of computers with the technology which they relied on. (4 marks)

GENERATION TECHNOLOGY

First Generation VLSI

Second Generation Thermionic valves

Third Generation ICs

Fourth Generation Transistors

Give three advantages of the second generation computers. (3 marks)

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Identify three major categories of computer hardware. (3 marks)

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The illustrations below represent two orientations of a very important part of a desktop computer. Study them to answer the questions below:

Name the object represented in the above images. (1 mark)

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Identify the orientations represented in orientations A and B. (2 marks)

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Give four components that are houses inside the object represented in the above images. (2marks)

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5) Give three reasons why a mobile phone is regarded to be a computer (2 marks)

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6. (a) Define the term ‘computer laboratory’ (2 marks)

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(b) Give two factors to be considered when preparing a computer laboratory (2 marks)

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7. a) List down three safety precautions one should observe when entering a computer laboratory (3 marks)

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b). Identify three facilities that will ensure proper ventilation in a room. (3 marks)

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8. State three reasons for warm booting your computer. (3 marks)

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9. (a) State two reasons why a computer needs to be connected to a stable power supply (2 mark)

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(b) List down three functions of the uninterruptible Power Supply (UPS) (3 marks)

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10. Mention two things that are likely to cause strain- in the computer room (3 marks)

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11. (a) What is a peripheral device? (1 mark)

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Give three examples of common peripheral devices. (3 marks)

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12. What is the difference between analog and digital computers? (2 marks)

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13. Give two reasons why smaller computers like laptops tend to be more expensive than desktop computers. (2 marks)

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14. Computers are classified using three criteria namely, functionality, purpose and physical size. In each of these classes, name and describe:

(a) Three types of computers under classification by functionality. (3 marks)

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(b) Three types of computers under classification by purpose. (3 marks)

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15. (a) Explain the meaning of the following mouse techniques:

(i) Clicking (1 mark)

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(ii) Dragging (1 mark)

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(iii) Right clicking (1 mark)

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(b) Describe three categories of keys found on the keyboard. (3 marks)

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(i) Cold booting

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(ii) Warm booting

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(d) Define the following terms: (4 marks)

(i) Information

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(ii) Processing

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(iii) Input

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(iv) Data

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16. (a) i) What is a softcopy output? (1 mark)

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ii) Give four differences between an impact and non-impact printer. (4marks)

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(b) Give five differences between a CRT and flat panel screen. (5 marks)

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17. a) What do the following acronyms mean in full: (2mks)

i) VDU

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ii) LCD

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XGA.

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b). State any five factors to consider when choosing a printer. (5mks)

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c) i) Briefly define a computer bus. (2mks)

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ii) Describe three types of computer buses. (6mks)

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iii) What is a drive? (2mks)

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iv) State four types of computer drives. (4mks)

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