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Form 2 Computer Studies End of Term 3 Examination 2021

Class: Form 2

Subject: Computer Studies

Level: High School

Exam Category: Form 2 End Term 3 Exams

Document Type: Pdf

    

Views: 679     Downloads: 16

Exam Summary


TUTORKE EXAMS
Name…………………………………………………………………. Adm No………………
School…………………………………………………………………Signature…………….
Date…………………

COMPUTER STUDIES
PAPER 1 (Theory) 451/1
TIME: 2HRS END TERM 3 FORM 2 (80 MARKS)

1. a) Define a computer memory (2mks)

b) Give three examples of special purpose memories (3mks)

2. You are provided with the worksheet below study it and answer the questions that follow
1.png
a) If cell Dl represents the total value of books pens and pencils. Determine the formulae for the total value of cell Dl used. (2mks)

b) If the formula of cell Dl is copied to cell D3. Determine resulting value of cell D3 (2mks)

3. a) State the application area of
i) Magnetic ink character recognition (2mks)

ii) Optical mark reader (2mks)

b) Define the terms
i) Byte (2 mks)

ii) Nibble (2mks)

c) List any four objects used in the database (4mks)

d) State any four features of word processor (4mks)

4. Explain the difference between digital and analogue computers. (4mks)

5. a) Explain the difference between Random Access Memory and Read Only Memory (4mks)

b) State in which memory the monitor program would be stored (1mk)

6. Describe the purpose of each of the following computer functional units (4mks)
(a) Control
(b) Storage

7. Explain how each of the following would affect the suitability of a room for use as a computer room. (4mks)

8. Explain two ways in which a computer may be used in efficient running of a hospital (4mks)

9. (a) (i) What is a computer keyboard? (2mks)

ii) List four types of keys found on a computer keyboard. Give an example of each. (4mks)

(b) give four differences between present days’ computers and the older generation of computers (4mks)

10. (i) State three advantages and two disadvantage of using a laser printer (5mks)

(ii) Distinguish between a line printer and page printer (2mks)

11. (i) Define the term spreadsheet (2mk)

(ii) Give two examples of spreadsheet packages available in the market today (2mks)

(c) Explain the following terms as used in a spreadsheet: (3mks)
(i) Cell
(ii) Formula
(iii) Pie Chart

12. (a) What is a disk formatting? (2mks)

(b) Indicate whether the following devices are used for input or output (3mks)
(i) Plotter
(ii) Light pen
(iii) Mouse

13. (a) Explain why the following controls should be implemented for computer based systems (2mks)

(b) For each of the following give one reason why they are not allowed in a computer laboratory. (2mks)
(i) Smoking
(ii) Eating foods

 

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