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Computer Studies Paper 1 (1998-2007) Questions and Answers

Institution: Secondary

Course: Secondary

Content Category: Study Guides

Posted By: paul nyarotso

Document Type: DOCX

Number of Pages: 120

Price: KES 150
 
    

Views: 892     Downloads: 0

Summary

SECTION A (40 MKS)
Answer all the questions in this section in spaces provided.


1. Using a program flowchart explain the “WHILE…DO” interaction construction.
(3mks) 2.
Explain two uses of an uninterruptible power supply unit (2mks)


3. Explain the meaning of BACKUP (2mks)


4. Define an operating system (2mks)


5. State two advantages of electronic spreadsheets over manual worksheets. (2mks)

6. State two roles of a system analyst (2mks)

7.
Define a primary key field
(3mks)
8. State three functions of a database management system (3mks)
9 a) Define local area network
b) State any two components of a local area network

(2mks)

10.
a) State two types of computer output devices
(2mks)

b) State a situation where real time processing would be appropriate. (1mk)


11. State three functions of the central processing Unit (CPU) (3mks)


12. a) Explain the difference between system software and application programs. (2mks)
b) Explain the difference between digital and analogue computers. (2mks)
13. a) Explain the difference Random Access Memory and Read Only Memory
(2mks)
b) State in which memory the monitor program would be stored. (1mk)
14. State the two requirements of computer program testing
(2mks)
......................................


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