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Computer Applications Question Paper

Computer Applications 

Course:Diploma In Information Technology

Institution: Knec question papers

Exam Year:2004



Answer any FIVE of the following EIGHT questions

1. (a) Outline FIVE advantages of application packages as compared to the in-house programs developed by the organization's programmers. (10 marks)
(b) Explain FIVE factors that the buyer intending to acquire an application package should consider. (10 marks)

2. (a) Explain the following functions of an operating system.
(i) Job scheduling
(ii) Memory allocation and loading of programs
(iii) Interface the user or the operator to the system's hardware. (9 marks)
(b) Explain any THREE characteristics of an operating system. (6 marks)
(c) Define the following service programs
(i) Text Editors
(ii) Loaders
(iii) Language translators (5 marks)

3. (a) List FIVE controls to prevent computer fraud. (5 marks)
(b) Explain the following computer crimes
(i) Theft of computer time
(ii) Hacking
(iii) Sabotage (9 marks)
(c) Outline THREE security measures against each of the following threats to computer security.
(i) Terrorist Attack
(ii) Fire (6 marks)
4. (a) Explain FOUR benefits from the use of internet. (8 marks)
(b) Explain FOUR problems on the internet. (8 marks)
(c) Define the following terms.
(i) Intranets
(ii) Extranets (4 marks)

5. (a) (i) Define the term "Paperless office".
(ii) Explain teo electronic publishing systems. (7 marks)
(b) Explain the stand alone word processors. (3 marks)
(c) Explain the following word-processor facilities
(i) Glossary
(ii) Text Editing
(iii) Line-wrap-around
(iv) Ranner
(v) Bullet (10 marks)

6. (a) Explain the impact of computer technology in
(i) Health care
(ii) Education, Science and Research. (10 marks)
(b) (i) List FOUR services provided by software house. (4 marks)
(ii) Outline THREE data processing facilities provided to clients by computer bureaux. (6 marks)

7. (a) Explain the following schedulers
(i) Short term scheduler
(ii) Intermediate level scheduler. (4 marks)
(b) (i) First in First Out (FIFO)
(ii) Round Robin
(iii) Priority scheduling (9 marks)
(c) Exoplain the THREE operations on processes. (7 marks)

8. (a) (i) Define the term integrated software
(ii) List three characteristics of integrated software. (5 marks)
(b) (i) Explain the term Computer Aided Design
(ii) Outline THREE benefits of Computer Aided Design. (9 marks)
(c) Explain the following techniques used in computer-based manufacturing information systems to support computer integrated manufacturing
(i) Process Control
(ii) Robotics. (6 marks)






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