Computer Studies Paper 1 Form 3 End of Term 1 Examination 2019

Class: Form 3

Subject: Computer Studies

Level: High School

Exam Category: Form 3 End Term 1 Exams

Document Type: Pdf

    

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Exam Summary


Computer Studies Paper 1 Form 3 End of Term 1 Examination 2019
This file contains questions and the Marking scheme in it. Below is a preview of the questions,download to get the whole document



SECTION A (40 MARKS)
Answer all the questions in this section
1. a) Explain the role of the following
i) Computer programmer. (4mks)



ii) Software engineer (1mk)


b) i) What is electronic point of sale terminal? (1mk)


ii) Explain two advantages of using this system. (2mks)



iii) Give an application area of this system. (1mk)


2. Explain the purposes of the following files.
a) Back up (1mk)


b) Reference (1mk)


3. a) Perform the following binary arithmetic giving the answer in decimal notation. (2mks)
11101.011 + 111.111



b) State two application areas of virtual reality. (2mks)



4. Describe the following human computer interfaces (3mks)
a) Graphical User Interface

 

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