Introduction To Computer Applications Question Paper
Introduction To Computer Applications
Course:Bachelor Of Education (Science)
Institution: Kabarak University question papers
Exam Year:2010
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KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2010/2011 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: COMP 121
COURSE TITLE: INTRODUCTION TO COMPUTER
APPLICATIONS
STREAM: Y1 S2
DAY: TUESDAY
TIME: 2.00 – 4.00 P.M
DATE: 30/11/2010
INSTRUCTIONS:
Answer Question One and Any Other Two Questions
PLEASE TURN OVER
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QUESTION ONE (30 marks)
(a) Define a Computer. Explain in details the characteristics of a computer.
(5 marks)
(b) Define data communication. (1 mark)
(c) Interaction between a user and a computer is made possible through both
hardware and software. What is the difference between the hardware and
software. (2 marks)
(d) Explain the classification of computers according to capacity (4 marks)
(e) Differentiate between save and save As in Microsoft word. (3 marks)
(f) Many computer users have problems to understand between data and information.
How would you differentiate between data and information (2 marks)
(g) What are the effects of computer to the society (3 marks)
(h) Discuss the basic elements of a communication system (3 marks)
(i) Briefly explain the work of the control unit and the arithmetic logic unit in any
CPU. (3 marks)
(j) Explain the following window components:-
i).Desktop
ii) Recycle bin
iii) Task bar
iv) My computer (4 marks)
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QUESTION TWO (20 marks)
(a) Differentiate between Moving and copying of files by clearly illustrating how
they are carried out. (4 marks)
(b) Differentiate between system software and application software. (2 marks)
(c) State the functions of the following keys:
i)Enter Key
ii) Tab key
iii)Caps Lock (3 marks)
(d) You have been given a contract to implement a network in your school briefly
explain the advantages of computer networks (2 marks)
(e) What do you understand by a computer virus (1 mark)
(f) Define the internet and explain the services provided by the internet. (4 marks)
(g) Explain all the procedures one follow when sending email. (4 marks)
QUESTION THREE (20 marks)
(a) Explain how you can copy text from one document and paste it in another
document using the mouse. (4 marks)
(b) As a computer helpdesk operator identify any two optical input devices.
(2 marks)
(c) Define the following :-
i) Spreadsheet. (1 mark)
ii) cell (1 mark)
iii) operating system (1 mark)
iv) HTML (1 mark)
(d) Briefly explain how a keyboard works (3 marks)
(e) What is the use of the toolbars in Microsoft word? (1 mark)
(f) Explain the process of creating a mail merge. (6 marks)
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QUESTION FOUR (20 marks)
(a) What is a folder? Describe different ways of creating a folder. (3 marks)
(b) Illustrate the steps followed when renaming a folder. (2 marks)
(c) Explain the process of opening an existing PowerPoint presentation. (3 marks)
(d) Memory is one of the essential parts of a computer system. Explain the two basic
types of RAM that exist. (2 marks)
(e) Explain in details how use of computers can improve Education and training
sector in Kenya giving appropriate examples (6 marks)
(f) Briefly explain the two factors that affect the processing speed of a computer.
(4 marks)
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