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Comp 121: Introduction To Computer Applications Question Paper

Comp 121: Introduction To Computer Applications

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2010

COURSE CODE: COMP 121
COURSE TITLE: INTRODUCTION TO COMPUTER
APPLICATION
STREAM: SESSION II

INSTRUCTIONS:
Answer Question One and Any Other Two Questions

QUESTION ONE (30 marks)
(a) Define a Computer. Explain in details the characteristics of a computer. (5 marks)
(b) Explain how a user can get help information when working with Microsoft PowerPoint?
(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. (3 marks)
(d) Define the following terms:-
i) Assemblers
ii) Compilers
iii) Linker
iv) Interpreters (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 (4 marks)
(h) Explain the following window components:-
i).Desktop
ii) Recycle bin
iii) Task bar
iv) Start button (4 marks)

(i) Briefly explain the work of the control unit and the arithmetic logic unit in any CPU.
(4 marks)

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 the classification of computers according to capacity (4 marks)

Page 3 of 3

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)

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) Differentiate between simplex and half-duplex mode (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)

Comp 121: Introduction To Computer Applications Question Paper

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