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Comp 121: Introduction To Computer Applications November 2008 Question Paper

Comp 121: Introduction To Computer Applications November 2008

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2008

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

INSTRUCTIONS:
Answer Question ONE and Any Other TWO Questions.

QUESTION ONE (30 marks)
(a) As a beginner working with a computer without the mouse may be too hard. Explain the different
mouse techniques a user should know. (5marks)
(b) Explain how a user can get help information when working with Microsoft PowerPoint? (2marks)
(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? (3marks)
(d) The computer can only manipulate data that is in form of binary. How would the following
numbers be represented in the memory of the computer?
(i) 245 (2ma rks)
(ii) 456 (2ma rks)
(e) Differentiate between save and save As in Microsoft word. (4marks)
(f) Many computer users have problems to understand between data and information. How would you
differentiate between data and information? (2marks)
(g) Explain the process of loading word in windows Xp. (3marks)
(h) Explain the concept of multiprocessing as used in computers. (3marks)
(i) Briefly explain the work of the control unit and the arithmetic logic unit in any CPU. (4marks)
QUESTION TWO (20 marks)
(a) Define a computer giving examples of any two types of computer available today. (4marks)
(b) Briefly explain the concept of machine cycles. (4marks)
(c) Explain the process of opening an existing PowerPoint presentation. (3marks)
(d) Memory is one of the essential parts of a computer system. Explain the two basic types of RAM
that exist. (2marks)
(e) Users consider the mouse of a computer both necessary and unnecessary. Highlight any three
variants of the mouse as used in today’s computers. (3marks)
(f) Briefly explain the two factors that affect the processing speed of a computer. (4marks)
QUESTION THREE (20 marks)
(a) Explain how you can copy text from one document and paste it in another document using the
mouse. (4ma rks)
(b) As a computer helpdesk operator identify any two optical input devices. (2marks)
(c) Explain the two categories in to which printers fall. (2marks)
(d) Briefly explain how a keyboard works (4marks)
(e) What is the use of the toolbars in Microsoft word? (2marks)
(f) Explain the process of creating a mail merge. (6marks)
QUESTION FOUR (20 marks)
(a) What is software piracy? (2marks)
(b) Differentiate between system software and application software. (4marks)
(c) Computer monitor come in different forms. Explain how colored images are displayed in CTR
monitor. (4marks)
(d) You have been given a contract to implement a network in your school briefly explain the
advantages of computer networks (3marks)
(e) Briefly explain any three types of computer memory that exist today. (3marks)
(f) Explain how magnetic storage works. (4marks)
QUESTION FIVE (20 marks)
(a) What do you understand by a computer virus (2marks)
(b) Explain how to create a paragraph in Microsoft word. (2marks)
(c) There are different types of keyboards in the market today and most keyboards have keys arranged
in five groups. Identify these groups. (5marks)
(d) Differentiate between a personal computer and a workstation. (4marks)
(e) Highlight any two devices for the hand. (2marks)
(f) Study the diagram below and identify the following components labeled number 2, 3, 7, 12, 14,
(5marks)

Comp 121: Introduction To Computer Applications November 2008 Question Paper

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