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Bbm 102: Introduction To Computer Science Question Paper

Bbm 102: Introduction To Computer Science

Course:Bachelor Of Business Management

Institution: Moi University question papers

Exam Year:2011

MOI UNIVERSITY

UNIVERSITY EXAMINATIONS
2011/2012 ACADEMIC YEAR

FIRST YEAR FIRST SEMESTER EXAMINATION
FOR THE DEGREE OF BACHELOR OF BUSINESS MANAGEMENT

COURSE CODE: BBM 102
COURSE TITLE: INTRODUCTION TO COMPUTER SCIENCE

INSTRUCTIONS TO CANDIDATES:
i. The paper is divided into two sections i.e SECTION A and SECTION B
ii. Answer all questions in SECTION A
iii. Answer any three other questions in SECTION B
iv. Question ONE carries 25 marks and other questions carry 15 marks each.

SECTION A

QUESTION ONE (Compulsory 25 marks)

a. Define a computer system and outline the important applications of computers used in business today (6mks)
b. Draw a sketch of a computer motherboard and name the important components. (5mks)
c. What were some of the major technological developments in the 3rd and 5th generation computers (4mks)
d. Explain five specific applications of computers in business today (5mks)
e. What are the differences between GUI and Text based interface (5mks)

SECTION B

QUESTION TWO (15 Marks)
a. Describe the different input devices that have been designed in order to improve the effectiveness and efficiency of computer systems. Explain the important input controls that would need to be established after computerization of business transactions. (10mks)
b. Describe the concept of machine cycle; explain how it comes about and its importance in business computing. (5mks)

QUESTION THREE (15 Marks)
a. Explain the structure of data presentation in computer memory. Why is the binary system of numbers useful in computer memory? (8mks)
b. Identify the components of the central processing unit in a computer system and explain how it operates. (7mks)

QUESTION FOUR (15 Marks)
a. Differentiate between RAM and ROM (3mks)
b. Give two examples of structured programming language and two exampless of object oriented programming language. (2mks)
c. Name four major classifications of number systems used in computing. (4mks)

d. Describe the process of converting a number in binary system to decimal system using an appropriate example. (6mks)

QUESTION FIVE (15 Marks)
a. Explain the following giving an example in each case
i. System software
ii. Utility software
iii. Application software. (6mks)
b. State any two factors you will consider when selecting
i. Computer hardware
ii. Computer software (4mks)
c. Outline some of the security measures necessary when using computers. (5mks)

QUESTION SIX (15 Marks)
a. Explain the importance of computer networking. (3mks)
b. Name and briefly describe three classifications of computer networks based on geographical span. (6mks)
c. What is network topology? (2mks)
d. With the help of diagrams explain the following network topologies:
i. Star
ii. Ring
iii. Bus (9mks)

Bbm 102: Introduction To Computer Science Question Paper

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