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Cms 100: Introduction To Information Systems. Question Paper

Cms 100: Introduction To Information Systems.

Course:Bachelor Of Commerce

Institution: Kca University question papers

Exam Year:2009

1
UNIVERSITY EXAMINATIONS: 2008/2009
THIRD YEAR STAGE 1 EXAMINATION FOR THE DEGREE OF
BACHELOR OF COMMERCE
CMS 100: INTRODUCTION TO INFORMATION SYSTEMS. (SUNDAY CLASS)
DATE: APRIL 2009 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions
QUESTION ONE
a) What is a computer? (1 Mark)
b) Describe the various computer generations taking into account the key hardware and software
technologies used. (10 Marks)
c) Differentiate between
i. A Mainframe computer and a work station (2 Marks)
ii. Input and output devices (2 Marks)
d) What are the five basic operations performed by any computer system?
(5 Marks)
e) The increasing popularity of computers has proved that it is a very powerful and useful tool.
The power and usefulness of this popular tool are mainly due to its characteristics. Identify
these characteristics. (10 Marks)
QUESTION TWO
a) Describe the two basic components of the central processing unit giving their functions.
(4 Marks)
2
b) Differentiate between (i) CISC and RISC types of processors (ii) Parallel and array design
(4 Marks)
c) What is a register? (2 Marks)
d) Relatively, compare any two types of computers based on size, processing power, main
memory capacity, hard disk storage and display facility. (10 Marks)
QUESTION THREE
a) Discuss the functions of the operating system (10 Marks)
b) Discuss how the following programs are useful to you in your workplace.
i) Ms Word
ii) Ms Excel
iii) Ms PowerPoint
iv) Ms Access (8 Marks)
c) Give two examples of system software (2 Marks)
QUESTION FOUR
a) An organization is interested in buying a printer. What factors should they consider when buying
the printer? (10 Marks)
b) Explain THREE examples of input devices and THREE examples of output devices (6 Marks)
c) Explain TWO limitations of primary storage of a computer system (4 Marks)
QUESTION FIVE
a) Define the term number systems? (2 Marks)
b) When dealing with number systems, we consider the Radix. What do you understand by the
term radix? (2 Marks)
c) Describe any TWO types of number systems. (4 Marks)
d) Convert the following binary numbers into decimal numbers.
i. 1011.101
ii. 1100111.01012 (6 Marks)
e) Convert the following decimal numbers to binary equivalents
i. 999.46810
ii. 361.4410 (6 Marks)

Cms 100: Introduction To Information Systems. Question Paper

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