UNIVERSITY EXAMINATIONS: 2021/2022
EXAMINATION FOR THE CERTIFICATE IN INFORMATION
TECHNOLOGY
CBIT 100: FUNDAMENTAL OF COMPUTING
FULLTIME
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: QUESTION ONE IS COMPULSORY, CHOOSE TWO OTHER
QUESTIONS
QUESTION ONE (20 Marks) Compulsory
a) M-GAS is a petroleum gas supplier. His business has 500 employees who help him in business
operations. He wants to organize and store his business information in a good format that is
easy to read, perform calculations and generate charts.
Required
i) What applications software would you recommend him to use?
ii) Explain the relevance of the software based on the task described above.
iii) Explain why you recommended that software as opposed to creating/developing a
software from scratch.
[6 Marks]
b) Perform the following operations. [6 Marks]
i. 10111002 to Decimal
ii. 56810 to Binary
iii. 1958 to Decimal
c) Define the term computer. [2 Marks]
d) Briefly explain application areas of computers. [6 Marks]
QUESTION TWO (15 Marks)
a) Define the term operating system. [2 Marks]
b) List three operating systems that are used in mobile phones [3 Marks]
c) A good user interfaces makes it easy, convenient and efficient for users to interact with
any computer system. The good user interface makes it easy for users to perform their
tasks without struggling or a high learning curve.
i. Explain any two limitations of Graphical user interface on the modern mobile
phones. [4 Marks]
ii. Based on what you learned about Windows and Linux operating systems
Discuss why windows operating system is more suitable for novice users.
[3 Marks]
d) Differentiate between software and hardware. [3 Marks]
QUESTION THREE (15 Marks)
a) Your younger brother has won a scholarship from KCA University and has been
offered a voucher to purchase a computer for his studies. Kindly explain the factors he
should consider while buying the computer. [10 Marks]
b) Outline 5 benefits of the internet to the society [5 Marks]
QUESTION FOUR (15 Marks)
a) Explain the five Generation of Computers [10 Marks]
b) With the help of a diagram, describe any three main output components of a computer
architecture. [5 Marks]
