UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT 3111: END USER COMPUTING
FULL TIME/ PART TIME/ DISTANCE LEARNING
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: Question ONE IS COMPLUSORY, Choose TWO OTHER Questions
QUESTION ONE (20 MARKS)
a) The operating system is considered a resource manager. Explain five resources that are
managed by the operating system (5 Marks)
b) One of the principle objectives of operating systems is to create virtual machine.
Elaborate what virtual machine means and two advantages of the same (6 Marks)
c) Differentiate between application software and system software with examples
(5 Marks)
d) Outline the basic issues that differentiate ethics and law in end user computing
(4 Marks)
QUESTION TWO (15 MARKS)
a). ICT is an integral part in today’s business operations and transactions. Describe the major
effects that ICT has played in different sectors (6 Marks)
b). Define security threats and expound on theft as a major security threat (5 Marks)
c). Networks are basically critical and play vital roles in today’s business operations.
Expound on some of the reasons why they are needed (4 Marks)
QUESTION THREE (15 MARKS)
a). Explain sources of threats to computer systems and the different threats as well
(6 Marks)
b). Briefly discuss why it is sometimes difficult to implement computer security
(5 Marks)
c). Explain the major symptoms that indicate a virus infection in a computer system
(4 Marks)
QUESTION THREE (15 MARKS)
a). Computer systems have brought more harm than good. Critic this statement with relevant
examples (5 Marks)
b). Briefly explain what you understand by term Disk partitioning and give two reasons why
it is important. (6 Marks)
c). Explain any four safety procedures you would observe when working with your
computer. (4Marks)
