UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR THE DEGREES OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY/BACHELOR OF BUSINESS INFORMATON
TECHNOLOGY
BIT 01101/ BBIT 01101: FUNDAMENTALS OF COMPUTER SYSTEMS
FULLTIME/ PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: ANSWER QUESTION ONE( COMPULSORY)AND ANY OTHER TWO
QUESTION ONE (20 Marks)
a) Describe the third generation languages giving the features that promote end-user
Computing and examples [5Marks]
b) Describe THREE types of networks giving characteristics of each. [6Marks]
c) Differentiate the following terms:
i. Modulation and Demodulation. [2 Marks]
ii. Data bus and Address bus. [2 Marks]
iii. Digital and Analogue [2 Marks]
d) Differentiate between software and hardware giving examples of each [6Marks]
e) Explain the following abbreviations [3 Marks]
i. ALU
ii. BIOS
iii. ROM
f) Differentiate between the following terms [4Marks]
i. Main memory and Secondary memory
ii. Intranet and Internet
QUESTION TWO (15 Marks)
a) Explain three Network topologies giving advantages and two disadvantages of each
[8Marks]
b) Define Multimedia and explore the application areas of Multimedia [7Marks]
QESTION THREE (15 Marks)
a) Explain the advantages of Networking [6 Marks]
b) Define Assembly Language and discuss its disadvantages [5Marks]
c) Discuss TWO types of files used in an organization [4Marks]
QUESTION FOUR (15 Marks)
a) Discuss the benefits of Preventive Maintenance [6Marks]
b) Describe THREE components of the Computer Motherboard [3 Marks]
c) Convert the following [6Marks]
i. 8610 to Octal
ii. Convert 1516 to binary
iii. B2D16 to Decimal