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Comp 001: Computer Systems And Organization Question Paper

Comp 001: Computer Systems And Organization

Course:Certificate In Computer Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA UNIVERSITY

UNIVERSITY EXAMINATIONS

FIRST YEAR EXAMINATION FOR THE AWARD OF
CERTIFICATE IN COMPUTER SCIENCE

COMP 001: COMPUTER SYSTEMS AND ORGANIZATION

STREAM: CERT COMP (SCI) Y1S1 TIME: 2 HOURS

DAY/DATE: TUESDAY 6/8/2013 8.30 A.M – 10.30 A.M
______________________________________________________________________________
,
INSTRUCTIONS:

• Answer Question ONE in section and any other TWO from section B
• Switch off all mobile phones and PDA

SECTION A:

QUESTION 1 (COMPULSORY)

(a) Explain what you understand by the following terms: (6 marks)

i. Computer software
ii. Data and information
iii. Bit and byte

(b) Explain the difference between the following terms (4 marks)

i. System software and Application software
ii. Random Access Memory and Read Only Memory

(c) With aid of a well labeled diagram explain the information processing cycle (4 marks)

(d) List and explain 3 applications areas of computers in the society today (3 marks)

(e) Highlight 2 major limitations for networking (2 marks)

(f) Discuss the 5 groups of major input device. (5 marks)

(g) What are the negative impacts of computers in the society (3 marks)

(h) Explain the function of system software (3 marks)

SECTION B:

QUESTION TWO

a) Discuss three common types of computer networks used in today’s technology (6 marks)

b) Define utility program and give 4 examples (6 marks)

c) Disk formatting is attained by the operating system; explain the 4 distinct areas that are created by the Operating system when the disk is formatted. (8 marks)

QUESTION THREE

a) Each generation of computer is characterized by a major technological development that fundamentally changed the way computers operate, resulting in increasingly smaller, cheaper, more powerful. Discuss various evolvement of the computers generation (10 marks)
b) You are the I.C.T manager of an organization and you are requested to give the best specification in order to purchase computers. Discuss various characteristics you would recommend to be consider during purchase (5 marks)

c) Explain 5 different area that you think computers have gained great importance in the society today (5 marks)

QUESTION FOUR

a) Explain why software is the most important component in your computer (2 marks)

b) Explain what you understand by the term volatile and non- volatile with regard to computer memory (2 marks)

c) Define utility software and give 4 examples (4 marks)

d) List the 5 major PCs operating system. (3 marks)

e) What are the major limitations of Dos operating system (4 marks)

f) Discuss 3 variation of optical disk technology (5 marks)

QUESTION FIVE

a) Perform the following arithmetic conversion

i. Binary to decimal0111011112 (2 marks)

ii. 11110101010011102 to base 16 (2 marks)
iii. Hexadecimal to binary
2AB16 (2 marks)

iv. Hexadecimal to decimal
2CD16 (2 marks)

b) Outline any 2 reasons for networking (2 marks)

c) Define :- (4 marks)

(i) Computer networks?

(ii) Network topology?

d) With aid of a diagram explain 3 common network topologies (6 marks)

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Comp 001: Computer Systems And Organization Question Paper

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