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Comp 110: Introduction To Computer Science November 2011 Question Paper

Comp 110: Introduction To Computer Science November 2011

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2011

COURSE CODE: COMP 110
COURSE TITLE: INTRODUCTION TO COMPUTER
SCIENCE
STREAM: SESSION I

INSTRUCTIONS:
Part-A is compulsory, have30 marks and from Part-B, You can attempt any two questions.
Each questions has 20 marks.

PART-A

QUESTION 1
a) What is a Computer? List the four parts of a computer system. Marks 3

b) What is Computer hardware? Identify four types of computer hardware. Marks 3

c) What is Computer software? Identify four types of computer software. Marks 3

d) What is data? Identify four types of data. Marks 3

e) What is computer memory? List five units of measure for computer memory and storage.
Marks 6
f) Identify two RAM technologies used in PCs. Marks 2

g) List three hardware factors that affect processing speed. Marks 3

h) Identify four connections used to attach devices to a PC. Marks 4

i) Converting (7551)10 its hexadecimal equivalent Marks 3

PART 2

QUESTION 2

a) Convert (10100011)2 binary number in to decimal number. Marks 4

b) Find out the addition of (110101)2 and (101111)2 Marks 3

c) What is application software? List four specific types of application software. Marks 4

d) List the five most common types of computer systems. Marks 5

e) Identify two unique features of supercomputers. Marks 2

f) Name and describe any TWO types of storage devices. Marks 2

QUESTION 3

a) Multiplying (10110)2 with (1101)2 Marks 2

b) Differentiate workstations from personal computers. Marks 4

c) Identify the five key groups on a standard computer keyboard. Marks 5

d) Describe the purpose of a mouse and the role it plays in computing. Marks 2

e) Identify the five essential techniques for using a mouse. Marks 5

f) What is the difference between impact printing and non-impact printing? Marks 2

QUESTION 4

a) Identify three common variants of the mouse. Marks 3

b) List three categories of alternative input devices. Marks 3

c) List two types of optical input devices and describe their uses. Marks 2

d) Describe the uses for speech-recognition systems. Marks 2

e) Identify two types of video input devices and their uses. Marks 2

f) List the two most commonly used types of computer monitors. Marks 2

g)
i) What is meant by the term the term data validation? Marks 2
ii) Explain any FOUR types of validation checks Marks 4

QUESTION 5

a) Explain how a CRT monitor displays images. Marks 2

b) Identify two types of flat-panel monitors and explain their differences. Marks 4

c) List four characteristics you should consider when comparing monitors. Marks 4

d) Explain how a computer outputs sound. Marks 2

e) Explain the two categories of printers. Marks 2

f) List the three most commonly used types of printers. Marks 3

g) Explain the difference between RAM and ROM. Marks 3

Comp 110: Introduction To Computer Science November 2011 Question Paper

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