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Comp 110: Introduction To Computer Science April 2009 Question Paper

Comp 110: Introduction To Computer Science April 2009

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009

COURSE CODE: COMP 110
COURSE TITLE: INTRODUCTION TO COMPUTER SCIENCE
STREAM: SESSION I
INSTRUCTIONS:
Part-A is compulsory, has 30 marks and from Part-B, You can attempt any two questions. Each
question has 20 marks.
Part-A
a) Explain any four characteristics of computer. Marks 6
b) Explain salient features of Analog, Digital and Hybrid Computers. Marks 6
c) Conversion from Octal to Decimal :
I. (37)8 Marks 3
II. (.74)8 Marks 3
d) What is CPU? Explain its components. Marks 2
e) Differentiate between OPTICAL MARK READER (OMR) and OPTICAL CHARACTER
READER
Marks 2
f) Differentiate between JOYSTICK and TRACK BALL Marks 2
g) What is PRINTER? Explain its types of categories Marks 3
h) What is PLOTTER? List the types plotters.. Marks 3
PART TWO
Question two
a) What is the role of MAGNETIC TAPE? Explain any two advantages and disadvantages.
Marks 4
b) WHAT IS A COMPUTER VIRUS? List all types of viruses. Marks 4
c) Explain any four SYMPTOMS OF A VIRUS . Marks 4
d) Explain any four METHODS OF ELIMINATING VIRUSES. Marks 4
e) What are the Fifth Generation Computers? Do you think these computers would replace Fourth
Generation Computers? Marks 4
Question three
a) What are the applications in which Computer can be used? Brief four applications?
Marks 2
b) Fill in the blanks
I. Time Period of Third Generation Computer was ______________.
II. The processors in mainframe are slower than those in _____________.
III. Speed of mainframes is measured in _______________.
IV. A sequence of instructions is called as __________.
V. Technology used in fifth generation computer is _____________ and ____________
Technologies Marks 5
c) Convert Decimal to Hexadecimal
Integer (8234)10 Marks 4
d) Converting 755110 its hexadecimal equivalent Using Remainder Method
Marks 4
e) Subtracting 1 101 from 101 10 Marks 2
f) Multiplying 111 with 101 Marks 3
Question four
a) Fill in the blanks
I. In binary Systems the left most bit is called ___________ Significant Bit.
II. An alphanumeric code is a binary code of a group of elements consisting of the
____________,
_______________, and a certain number of __________________.
III. Boolean algebra is an algebra that deals with _____________- and ______________.
IV. Each combination of the variables in a truth table is called a ____________.
Marks 4
b) Explain any four concepts of classification of memories. Marks 4
c) What is RAM? List its types. Marks 3
d) What is WORM CD? Marks 2
e) What is a compiler? What are the different tasks of compiler? Marks 4
f) What is an operating system? Explain any two essential functions of O/S. Marks 3
Question five
a) What does BIOS do when you switch on the computer? Marks 2
b) What is a Computer Crimes? List any four types of computer crimes. Marks 4
c) What is an application software? List four specific types of application software.
Marks 4
d) List the two most commonly used types of computer monitors. Marks 2
e) List four characteristics you should consider when comparing monitors.
Marks 4
f) List the four criteria you should consider when evaluating printers. Marks 4

Comp 110: Introduction To Computer Science April 2009 Question Paper

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