Introduction To Computer And Computing Question Paper
Introduction To Computer And Computing
Course:Bachelor Of Science In Computer Science
Institution: Rongo University question papers
Exam Year:2015
INSTRUCTIONS
1.Do not write anything on this question paper.
2.Answer question ONE ( compulsory) and any other TWO questions of your choice from
the remaining.
QUESTION ONE (COMPULSORY)
(a) The Central Processing Unit (CPU) is considered as the heart of the computer
system.The CPU basically consists of the control unit, arithmetic logic unit
and main memory.
i.Describe the functions of each of the above listed component of the CPU
(8marks)
ii. Using a diagram,illustrate the stucture of a computer system (6marks)
(b) Application software are the most crucial as far an organization`s operations are concerned.They are the ones that assist in generating additional profits by providing the information that is required for making appropriate decisions by
management.
i. Define the term "application software; and list two examples of the
application software (2 marks)
ii. Name and describe five common mistakes that are likely to occur when an
organization is selecting software for the first time. (10 marks)
(c) Describe the functional characteristics and applicability of the following
i. RAM (2 marks)
ii. ROM (2 marks)
QUESTION TWO
(a) You have been asked by Kodero Bara secondary school ta assist them in
selecting a microcomputer for their use.Briefly explain four hardware
cahracteristics you would use to select the suitable computer.
(b)Briefly explain the need for the following devices in computer sytems
i. Immediate access memory
ii. Input devices
iii. Output devices
(c) Is the use and application of computers essential in managing businesses
(6marks)
QUESTION THREE
(a) Explain the following computer operations (4marks)
i) Cut and paste
ii) Copy and paste
(b) i. Define computer network. (2 marks)
ii. Discuss any three types of computer networks. (6 marks)
(c) Outline two main printing technologies and give and example for each
technology. (4 marks)
(d) Explain the functions of the following keys on the keyboard (4 marks)
i. CAPSLOCK
ii. ENTER
iii. BACKSPACE
iv. DELETE
QUESTION FOUR
(a)i. Technolgy is the basis of computer classification.Based on this, explain
briefly the difference between the first two computer generations (4 marks)
ii.Discuss the major developments in the fourth and fifth generation of
computers. (4 marks)
(b) State three methods of classifying computers.In each case,list the different
types of computers, and briefly explain where each type is most commonly used.
(6 marks)
(c) Briefly explain how a computer differs from a simple calculator. (6 marks)
QUESTION FIVE
(a) Explain the meaning of the following terms associated with the use of a mouse.
(4 marks)
i). Clicking.
ii). Double-clicking.
iii). Right-clcking.
iv). Drag and drop.
(b) Explain three things that can spoil a printer if they are not of the correct
specificaation, and explain what damage may be caused. (6 marks)
(c) i)What is a computer bus? ( 1 mark)
ii)Explain the functions of the following computer bus (6 marks)
.Data bus
.Address bus
.Control bus
(d) Explain three advantages of using computers for data processing over other
types of office and business equipment. (3 marks)
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