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Computer Applications(Dpba 020) Question Paper

Computer Applications(Dpba 020)

Course:Business Administration

Institution: Kenya Methodist University question papers

Exam Year:2011

TIME : 2 HOURS

Instructions:
Answer question ONE (Compulsory) and any other TWO questions.
Question one
Define the following terms:
Worksheet
Cell
Continuous cells
Formula
Task Bar
(5mks)

Computer memories are classified into two categories. State and briefly describe them and give two examples of each category.
(6mks)
Briefly describe the following input/output devices
Visual Display Unit (V.D.U)
Scanner
Mouse
Give two examples of application software and describe their use.
(4mks)
Describe two key features of each of the four computer generations.
First generation
Second Generation
Third Generation
Fourth Generation
(8mks)
State any characteristics of a good spreadsheet.
(6mks)

Question Two.
Distinguish between the following
Word processor and spreadsheets
Worksheet and work book
Binary number and hexadecimal systems
File and folder
(8mks)
State and briefly explain atleast four accessories that windows provide.
(8mks)
How can one quit a program that’s not responding.
(4mks)

Question Three.
State and briefly explain the five Network Hardware required for LAN.
(15mks)
State the effects of viruses
(5mks)

Question Four.
What characterises a binary system? Explain briefly why it is used to represent data in a computer.
(4mks)
Briefly discuss the first three generations of computer sizes.
(12mks)
Convert the following.
11011 + 11111 binary
4610 to binary
2758 to binary
2AB16 to octal
(4mks)

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