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Computer Applications(Dhtm 064) Question Paper

Computer Applications(Dhtm 064)

Course:Education

Institution: Kenya Methodist University question papers

Exam Year:2012

TIME : 2 HOURS

Instruction:
Answer any FOUR questions.
Question One
Discuss the impact of computers in hospitality and tourism industry.
(10mks)
Describe two major data processing methods with examples.
(5mks)

Question Two
What are the three general functions of input units?
(6mks)
Describe the four functional areas of computer’s main memory. (9mks)

Question Three
State and explain three types of micro-computers.
(6mks)
Define computer architecture
(2mks)
"System memory is realized as hierarchy of memory components with differing speeds" Discuss.
(7mks)

Question Four
Discuss the operation steps of a given instruction.
(10mks)
Explain the instruction below:
Add R1, R2, R3 (5mks)

Question Five
Define the following terms
Compiler
(2mks)
Text editor
(2mks)
Application software
(3mks)
Buffer register.
(2mks)
State and explain THREE types of operating systems.
(6mks)

Question Six
Discuss the main characteristics of a database.
(10mks)
"For best performance, its necessary to design the compiler, the machine instruction set and the hardware in a coordinated way" how is this one achieved?
(5mks)

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