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Instructions for an examination held at the manchester metropolitan university in 1999/2000 for students enrolled in bsc (hons) information technology and bsc (hons) computer and network technology. The examination covers unit 64ee1046: introduction to computer systems and includes questions related to the nature of a pc, binary and decimal number representation, input devices, microprocessors, and computer types.
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Examination for the BSc (HONS) INFORMATION TECHNOLOGY (FULL-TIME/SANDWICH) BSc (HONS) COMPUTER AND NETWORK TECHNOLOGY YEAR ONE
Thursday 18 May 2000
2.00 pm to 5.00 pm
Instructions to Candidates
Answer FIVE questions.
An ASCII table is provided.
02/09/02 continued
Write them an explanation of the nature of a P.C. and what you would expect to have in the package that you buy. Relate this to their question about the family history.
Credit will be given for a thorough explanation pitched at the level of knowledge indicated by their letter. [20]
a) Discuss in what sense it only stores 1s and 0s and how it stores larger values. [4]
b) Discuss the storage of text and pictures. [6]
c) Give examples of how the computer can process: (i) numbers; (ii) text; (iii) pictures. [10]
b) Name and describe briefly four functions of an operating system. [12]
c) ‘Windows’ is expensive, Linux is ‘free’. Why has Linux not replaced ‘Windows’on PCs? [4]
b) In Figure Q8 identify the gates A, B and C and write down their truth tables. [9]
c) Express the output Z in term of the inputs P, Q and R. Draw the truth table for Z. [7]
C
B
A
P Q R
Z
Figure Q
