April
    1999 QUESTION 1 (Compulsory) Total Marks: 20 Marks  | 
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| (a) | Define the term external fragmentation. 
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    [2] | 
| (b) | Define the term shell in the context of
    operating systems. 
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    [2] | 
| (c) | Define the term block device. 
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    [2] | 
| (d) | Define the term object code optimization. 
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    [2] | 
| (e) | Define the term archive file. 
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    [2] | 
| (f) | Define the term high hit rate. 
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    [2] | 
| (g) | Define the term folding in the context
    of indirect addressing. 
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    [2] | 
| (h) | Define the term synonym. 
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    [2] | 
| (i) | Define the term overflow data area. 
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    [2] | 
| (j) | Define the term absolute path. 
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    [2] |