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Question:
(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.
(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered necessary.
(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.
(d) Briefly describe the four factors that affect the performance of a monitor.
(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.
Procedure The only difference between e-commerce and conventional commerce is that goods in e-commerce are purchased over the internet using a credit card. Also buying and sel
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Define the Process of dynamic modelling: Analyse applicability of actions Recognize object states Create dynamic model diagram Express every state in terms o
Speicified the following piece of code: int i = 1; int j = 4; while (i { if (i%3 == 0) i+=3; else i+=4; if (j%2 == 0) j*=4; els
Program: This program compares a pair of characters entered by keyboard. ; Registers used: AX, BX, CX, DX DATA SEGMENT XX DB?
Why does DMA have priority over the CPU when both request a memory transfer? The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included o
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
The OS of a computer might be periodically collect all the free memory space to form contiguous block of free space. Garbage collection
A sorted file having 16 items. Using binary search, the maximum number of comparisons to find for an item in this file is The maximum number of comparison is 4
What are Multidimensional Arrays? Multidimensional array: Multidimensional arrays can be defined as "arrays of arrays". For example, a bidimensional array can be fictional as a
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