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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.
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Name the popular security measures A number of security products covering a broad range of methods are available in the market. Most popular of all the security measures are th
Explain the Real time process control Process control is a real time system. Though this is very different to real time (transaction) processing; this system generally involves
Data logging This technique involves collecting data automatically using sensors; frequently used when doing scientific experiments or monitoring a system.
Using Information in Information System Information Systems can be thought of as being useful at three levels: The detail level where information is used to carry out disc
CODING FOR...WHAT IS THE PROBABILITY THAT A CARD DRAWN FROM A PACK OF 52 CARDS WILL BE A DIAMOND OR A KING .
Distinguish between enhancement mode and depletion mode metal oxide semiconductor field effect transistors giving their characteristics. Ans. Enhancement mode and depleti
WRITE MISS POLICY: Write allocate fetch on write fetch entire block, then write word into block allocate a new block on each writ allocate block, but
The NOR gate output will be low if the two inputs are ? Ans. Output is low if any of the input is high means input may be 01,10 or 11.
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