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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.
The number of flip flops contained in IC 7490 is ? Ans. 2 flip flops contained in IC 7490.
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Explain Electrically Erasable Programmable ROM - Computer Memory? The next level of erasability is the EEPROM which able to be erased under software control. This is the most f
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