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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.
Give some technical specification for subscriber lines. Subscriber pairs and exchange pairs are interconnected at the MDF through jumpers. The MDF therefore gives a flexible in
State about the Logic Micro-operations These operations are performed on binary data stored in register. For a logic micro-operation each bit of a register is treated as a diff
Accumulator is the register in which Arithmetic and Logic calculations are completed.
What is glitch? What causes this (describe with waveform)? How to overcome this? The gated clock‘s corresponding timing diagram demonstrates that it implementation can lead to
What is micro programmed control? Micro programmed control is a scheme in which control signals are formed by a program same to machine language program.
Laptop computers Laptop computers have the obvious advantage over desk-top computers (PCs) in that they are fully portable. This is of specific value if a user wishes to do wor
Q. What do you mean by Decoders? Decoder transforms one kind of coded information to other form. A decoder has n inputs and one enable line (sort of selection line) and 2 n ou
Chaining: In this method, instead of hashing function value as location we use it as an index into an array of pointers. Every pointer access a chain that holds the element having
Define parity generator During transmission, at sending end the message is applied to a parity generator, where the needed bit is formed.
#questi on.. How it works explain
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