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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.
Differentiate concurrent and parallel executions ? The words "parallel "and "concurrent" are often used interchangeably, however they are different. Parallel execution is connec
A firewall is Software or hardware used to separate a private network from a public network.
Traffic Capacity is given by? Traffic Capacity = Switching capacity × Theoretical maximum load.
Explain how a node can be inserted into an AVL tree. We can insert a node into an AVL tree through the insertion algorithm for binary search trees in which we compare the key o
A router is used to Distributes information among networks.
Explain the High Level Language? The programming language such as FORTRAN, C, or Pascal that enables a programmer to write programs those are more or less independent of a parti
In a DTMF phone a dialling of 8 generates (A) 1336 Hz- 770 Hz (B) 1209 Hz - 1477 Hz (C) 1209 Hz- 941 Hz (D) 1336 Hz-852 Hz
Task A logically discrete sector of a computational effort. A task is naturally a program or program-like set of instructions that is implemented by a processor. Parallel
State about the machine language programs The computer can run only machine language programs, one needs to translate above programs to machine language programs. To translate
Replacement and substitution: However, equivalences allow us to change one sentence with another without affecting the meaning, it means we know already that replacing one sid
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