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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.
A shell is a program that presents an interface to several operating system functions and services. The shell is so called because it is an outer layer of interface among the user
Used to interrupt CPU normal implementation routine and to get its attention .Mostly generated by an external devices, timers, counters...etc
Suppose there are 2 copies of resource A, 3 copies of resource B, and 3 copies of resource C. Suppose further that process 1 holds one unit of resources B and C and is waiting for
Address phase timing: On the rising edge of clock 0, the initiator notes IRDY # and FRAME# both high, and GNT# low, so it drives the command, address and asserts FRAME# in tim
i want to make an assignment about kirchoff''s law
Intuitively Simple - User Friendliness This is the degree to which the system operates in congruence with human operation, in effect the machine does what we naturally think i
Describe in brief the history of E-Commerce. History of E-commerce. E-commerce started before personal computers were prevalent and has grown into a multi-billion d
What is the difference among super class and subclass in programming? Ans) A super class is a class that is inherited in programming while the sub class is a class that does th
Explain the mechanidm of the rusting of iron on the basis of electrochemical corrosion?
Q. How do you split Hydrogen and Oxygen gases in industrial electrolysis of water process? Answer:- In oxygen, electrolysis and hydrogen gas are produced at different elec
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