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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.
In structure chart whole application is divided into modules (set of program instructions) and modules are designed according to some principles of design. These are: Modularit
Inherent addressing Here the address is already built in to the instruction i.e. inherent to the code ABA ; Add A to B and store the answer in A Simple programs using
The logic circuit given below, converts a binary code y 1 y 2 y 3 into Ans. Gray code is X1 = Y1, X2 = Y1 XOR Y2 , X3 = Y1 XOR Y2 XOR Y3 For
What is a macro ? How it is defined ? Preprocessor' is a translation phase that is applied to source code before the compiler proper gets its hands on it. Generally, th
A full adder logic circuit will have ? Ans. The full adder logic circuit also accounts the carry i/p generated in the earlier stage and it will add two bits. Hence three inputs
Write short note on code optimization. Code optimization: It is the optional phase designed to enhance the intermediate code therefore the Ultimate object program runs quicke
Q. Define HEX directive? HEX: HEX directive enables the coding of hexadecimal values in body of the program. That statement directs assembler to treat tokens in source file wh
DMA controllers in computer system: DMA Controller Part of the I/O device interface DMA Channels Performs functions that in general would be performed by t
a. Explain the future of mobile commerce in world? b. 'Push and Pull' are two ways of transferring information to and from a phone, through WAP. Now, with the help of diagram, s
What is meant by bitwise operations? C has distinction of supporting special operators known as bit wise operators for manipulation of data at bit level. These operators are us
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