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Explain Direct Memory Access.
A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs the IO device to generate memory addresses and transfer data by the bus using interface controllers.
A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a string of t
Write shorts notes on Digital Signature. This method is used to authenticate the sender of a message. For sign a message, the sender encrypts the message by using a key ident
Program 'preemption' is? Ans. Forced de allocation of the CPU from a program that is executing on the CPU is called preemption program.
What is the basic approach of page replacement? If no frame is free is available, find one that is not currently being used and free it. A frame can be freed by writing its co
Term memory as used in a computer context initially The term memory as used in a computer context initially referred to magnetic core memory devices which were used beginning
flow chart
Explain the importance of Object Oriented Modelling It is important to note that wi t h the growing complexity of systems, significance of modelling techniques increases. Beca
What is the role of MAR and MDR? The MAR (memory address register) is used to hold the address of the location to or from which data are to be transferred and the MDR(memory d
Explain the statement- CRT screen as a two-dimensional matrix One can imagine the CRT screen as a two-dimensional matrix which has m rows and n columns and this is usually ref
Choose one area of rapid technological change in IT or Computer Science and research and report on recent developments and the outlook for the future in the area that you have chos
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