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Q. Illustrate Layout of Magnetic Disk? Head is a relatively small device capable of reading from or writing to a part of platter rotating beneath it. This gives rise to organiz
What is semaphores? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wa
Question: (a) Primary and secondary memory differs in their way they access data: (i) Mention the four generic access methods usually present in a computer system. (ii) E
Q. Illustrate Memory Read operation? Memory unit receives the address from a register known as the memory address register designated by MAR. Data is transferred to another re
Determine the equivalent Gray code for decimal number 6 ? Ans. The equivalent Gray code for decimal number 6 is 0101 Because the Decimal number 6 is equivalent to binary nu
Q. Explain about Deadlock Avoidance? To prevent deadlocks two kinds of techniques are used: 1) Static prevention: It employs P and V operators in addition to Semaphores to
Permanently resident pages: Every virtual memory systems have memory areas that are "pinned down", for example cannot be swapped out to secondary storage, for instance:
Vliw Architecture Superscalar architecture was designed to develop the speed of the scalar processor. But it has been realized that it is not easy to execute as we discussed pr
With its newer range of PCs IBM introduced 101-key Enhanced/Advanced keyboard. This keyboard is fundamental keyboard behind modern QWERTY keyboards. This has function keys aligned
Obstacles to IS implementation While information systems are now becoming the norm in most organisations the journey to this point has been a difficult one. Even in the 21st c
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