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Q. Explain about Instruction Register and Flags?
The Instruction Register: It comprises the operation code (opcode) and addressing mode bits of the instruction. It assists in determining the numerous cycles to be performed and hence determines related micro-operations that are required to be performed.
Flags: Flags are used by CU for determining the status of CPU and the results of a previous ALU operation. For illustration a zero flag if set conveys to control unit that for instruction ISZ (skip subsequent instruction if zero flag is set) the next instruction has to be skipped.
What is the difference between latches and flip-flops based designs Latches are level sensitive whether flip-flops are edge sensitive. So, latch based design and flop based des
Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
What is meant by inter process communication? Inter process Communication: The OS give the means for cooperating processes to communicate with each other through an inter pro
Given a RAID 3 (bit-interleaved parity) with k disks, how well will large block transmits work? How well will it handle a high I/O request rate? Compare the performance to a one di
Granularity In 'Parallel computing', Granularity can be defined as a qualitative assess of the ratio of computation to communication. 1) Coarse Granularity - relatively hug
Convert ASCII code to its BCD equivalent. This can be achieved by simply replacing bits in upper four bits of byte by four zeros. For illustration the ASCII '1' is 32h = 0010B. By
Determine the block diagram of bcd adder To add 0110 to binary sum, we use a second 4-bit binary adder. The two decimal digits, together with input-carry, are first added in to
How can you pass a struct by reference in e? The question is phrased in a tricky way because passing by reference is the default and only possible way to pass structs in e. I
Q. Explain about Asynchronous message passing? In Asynchronous message passing message transmitting and receiving aren't synchronized in space and time. The store and forward
Q. What do you mean by Lock Synchronization? Lock Synchronization: In this method contents of an atom are updated by requester process and sole access is granted before atomic
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