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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.
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
Design a 4-bit comparator using combinational logic, and Karnaugh Maps. The inputs of the circuit are two 2-bit numbers. a) Construct the truth table given 2-bits inputs A and B, a
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Direct inward dialling is used as a feature in? Direct inward dialling is utilized as a feature in EPABX.
ARQ is transmitted in the event of: (A) Loss of signal (B) Error in received data (C) Improve reliability (D) During time out
To calculate speed up performance various laws have been developed. These laws are discussed here. Amdahl's Law Remember, the speed up factor helps us in knowing the relat
In a for loop, if the condition is missing, then, It is supposed to be present and taken to be true.
explain push and pop?
Graphics adapters: Video card converts digital output from computer into an analog video signal and transmits the signal through a cable to monitor also known as a graphics ca
Constants - first-order logic: Constants are things that is cannot be changed, like as england, black and barbara. So then they stand for one thing only, so that can be confu
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