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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 an imperative statement? Ans. Shows an action to be performed throughout execution of assembled program is an imperative statement.
What are interacting processes? Interacting processes: The concurrent processes executing into the operating system are cooperating or interacting processes if they can be af
What is meant by common control? In several switching systems, the control subsystem may be an integral part of the switching network itself. This system is termed as direct co
1.Local queue -is a actual queue 2.Cluster queue -is a local queue that is called as throughout a cluster of queue managers 3. Remote queue -structure explaining a queue
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, make sure th
Q. How a Procedure define in Assembly ? Procedure is defined within source code by placing a directive of form: PROC A procedure is terminated using: ENDP The
Assembly directives and pseudo-ops: Assembly directives are which instructions that executed by the assembler at assembly time, not by the CPU at run time. They can build the
shorte note on hardware description language
Q. Write a program to implement OR, NOR, AND and NAND gates using and without using Bit wise operator. The menu should be as follows: I. Using Bit Wise operator II. Withou
What are semaphores? Semaphore : A semaphore is a synchronization tool which gives a general-purpose solution to controlling access to critical sections. It s an abstract data
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