Use of instruction register and program counter, Computer Engineering

Use of instruction register and program counter:

Q. What is the use of instruction register (IR) and program counter (PC)?

Ans: The instruction register (IR) holds the instruction that is at present being executed .Its output is available to the control circuits which produce the timing signals that control the various processing elements. The program counters PC which is used to keep track of the execution of the program. It has the memory address of the next instruction to be fetched and to execute.

 

Posted Date: 10/13/2012 7:57:56 AM | Location : United States







Related Discussions:- Use of instruction register and program counter, Assignment Help, Ask Question on Use of instruction register and program counter, Get Answer, Expert's Help, Use of instruction register and program counter Discussions

Write discussion on Use of instruction register and program counter
Your posts are moderated
Related Questions
Normal 0 false false false EN-US X-NONE X-NONE Figure: SIMD Organisation

Differences between inter statement and intra statement delay? //define register variables reg a, b, c; //intra assignment delays initial begin a = 0; c = 0;

Q. Describe Program Control Instructions? These instructions specify conditions for altering the sequence of program execution or we can say in other words that the content of

State the optimal route of node Consider the node i which has path length K+1, with the directly preceding node on the path being j. The distance to node i is w(j, i) plus the

State the drawbacks of laptop compared to PC The main disadvantages of laptops compared to desk top PCs are: -  They tend to be more expensive to purchase -  It's easie

Define Grammar of a language. A formal language grammar is a set of formation rules which describe that strings formed from the alphabet of a formal language are syntactically

Q. Open System Interconnection Networking Model? An open system is a model which allows any two different systems to communicate regardless of their underlying architecture. Th

Multiple Instruction and Single Data stream (MISD): In this type of organization multiple processing elements are ordered under the control of multiple control units. Every contro

General purpose register - assembly language: Basic ISA Classes: Accumulator: 1 address add Aacc ←acc + mem [A] Stack: 0 address add to s ←to s+ next G

Explain about the Arithmetic Shift An arithmetic shift micro operation shifts the signed binary number to left or right. The effect of the arithmetic shift left operation is