Use of instruction register and program counter, Computer Engineering

Assignment Help:

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.

 


Related Discussions:- Use of instruction register and program counter

What is library, What is library? A library is a collection of classes ...

What is library? A library is a collection of classes that are useful in most of the contexts. Classes must have accurate and thorough explanations to help users.

Importance of barrier free design and web accessibility, Problem: (a) ...

Problem: (a) Accessibility can be classified as below: (i) Barrier-free design (ii) Web accessibility. Describe the importance of barrier free design and web accessibi

Examples of input, (i)  Input a single ASCII character into BL register wit...

(i)  Input a single ASCII character into BL register without echo on screen  CODE SEGMENT  MOV AH, 08H;         Function 08H  INT 21H          ;         the character inpu

Explain the fetch cycle, Q. Explain the Fetch Cycle? The beginning of e...

Q. Explain the Fetch Cycle? The beginning of every instruction cycle is the fetch cycle and causes an instruction tobe fetched from memory.   The fetch cycle comprises four

Is it possible to pass data and include program explicitly, Is it possible ...

Is it possible to pass data to and from include programs explicitly? No.  If it is needed to pass data to and from modules it is needed to use subroutines or function modules.

What is the kernel, What is the kernel?          A more common definiti...

What is the kernel?          A more common definition is that the OS is the one program running at all times on the computer ,usually  known as the kernel, with all else being

Explain client server model, Explain Client Server Model. In the client...

Explain Client Server Model. In the client- server model, communication usually takes the form of a request message from the client to the server asking for several works to be

Decoding of slightly encoded micro-instructions, Q. Decoding of slightly en...

Q. Decoding of slightly encoded micro-instructions? Generally micro-programmed control unit designs are neither totally unencoded nor highly encoded. They are slightly coded. T

Fundamental functional units of a computer, Fundamental functional units of...

Fundamental functional units of a computer: QUE. What are the fundamental functional units of a computer? Ans: A computer consists of 5 functionally independent major parts

Can we call reports from interactive reporting lists, Can we call reports ...

Can we call reports and transactions from interactive reporting lists? Yes.  It also permits you to call transactions or other reports from lists.  These programs then use val

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd