Direct addressing and immediate addressing mode , Computer Engineering

Assignment Help:

Direct Addressing and  Immediate Addressing mode - computer architecture:

 Immediate Addressing:

It is the simplest form of addressing. Here, the operand is itself given in the instruction. This mode is used to define constant or set primary values of variables. The benefit of this mode is that no memory reference rather than instruction fetch is needed to obtain operand. The disadvantage of it is that the size of the number is restricted to the size of the address field, in which most of the instruction sets is small compared to word length.

Direct Addressing:

Effective address of the operand is given in the address field of the instruction in the case of direct addressing mode. It need one memory reference to read the operand from the given location and provides only a restricted address space. Length of the address field is typically less than the word length.

For Example: Move P, Ro, Add Q, Ro P and Q are the address of operand. Indirect 

 

 


Related Discussions:- Direct addressing and immediate addressing mode

Hill climbing - artificial intelligence, Hill Climbing - Artificial Intelli...

Hill Climbing - Artificial Intelligence: As we've seen, in some problems, finding the search path from primary to goal state is the point of the exercise. In other problems, t

Describe the term- system analyst design, Describe the term- System analyst...

Describe the term- System analyst Design Once analysis has taken place and systems analyst has some idea of the scale of problem and what needs to be done, subsequent stage is

what is code for adding two integers in java?, import java.util.Scanner;  ...

import java.util.Scanner;   class AddNumbers {    public static void main(String args[])    {       int x, y, z;       System.out.println("Enter two integers to calculate their sum

Not dragged and dropped onto the form, I have to make a quiz machine progra...

I have to make a quiz machine program in in Visual Basic with the following: A menu strip that must be formed programmatically (ie NOT dragged and dropped onto the form). There

Representation scheme in ai, Representation scheme in AI: • It's fairl...

Representation scheme in AI: • It's fairly trouble-free to represent knowledge in this way. It allows us to be expressive enough to represent largely knowledge, while being co

Illustrate why does a tea kettle sing, Q. Illustrate why does a tea kettle ...

Q. Illustrate why does a tea kettle sing? Answer:- There is a little attachment with a hole in it which acts as a whistle. It is inserted into the spout of the kettle as w

Difference between the testing and verification, Difference between the tes...

Difference between the testing and verification. Verification proves conformance with a specification. Testing tries to find cases where the system does not meet its specifi

Main characteristics of horizontal organizational structure, What are the m...

What are the main characteristics of Horizontal Organizational Structure? Horizontal Organization’s main characteristics are given below: The work is structured all aroun

What is cable modem, Q What is Cable Modem? One more way of accessing I...

Q What is Cable Modem? One more way of accessing Internet currently being developed is use of cable modems. These require that you subscribe to a cable service as well as allow

Which transmission mode is used for data communication, Which transmission ...

Which transmission mode is used for data communication along telephone lines? Serial transmission mode is utilized for data communication along telephone lines.

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