Explain relative addressing scheme, Computer Engineering

Assignment Help:

Q. Explain Relative Addressing Scheme?

In this addressing technique the register R is the program counter (PC) which contains the address of current instruction being executed. Operand field A comprises the displacement (negative orpositive) of adata or instruction with respect to current instruction. This addressing scheme has benefits if memory references are nearer to current instruction being executed. (Please refer to the Figure below). 

896_Explain Relative Addressing Scheme.png

Let's give an illustration of Index, Base and Relative addressing techniques. 

Illustration 1: What would be the effective address and operand value for following LOAD instructions?

(i)    LOAD   IA   56 R1 Where IA signifies index addressing and R1 is index register and 56 is the displacement in Hexadecimal.

(ii)   LOAD BA 46 B1 Where BA signifies base addressing and B1 is base register and46 is the displacement specified in instruction in Hexadecimal notation.

(iii)  LOAD RA 36 Where RA signifies relative addressing. 

 The values of memory and registers is given below:

1500_Explain Relative Addressing Scheme1.png

The values are displayed in the below table:

597_Explain Relative Addressing Scheme2.png


Related Discussions:- Explain relative addressing scheme

Define memory allocation scheme in ''external'' fragmentation, The memory a...

The memory allocation scheme subject to “external” fragmentation is? Segmentation is the memory allocation scheme subject to “external” fragmentation.

Describe program control instructions, Q. Describe Program Control Instruct...

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

What is jmx, JMX is native to the Java programming language. As a result, i...

JMX is native to the Java programming language. As a result, it offers natural, efficient, and lightweight management extensions to Java-based functions. It has of a set of specifi

What is literal, Meaning of Literal is:- Literal is string constant.

Meaning of Literal is:- Literal is string constant.

Explain advantages and disadvantages of macro pre-processor, What are the a...

What are the advantages and disadvantages of macro pre-processor? Advantages Any of existing conventional assembler can be improved in this way to incorporate macro proces

Define processor clock, Define processor clock. Processor clock is expl...

Define processor clock. Processor clock is explained as the time periods in which all operations and data transfer within the processor take place.

protects against transcription, The last digit of a credit card number is ...

The last digit of a credit card number is the check digit, which protects against transcription errors like an error in a single digit or switching two digits. The following method

Define the meaning of business-to-business, Define the meaning of business-...

Define the meaning of business-to-business. B2B (business-to-business): The consensus is universal: it is the priority; it is where the money is. It’s rather true; theref

Baic electrical, Ask question #Minimumstate and explain thevenins theorem a...

Ask question #Minimumstate and explain thevenins theorem as applicable to electrical circuits 100 words accepted#

Differentiate between linear and matrix addressing modes, Differentiate bet...

Differentiate between linear addressing and matrix addressing modes with examples. Ans: Linear Addressing: Addressing is the procedure of selecting one of the cells in a

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