Illustrate the accumulator architecture, Computer Engineering

Assignment Help:

Accumulator Architecture: An accumulator is anespecially designated register which supplies one instruction operand and receives result. Instructions in such machines are usually one-address instructions. The most common early architectures were DEC PDP-8, IBM 7090 etc.

On an Accumulator machine 'C = A + B'can be implemented as:

        LOAD A        // Load memory location A in accumulator

        ADD B          // Add memory location B to accumulator

        STORE C     // Store accumulator value in memory location C

Accumulator Architecture: Pros and Cons

  • Implicit use of accumulator saves instruction bits
  • Result is ready for immediate reuse however has to be saved in memory if subsequent computation doesn't use it right away.
  • More memory accesses needed than stack. Consider a program to do expression:

        A = B * C + D * E.

2162_Illustrate the Accumulator Architecture.png


Related Discussions:- Illustrate the accumulator architecture

List the acid properties, a. List the ACID properties. Describe the usefuln...

a. List the ACID properties. Describe the usefulness of each. b. During its implementation, a transaction passes by several states, until it finally commits or aborts. List all

Convert, haw to convert context free grammar to regular grammar

haw to convert context free grammar to regular grammar

Total number of registers in a cpu, Q. Total number of registers in a CPU? ...

Q. Total number of registers in a CPU? Factors to consider when choosing total number of registers in a CPU are:  CPU can access registers faster than it can access m

Show the features of collaboration systems, Q. What are basic features that...

Q. What are basic features that collaboration systems might have? ANSWER: Three basic features of collaboration systems are Web-conferencing, project management,

What is a resource-allocation graph, What is a resource-allocation graph? ...

What is a resource-allocation graph? Deadlocks can be described more precisely in terms of a directed graph known as a system resource allocation graph. This graph having of a

Explain about local area network, Q. Explain about Local Area Network? ...

Q. Explain about Local Area Network? Local Area Network (LAN):  It is privately owned communication systems that cover up a small area, say a complex of buildings or school. Le

What is an on"*-input filed" statement, What is an on"*-input filed" statem...

What is an on"*-input filed" statement? ON *-INPUT The ABAP/4 module is known as if the user has entered the "*" in the first character of the field, and the field has th

Single bus structures, Single BUS STRUCTURES : The Bus structure and ...

Single BUS STRUCTURES : The Bus structure and multiple bus structures are kinds of bus or computing. A bus is fundamentally a subsystem which transfers data amongst the compo

.image forgery detection, what is the code to detect image forgery using Ma...

what is the code to detect image forgery using Matlab..??

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