Basic operational concepts of a computer, Computer Engineering

Assignment Help:

Basic Operational Concepts of a Computer:

  • Most of computer operations are executed in the ALU (arithmetic and logic unit) of a processor.
  • For an example: to add 2 numbers that are both located in memory.

-          Each number is taken into the processor, and the definite addition is performed by the ALU.

-          Then sum may be stored in memory or retained in the processor for immediate use.

Registers

  • When operands are taken into the processor, they are stored in high-speed storage elements (registers).
  • A register may store 1 piece of data (8-bit registers, 16-bit registers, 32-bit registers, 64-bit registers, etc...)
  • Access times to registers are quicker than access times to the fastest cache unit in the memory hierarchy.

Instructions

  • The Instructions for a processor are declare in the ISA (Instruction Set Architecture)- Level 2
  • Typical instructions include following:
  • Mov BX, LocA

1.      First fetch the instruction

2.      Fetch the contents of  the memory location LocA

3.      Store the contents in general purpose register BX

  • Add AX,BX

1.      Fetch the instruction

2.      Add the contents of registers BX and AX

3.      Place the sum in register AX


Related Discussions:- Basic operational concepts of a computer

What do you mean by first fit, What do you mean by first fit? First fi...

What do you mean by first fit? First fit allocates the first hole that is big enough. Searching can either begin at the beginning of the set of holes or where the last first-f

System analysis and design, write an algorithm on railway reservation ticke...

write an algorithm on railway reservation ticket window

General principles of pruning, General principles of pruning: The gene...

General principles of pruning: The general principles are such that: 1. Given a node N that can be chosen by player one, thus if there is another node, X, along any path,

The number of control lines for a 8 – to – 1 multiplexer, What is the numbe...

What is the number of control lines for a 8 - to - 1 multiplexer ? Ans. There are 3 control lines, for an 8 to 1 Multiplexer. The control signals are utilized to steer any one

Big – endian and little- endian representations, Explain Big - Endian and L...

Explain Big - Endian and Little- Endian representations Ans: The Big- endian is used where lower byte addresses are used for the more significant bytes (leftmost bytes) of the

what is a real time system, A real time system is a computer system that u...

A real time system is a computer system that updates the information at the similar rate it receives it. Real time system is of two types:- a)  Hard real time system and

Human intelligence in culture - artificial intelligence, Human intelligence...

Human intelligence in culture: Understand human intelligence in culture  "AI" can be seen as just the latest tool in the philosopher's toolbox for answering questions about

Does c have circular shift operators, No C don't have circular shift operat...

No C don't have circular shift operator. (Part of the reason why that is the sizes of C's types aren't precisely described----but a circular shift makes most sense when applied to

What is framework, What is framework? Framework is a skeletal structure...

What is framework? Framework is a skeletal structure of a program that must be elaborated to build a complete application. It has abstract classes.

Explain mutual-exclusion implementation with semaphores, Disadvantage and...

Disadvantage and Advantage of mutual-exclusion implementation with semaphores. Disadvantage: Mutual-exclusion solutions specified by semaphores require busy waiting. Tha

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