Tahmouress Sadeghi – Components of Computer System

In this blog Tahmouress Sadeghi explains about components of computer system. To know about it read the blog below.

A ADPS consists of varied hardware parts. every element plays a selected role in ADPS. These parts ar interconnected to every alternative in such the simplest way in order that the pc will perform its functions.

Processor:

Processor is that the main element of a ADPS. It controls the operations of the pc and co-ordinates the opposite parts of the pc. It performs all the functions in line with the program directions. It decodes and executes the directions. it’s thought of the brain of the pc. It contains variety of special-purpose registers and Arithmetic Logic Unit (ALU). A electronic equipment ADPS consists of 1 or additional processors. once there’s just one processor in a very ADPS, it’s usually referred to as the Central process Unit (CPU).

Main Memory:

Programs and information should be loaded into the most -memory of the pc before their execution. the most a part of software package is additionally loaded into the most memory throughout booting method of the pc. the most memory, may be a temporary storage of the pc. Main memory is additionally referred to as primary memory. If the pc is termination or power is suddenly cut-off, all data, programs and software package ar cleared from the memory. the info and programs ar for good hold on on the memory device device (hard disk, CD-ROM, Tape etc.).

I/O Modules:

I/O module is associate degree electronic element. it’s conjointly referred to as I/O controller or controller devices. the info or program directions ar affected between the pc and its external devices through I/O module. every I/O device (such as memory device communication equipments, and I/O devices etc.) has its own I/O module (or device controller), that is needed for communication between device and processor. It conjointly controls the I/O operations of the I/O devices. as an example, controller exchanges information between disk and processor. The processor writes and reads information to and from disk through controller.

In some cases, the I/O module exchanges information directly between main memory and I/O device. In such case, the processor grants the authority to associate degree I/O module to put in writing and skim information to and from the memory. For this purpose, the I/O module problems scan or write commands to memory.

System Bus:

A system bus is associate degree electrical path. the info and command signals ar communicated between the pc parts through bus. as an example, information is communicated between main memory, processor and I/O module through the bus.

The central processor is connected to all or any alternative parts of pc through the system bus The central processor controls and co-ordinates alternative parts of the pc by causing command signals. The system bus is any divided into information bus, management bus and Address bus.

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Blog :- https://tomsadeghi.blogspot.com/

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