BASIC STRUCTURAL ELEMENTS OF COMPUTER SYSTEM

BASIC STRUCTURAL ELEMENTS OF COMPUTER SYSTEM :

There are four basic structural elements of computer system which are following :

1 :- Processor :

A . It controls the operation of the computer and performs its data processing functions.

B . When there is only one processor, it is often referred to as the Central processing unit (CPU).

2 :- Main memory :

A . It stores data and programs.

B . This memory is typically volatile i.e, when the computer is shutdown, the contents of the memory are lost.

C . In contrast, the contents of disk memory are retained even when the computer system is shutdown.

D . Main memory is also referred to as real memory or primary memory.

3 :- I/O modules :

A . They move data between the computer and its external environment.

B . The external environment consists of a variety of devices, including secondary memory devices For ex. Disks, communications equipment, and terminals.

4 :- System bus :

A . It provides communication among processors, main memory, and I/O modules.

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