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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