Q. What is Processing unit?
1. C U [control unit]:-
Control
unit is able to maintain the follow of data from one area to the other.
The control unit able to
maintan is order and direct the operation of the intire system is does not
perform any actual process on the data.
In octence instruction from the program stored in the
primary stores interprets the instraction an isue single that calls other unit of the system to exquit them.
The control unit able to maintan is order and direct the operation of the intire system is does not perform any actual process on the data.
In octence instruction from the program stored in the primary stores interprets the instraction an isue single that calls other unit of the system to exquit them.
2. ALU (Arthemetical logical Unit):-
ALU perform all the
arthemetical and logical operation under program cotrol. The data and store a
instruction in store primary storage period to proccessing are transfar when
needed to the ALU.
ALU perform the following operation:-
A.
Arthematical:-+
,- ,* ,/ etc
B.
Logical
operation :-with the help of > ,< and =
O S (Operating System):-
operating system is an intergeral set of specialize programe such as
resources file tranfar, input device, out put device and over all operation
under the computer system.
The primary object of an operating system is
to make computer system convenient to used an utilize computer hardware in an
efficient manner operating system please the most prominent role in system
software.
Function
of an operating system :-
A.
Resource
managment
B.
Memory
managment
C.
Comman
interpretation