Today, the most commonly used computers in business are digital computers. Even
though they ma differ in constructional details, the basic principles of operation are almost the
same.
A computer is basically a device used for processing of data, it performs the following
three operations in sequence:
a) Receives the data and instruction.
b) Processes the data as per the instructions.
c) Output the result i.e., information.
This cycle of operation of a computer is known as the input process – Output cycle. This can
be explained in the following figure.
The data are provided to the computer through the input devices. They are encoding
such a way, which the computer can understand. The computer then processes the data with the
help of instructions provided to it, then it produces a meaningful and desired output known as
information.
The above functions are collectively known as the basic principles of operation of a
digital computer. These can be expanded as follows:
a) Accepting inputs
b) Memory manipulation
c) Arithmetic operations
d) Decision making and
e) Giving output
though they ma differ in constructional details, the basic principles of operation are almost the
same.
A computer is basically a device used for processing of data, it performs the following
three operations in sequence:
a) Receives the data and instruction.
b) Processes the data as per the instructions.
c) Output the result i.e., information.
This cycle of operation of a computer is known as the input process – Output cycle. This can
be explained in the following figure.
such a way, which the computer can understand. The computer then processes the data with the
help of instructions provided to it, then it produces a meaningful and desired output known as
information.
The above functions are collectively known as the basic principles of operation of a
digital computer. These can be expanded as follows:
a) Accepting inputs
b) Memory manipulation
c) Arithmetic operations
d) Decision making and
e) Giving output
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