Showing posts with label Diploma In Computer Application. Show all posts
Showing posts with label Diploma In Computer Application. Show all posts
Showing posts with label Diploma In Computer Application. Show all posts
Showing posts with label Diploma In Computer Application. Show all posts

Wednesday, April 24, 2019

Diploma in Computer Application (Part - 1)


Notes of D.C.A

Diploma in Computer Application





Definition of Computer

       A computer is a fast calculation electronic device which is takes data as input, stores them into its memory as process according to the given instructions then it finally provide the result as output.


Anatomy of Computer


Input                  Store                 Output


Abbreviation Computer

C
Complete(पूरा करना)
O
Obedient(आज्ञाकारी)
M
Machine(यंत्र)
P
Providing(मुहैया करना)
U
User(चलाने वाला)
T
Type(टंकण)
E
Everything(सबकुछ)
R
Right(सही)


Data:-
          Raw facts given to the system is called data.

  • Character type data (A to Z)
  • Numeric data (0 to 9)
  • Symbolic data (+,@,%,&,=)


Input


Data given to the system for processing is called input.

Input device

          That data device by which we given input to the system is called input device.

Examples:-





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धन्यवाद

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Monday, April 01, 2019

What is Operating System ?


What is Operating System ?



Operating system

            Operating System: - It is a communication media between a user and a system computer. It makes an interaction between user and computer.
            Without any operating system a user cannot communicative his commands to the system.


Some Examples of operating system:-

·        M.S windows

·        M.S Dos

·        Linux

·        Ubuntu

·        Android

·        MacOS Sierra


M.S Windows

M.S windows: - M.S windows is a famous operating. It has been launched by an American Corporation called Microsoft in 1985.

            It makes an easy interaction between the user and system. M.S windows is a single user and multitasking operating system. It is early to understand and respond.


Part of Windows Startup Screen:-



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