What is computer

Q. what is computer ..

A computer system includes all functional computer or its associated hardware  & software to do desired. A computer is a digital electronic machine that can be programmed to carry out sequences of arithmetic or logical operation (computation) automatically.  modern computer can perform generic set of operation know as programs. these programs enables computer to perform a wide rang of  tasks .

Q. What is data ...

Data refers to facts or unprocessed information represented words, numbers & symbols.Q. The basic unit of computer ?

The basic unit of computer are :-

• Input device,
• Processing  device (C.P.U )
•  Memory  unit,&
•  Output device.

• What is Input 

the data and command or instruction which are entered into the computer  in is known as input.

Eaxmple of  input devices :-

• Mouse ,
•  Magenetic ink ,
•  Card reader (MICR) ,0
•  Joystic, &
•  Light pen, etc

• Describe processing 

Processing  is the series of action that work on data to convert it into a meaningful  way for the use . it can be arithmetic  calculation scientific  calculation or logical decision taken by the computer.

• Describe memory unit

Memory unit is the amount of data that can be stored  in the storage unit. This storage capacity is expressed in terms of bytes. 

•  What is CPU 

The data and instruction that are entered into the computer system using input device are processed  by the processing device is called  central processing unit

• Describe output device 

The output device accept result from the primary storage to supply them to the user. They help the computer to communicate  with the user by converting electric  signals to the human in understandable form . monitor , printer , speaker , plotter , etc.