ESSENTIAL COMPUTER HARDWARE

  A computer hardware devices fall into one of four categories. while any type of computer system contains these four types of hard ware they relate  to the personal computer.

PROCESSOR:-
          
          During this part of the computer accept data from some source such is a user or a program for processing.


MEMORY:-
         IN  a computer memory is one or more sets of chips that store data and program instructions either a temporarily or permanently.and the memory is two parts.

RAM:-
      The most common types of memory is called random access memory  the term memory is typically used to mean ram .Ram is like an electronic search pad  inside the computer ram hold data and program instructions while the CPU work with them.


ROM:-
      IT data even the computers shut off ROM is called non volatile memory because it never losses it contents roms hold instructions that the computer need to operate .


INPUT&OUTPUT:-
                A computer is a hardware components. the most common input device is rhe keyboard which accepts letter number and commands from the user.
  The function of an output device is to present processed data to the user the most common output device are the monitor and printer.


STORAGE:-
            The hard ware components that write data and read data from storage media. A diskette is a type of storage media where as a diskette drive is a storage.