java basic theory problem

Question number 01:

      What is computer:

    ANS    A computer is an electronic device that can that can store and process data in a very short time. A computer is a combination of both software and hardware.

Question number 02:

                                          What are hardware and software and list its some components:

Ans      Hardware:

                                   All the physical components of computer is called hardware that can be touched.

Examples: CPU,Mouse,Keyboard,Moniter,etc;

         Software:

                               A software is an instruction that given to computer that control all the hardware components.

Example:

                  Calculator on desktop, paint function, games, ms word, etc.