Computer and calculator 

A computer and calculator both are used for calculation. Both are electronic devices both have screen, a keyboard and both work accurately. Sill they have some differences. 

1) A calculator has a single part but a computer has five main parts like, CPU, MONITOR, keyboard, mouse, and printer. 

2) A calculator has a small screen but a computer has a big screen. 

3) The keyboard of a calculator has only number keys whereas the keyboard of a computer has numeral keys, alphabet keys some special keys. 

4) A calculator can only add, subtract, divide and multiply but a computer can read, write, calculate, play, draw and entertain us. 

5) A calculator can do only simple calculations but a computer can do simple as well as difficult calculations. 

6) A calculator has a small memory. It can not store much data but a computer has a large memory. It can store a lot of data. 

7) A calculator works fast but a computer work faster than a calculator. 

8) calculator can be know as mini computer but has limited functions. Computer is very advanced and can perform a variety of jobs for us.