Introduction to Hardware and Software
Computer Programming...
- A computer system is a collection of "Hardware" and "Software".
- The tangible parts (physical) of a computer are known as hardware while intangible part (logical) is known as software.
- One of the main reason behind popularity of computer is its programmability. Therefore computer is a general purpose electronic device which can be used for different purpose by simply changing the software used.
- The software is also known as "Computer Programs".
A computer program
- A computer program is a set of "instructions" stored in computer memory for a specific task.
- The instruction is a basic command to the computer system such as opening a file , closing a file , performing an arithmetic operation , accepting a user input , printing message on the screen etc.
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