Some computer jargons

Program : a set of instructions given to a computer to accomplish a certain task.
- Ex: automated payroll computation
Hardware : physical (tangible) components that make up a computer system.
- Ex: keyboard, disk drive
Software : programs that run the computer and those that are run by the computer.
- Ex: operating system (Unix, Windows-95), wordprocessor, Nintendo
Computer system : Hardware and software taken together is referred to as a Computer System.