EVERYDAY SCIENCE

Detailed explanation-1: -A set of instruction given to a computer is called a program. Computer programming refers to the detail or steps of instructions given to a computer in an appropriate computer language, which enable the computer to perform a variety of tasks in sequence or even intermittently.

Detailed explanation-2: -How does a computer get instructions? A computer is given instructions by a human using a keyboard or another input device. To interpret these instructions, the computer uses an operating system, interpreter, or software to translate user commands into something the computer can understand.

Detailed explanation-3: -In computing, a command is a directive to a computer program to perform a specific task. It may be issued via a command-line interface, such as a shell, or as input to a network service as part of a network protocol, or as an event in a graphical user interface triggered by the user selecting an option in a menu.