Program: a collection of instructions
A program is actually a collection of instructions. It tells the computer how to accomplish a specific task, just like a recipe to guide you in cooking, or a traffic sign to guide you to your destination.
Instruction: the key to completing the task
Even the simplest task requires instructions to complete. For example, tell the computer how to read keyboard input, how to display a letter on the screen, and how to save a file to disk.
Programming: Using the Power of Computer
If you master programming, you can make use of the computer's ability and make it work for you. Whether surfing the Internet, playing games or managing company affairs, it can be your right-hand man.