Answer: c) a program.
Explanation:
A computer, is a hardware device, that differs from those with dedicated hardware (like a TV set, a radio, or an old phone) , in that it can be used for different purposes, due to it's a programmable device.
The way in which the computer is instructed to do anything, is by means of a set of instructions to be read and executed sequentially, which is called a program.
The set of the different programs stored in the computer is which is known as the computer software.
