COMPUTER FUNDAMENTALS

Detailed explanation-1: -A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept input (data), process the data according to specified rules (process), produce results (output), and store the results for future use (Shelly, Freund and Vermaat, 2010).

Detailed explanation-2: -Memory consists of electronic components that store instructions waiting to be executed and data needed by those instructions. Although some forms of memory are permanent, most memory keeps data and instructions temporarily, which means its contents are erased when the computer is shut off.

Detailed explanation-3: -A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.

Detailed explanation-4: -Computers process data under the control of sets of instructions called computer programs. The various devices (such as keyboard, screen, disks, memory, and processing units) that comprise a computer systems are referred to as hardware.