Power Supply 2. CPU the brain of the computer 3. Random Access Memory 4. ROM chips Read Only Memory 5. The font is the lettering style that may be changed to make one s documents more attractive.
Hard copy means the printed page.
One should back-up one s documents at regular intervals in case of a computer crashing, for security reasons, or other emergency reasons. There are many programming languages. Computers use and their operation is based on the binary numbers system which has only two digits 0 or 1, also called a bit or binary digit. It takes 8 bits for the computer to understand one character on the keyboard, also known as a byte. For instance the computer may see the letter A as 0110 0101.