The type of video adapter installed must correspond to the monitor used. It is important to know which type of adapter a particular computer has when configuring a particular machine for use with a particular software package. Some software packages require a specific type of adapter or require that you specify what you are using. Although they are usually built into the body of the CPU, floppy disk drives and hard drives are simply independent components that can be added or removed from a computer. External floppy and hard drives are more common in Macintosh configurations than in the IBM-standard keyboard.
Keyboards come in different configurations.
Generally, there are three different areas on the keyboard. The typewriter section is the main body of the keyboard containing alpha and numeric keys laid out in the same order as a typewriter. The numeric keypad to the right contains numeric characters laid out like a calculator. Macintosh Computers Ports . The printer port is indicated by the icon of a small printer.