The important components of a computer are the CPU, memory, graphics adapter, storage system and power supply. The motherboard connects these components together inside the case. Outside the case, the input system includ... More »

The motherboard, hard disk drive, keyboard and power supply unit are the major parts of a computer. Computers are available in two main sizes, portable and desktop. Examples of portable computers include notebooks, lapto... More »

External computer parts are those that connect to the case, often to provide ways to input or output data. Most computers use a keyboard and mouse as external input devices and a monitor as an output device. Speakers, pr... More »

The main parts of a computer are the memory, storage and central processing units, all of which are contained in the system unit. The processor reads and interprets instructions, while the memory acts as the temporary st... More »

A system unit is the metal case that houses and protects other computer components, such as the motherboard, hard drive, RAM, graphics card and central processing unit, or CPU, of a computer system. More »

The central processing unit, the random access memory and the graphics card are the basic hardware components of a computer. In some cases, the graphics card may be a built-in part of the central processing unit. All thr... More »

The system bus refers to a single computer bus that interconnects the CPU (central processing unit), the system memory and the other major components of a computer. A computer bus transfers data between computer componen... More »