Question

The system unit of a personal computer typically contains all of the following except _________.

• A. Microprocessor
• B. Disk controller
• C. Serial interface
• D. Modem
• E. All of the above are contained

Answer 1

Answer: (D)

Modem

The system unit of a personal computer typically contains all of the following except Modem.

The main part of a personal computer. The system unit includes the chassis, microprocessor, main memory, bus, and ports, but does not include the keyboard or monitor, or any peripheral devices. A system unit is sometimes called a box or main unit.

A typical desktop computer consists of a computer system unit, a keyboard, a mouse, and a monitor. The computer system unit is the enclosure for all the other main interior components of a computer. It is also called the computer case, computer chassis, or computer tower.