The System Unit

Differentiate the four basic types of system units.

Describe system boards, including sockets, slots, and bus lines.

Recognize different microprocessors, including microprocessor chips and specialty processors.

Compare different types of computer memory including RAM, ROM, and flash memory.

Explain expansion slots and cards.

Describe bus lines, bus widths, and expansion buses.

Describe ports, including standard and specialized ports.

Identify power supplies for desktop, laptop, tablet, and mobile devices.

Explain how a computer can represent numbers and encode characters electronically.