Static RAM is faster and more expensive than dynamic RAM.

DDR3 is the third generation of DDR and uses pipelining techniques

The fastest dynamic RAM variation is DDR3.

Cache helps speed computer processes by storing frequently used instructions and data.

The meaning of ROM is Random-Only Memory

ROM is nonvolatile memory, not lost when computer's power is turned off.

ROM can be changed by user.

Flash memory is nonvolatile memory that can be changed electronically and rewritten.

Flash memory card is bigger than disk drive and require more power.

CMOS is Complete Motor-Oxide Semiconductor memory

CMOS stores date, time and computer's startup information

Expansion slot is an opening or socket, on the motherboard that can hold an adapter card

With Plug and Play, the computer can configure adapter card in the expansion slot.

Adapter card is also known as expansion card

Adapter card provides connection to internal devices.

Removal flash memory includes memory card and ExpressCard modules/PC Cards.

We can change removable flash memory device without having to open the system unit or restart the computer.

A flash memory card does not allow users to transfer data from mobile devices to desktop computer.

Connector connects external devices to system unit.

Connector joints cable to peripheral

Special-purpose and FireWire is the types of port.

Parallel port

Bus width determines number of bits transmitted at one time.

Expansion bus allows binary system to communicate with peripherals.

Drive bay is an opening inside system unit used to install additional equipment.

Power supply converts direct current power (DC) to alternating current power (AC)

The higher the computer speed, the faster the processor is