The System Unit

Flash Memory

Flash memory is a non-volatile computer storage chip that can be electrically erased and reprogrammed. It is primarily used in memory cards, USB flash drives, MP3 players and solid-state drives for general storage and transfer of data between computers.

Graphic Cards

A graphics card is a piece of hardware installed in a computer that is for rendering the image on the computer’s monitor. Graphics cards come in many varieties with varying features.

Sound Cards

A sound card or also known as an audio card is a computer expansion card. It is use to facilitates the input and output of audio signals to and from a computer under control of computer programs.

Network Interface Card (NIC)

A network interface controller is a computer hardware component that connects a computer to a computer network. The controller may also known as a network adapter.

Plug n Play

is a term used to describe the characteristic of a USB, or device specification, which facilitates the discovery of a hardware component in a system, without the need for physical device configuration. Plug and play refers to both the boot-time assignment of device resources, and to hotplug systems such as USB and Firewire.

Bus line

Device on a computer's motherboard that provides a data path between the CPU and attached devices such as keyboard, mouse, disk drives, video cards, etc.

HDMI

HDMI (High-Definition Multimedia Interface) is a compact audio and video interface for transmitting uncompressed digital data.

Cache Memory

Cache memory is an extremely fast memory that is built into a computer’s CPU. The CPU uses cache memory to store instructions that are repeatedly required to run programs. It also improves overall system speed. The advantage of cache memory is that the CPU does not have to use the motherboard’s system bus for data transfer.