The System Unit

Flash Memory

It can be called as Flash RAM. It is a type of constantly-powered nonvolatile memory that can be erased and reprogrammed in units of memory called blocks. Flash memory is often used to hold control code such as the basic input/output system (BIOS) in a personal computer.

 

 Graphic cards

Graphics cards, also known as video cards, graphics accelerators or display cards are computer hardware that takes binary data.The data compressed into a system of just two digits, 1s and 0s and it then converts this data into images that are displayed on the computer's monitor



 Sound cards

A sound card is also refered as an audio card. It- is a peripheral device that attaches to the ISA or PCI slot on a motherboard to enable the computer to input, process, and deliver sound.

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 be referred to as a network adapter, or a LAN adapter

Plug & Play

Plug and Play, sometimes, abbreviated PnP, is a catchy phrase is used to describe devices that work with a computer system as soon as they are connected. The computer automatically recognizes the device, loads new drivers for the hardware if needed, and begins to work with the newly connected device.

Bus Line

A collection of wires through which data is transmitted from one part of a computer to another. You can think of a bus as a highway on which data travels within a computer.

HDMI
HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transmitting uncompressed digital data. It is a digital alternative to consumer analog standards.

Cache Memory

Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there.