| A | B |
|---|
| CPU | Central processing unit |
| Computer Case | The enclosure that contains most of the components of a computer |
| Screen | Electronic device, that of a television, VDT, or monitor, on which images and data are displayed. |
| Monitor | A device that displays signals on a computer screen |
| Power switch | An electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. |
| Restart switch | Allows the computer to reset in the event of a crash or freeze |
| Hard drive | A high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit. |
| USB port | Universal Serial Bus is intended to replace many varieties of serial and parallel ports. |
| CD/DVD | A digital optical disc data storage format, one offer higher storage capacity. |
| Serial port | A connector by which a device that sends data one bit at a time may be connected to a computer |
| Parallel port | A connector for a device that sends or receives several bits of data simultaneously by using more than one wire. |
| SD card | Memory card from your camera or other devices, as a local or system storage |
| Floppy disc | A data storage medium that is composed of a disk of thin, flexible magnetic storage medium encased in a square or rectangular plastic shell |
| Keyboard | Input device that is a panel of keys that operate a computer or typewriter |
| Mouse | Input device that is a hand-operated, controls the coordinates of a cursor on your computer screen as you move it around on a pad |
| Network card | A hardware device that handles an interface to a computer network and allows a network-capable device to access that network |
| Modem | Connection device between the digital data of a computer and the analog signal of a telephone line |
| Sound card | A device that can be slotted into a computer to allow the use of audio components for multimedia applications |
| Video card | A printed circuit board controlling output to a display screen |
| RAM | Random access memory, it stores data temporary. |
| ROM | Read only memory, it stores data permanently |
| Motherboard | A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted. |
| FAN | Inside a computer case, used for cooling purposes |
| Cable | Is one or more wires covered in a plastic covering that connects a computer to a power source or other device. |
| Printer | a machine for producing text or pictures onto paper, one linked to a computer |
