| COMPONENT | FUNCTION |
| Central Processing Unit | The Central Processing Unit (CPU) controls the operation of the computer. It interprets and carries out the basic instructions that operate a computer |
| Expansion Slot | In computers, a slot or expansion slot, is an engineered technique for adding capability to a computer in the form of connection pinholes |
| Expansion Card | An expansion card is a circuitry designed to provide expanded capability to a computer. |
| RAM Slot | The slot where the computer memory, also called as RAM is placed on the computer’s motherboard. |
| Port and Connector | A port is the point at which a peripheral attaches to a system unit so that the peripheral can send data to or receive information from the computer. A connector joins a cable to a peripheral
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PORTS AND CONNECTORS:
| TYPE OF PORT | FUNCTIONS |
| Serial Port | Connect modem and old printer |
| Parallel Port | Connect printer |
| USB Port | Printer, external hard disk, mouse, scanner |
| Firewire Port | Require faster data transmission |
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