| A | B |
| Motherboard | Main circuit board of a computer |
| USB, Serial & Parallel Ports | USB are for printers, cameras, scanners, digital and video cameras and high speed connections. |
| Power Supply | Supplies electricity,changes current from AC to DC,has fan to cool hardware |
| ROM Chip | Read Only Memory, boots up the computer |
| RAM | Random Access Memory, temporarily stores data |
| CPU | Microprocessor, performs calculations, manages flow of information |
| Hard Drive | Primary long term storage |
| Jump Drive | Size of a pack of gum, stores and retrieves info |
| PDA | Personal Digital Assistant, hand held organizer |
| CD/DVD Burner | Can write info to CD and DVD |
| CD/DVD Disks | Can record audio, video and rewrite data |
| Sound Card | Expansion card, interface for sound and recording |
| Network Card | Expansion card to connect to the Internet |
| Wireless Network Card | Recieves and transmits radio signals without wires |
| Bits and Bytes | The language of the computer |
| 1 kilobyte | 1 thousand bytes |
| 1 megabyte | 1 million bytes |
| 1 gigabyte | 1 billion bytes |
| 1 terabyte | 1 trillion bytes |
| 1 byte | 8 bits |