| A | B |
| Central Processing Unit | brain of computer |
| power supply | gets electricity to computer |
| modem | connects computers and allows them to talk to each other |
| input | the keyboard is this type of device |
| output | an inkjet printer is this type of device |
| eight | how many bits equal one byte |
| megabyte | what equals 1,000,000 bytes |
| gigabyte | what equals 1,000,000,000 bytes |
| primary | Type of memory located on the motherboard |
| secondary | Type of memory stored on the hard drive |
| floppy disk | Device that holds 1.44 MB of data |
| CD-ROM | a disk that uses "pits" and "lands" to store data |
| tower | a case that stands up tall and holds all important computer parts |
| DVD | digital video disk |
| scanner | copies pictures and documents |
| speakers | allow you to hear sound on your computer |
| motherboard | holds all other circuit boards |
| BIOS | chip that wakes up the computer |
| read only memory | ROM |
| random access memory | RAM |
| port | other hardware, like a keyboard or mouse plug into me |
| Binary Code | the code that the computer understands that contains 1's and 0's |
| rpm | revolutions per minute |
| pits and lands | CD-ROM uses these to store information |
| hard drive | uses electricity and magnetism to record data |