| A | B |
| Analog | Data in continuous flow form, not digitized |
| Backbone | high traffic part of a network, a major pathway |
| Backup | To make a copy of, ususally in a more secure space |
| Bandwidth | data flow rate, ususally in bits-per-second |
| Baud | Data transfered in one second |
| Bps | Bits per second |
| Byte | 8 bits, a unit of space |
| Cache | temporary memory section |
| CPU | Central Processing Unit or brain of the computer |
| Client | Computer or other host being "served" by the server |
| Command | A computer instruction |
| Cursor | Pointer |
| Data | any information that is recorded or processed or transferred |
| Desktop | Computer working environment or interface |
| Digital | Data encoded to bits or binary numbers |
| Document | Whatever you create with an application program |
| Domain Name | Unique name that idenitfies an Internet site |
| e-mail | electronic mail |
| Eject | to remove a disk from a disk drive |
| Ethernet | Most common LAN technology |