3
- 3G
- 3D Printer
4
- 4K
- 4G
- 404 Error
8
- 802.11a
- 802.11n
- 802.11g
- 802.11b
- 802.11ac
a
- Abend
- Abstraction
- Access
- Access Point
- Accessibility
- ACL
- Activation Key
- Active Cell
- Active Directory
- Active Matrix
- ActiveX
- Ad hoc
b
- Backaside Bus
- Backbone
- Backlink
- BackUp
- Bandwidth
- Banner Ad
- Bare Metal
- Bare Metal Restore
- Barebones
c
- C/C++
- C#
- Cable Management
- Cable Modem
- Cache
- CAD
- CamelCase
- Camera RAW
- CAN
- Caps Lock
- Captcha
- Card Reader
