| Acronym | Meaning |
![](file.png) | PCB | Printed Circuit Board |
![](file.png) | MAN | Metropolitan Area Network |
![](file.png) | Y2K | Year 2000 |
![](file.png) | VCSEL | Vertical-Cavity Surface-Emitting Laser |
![](file.png) | SIMD | Single Instruction Multiple Data |
![](file.png) | HMA | High Memory Area |
![](file.png) | PPP | Point-to-Point Protocol |
![](file.png) | CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance |
![](file.png) | CDPD | Cellular Digital Packet Data |
![](file.png) | PSTN | Public Switched Telephone Network |