ISP – Internet Service Provider – Company that provides a building’s connection to the Internet
HTTP – Hypertext Transfer Protocol
HTTPS – Hypertext Tansfer Protocol Secure – Used for business transactions and exchange of sensitive data like credit card numbers
DMA – Direct Memory Access – A device can be assigned a DMA channel and input or output directly from memory, bypassing the Central Processing Unit, which speeds its operation up.
IRQ – Interrupt ReQuest – These are now dynamically assigned, but at first, there were hardwired data lines that sent signals to the CPU and were handled in priority order.