| A | B |
|---|
| IEEE | Institute of Electrical and Electronics Engineers |
| IIS | Internet Information Services |
| IMAP | internet mail access protocol |
| IP | internet protocol |
| IPCONFIG | internet protocol configuration |
| IPP | internet printing protocol |
| IPSEC | internet protocol security |
| IPX | internetwork packet exchange |
| IPX/SPX | internetwork packet exchange/sequenced packet exchange |
| IR | Infrared |
| IrDA | Infrared Data Association |
| IRQ | interrupt request |
| ISA | industry standard architecture |
| ISDN | integrated services digital network |
| ISO | Industry Standards Organization |
| ISP | internet service provider |
| JBOD | just a bunch of disks |
| Kb | Kilobit |
| KB | Kilobyte or knowledge base |
| LAN | local area network |
| LBA | logical block addressing |
| LC | Lucent connector |
| LCD | liquid crystal display |
| LDAP | lightweight directory access protocol |
| LED | light emitting diode |
| Li-on | lithium-ion |
| LPD/LPR | line printer daemon / line printer remote |
| LPT | line printer terminal |
| LPT1 | line printer terminal 1 |
| LVD | low voltage differential |
| MAC | media access control / mandatory access control |
| MAPI | messaging application programming interface |
| MAU | media access unit; media attachment unit |
| Mb | megabit |
| MB | megabyte |
| MBR | master boot record |
| MBSA | Microsoft Baseline Security Analyzer |
| MFD | multi-function device |
| MFP | multi-function product |
| MHz | megahertz |
| MicroDIMM | micro dual inline memory module |
| MIDI | musical instrument digital interface |
| MIME | multipurpose internet mail extension |
| MLI | multiple link interface |
| MMC | Microsoft management console |
| MMX | multimedia extensions |
| MP3 | Moving Picture Experts Group Layer 3 Audio |
| MP4 | Moving Picture Experts Group Layer 4 |
| MPEG | Moving Picture Experts Group |
| MSCONFIG | Microsoft configuration |
| USB | universal serial bus |
| USMT | user state migration tool |
| UTP | unshielded twisted pair |
| UXGA | ultra extended graphics array |
| VESA | Video Electronics Standards Association |
| VFAT | virtual file allocation table |
| VGA | video graphics array |
