| A | B |
|---|
| FTP | File Transfer Protocol |
| FQDN | Fully Qualified Domain Name |
| Gb | Gigabit |
| GB | Gigabyte |
| GDDR | Graphics Double Data Rate |
| GDI | Graphics Device Interface |
| GHz | Gigahertz |
| GUI | Graphical User Interface |
| GPS | Global Positioning System |
| GPT | GUID Partition Table |
| GPU | Graphics Processing Unit |
| GSM | Global System for Mobile Communications |
| HAL | Hardware Abstraction Layer |
| HAV | Hardware Assisted Virtualization |
| HCL | Hardware Compatibility List |
| HDCP | High-Bandwidth Digital Content Protocol |
| HDD | Hard Disk Drive |
| HDMI | High Definition Media Interface |
| HIPS | Host Intrusion Prevention System |
| HPFS | High Performance File System |
| HSF | Heat Sink and Fan |
| HTML | Hypertext Markup Language |
| HTPC | Home Theater PC |
| HTTP | Hypertext Transfer Protocol |
| HTTPS | Hypertext Transfer Protocol over Secure Sockets Layer |
| I/O | Input/Output |
| ICMP | Internet Control Message Protocol |
| ICR | Intelligent Character Recognition |
| ICS | Internet Connection Sharing |
| IDE | Integrated Drive Electronics |
| IDF | Intermediate Distribution System |
| IDS | Intrusion Detection System |
| IEEE | Institute of Electrical and Electronics Engineers |
| IIS | Internet Information Services |
| IMAP | Internet Mail Access Protocol |
| IMEI | International Mobile Equipment Identity |
| IMSI | International Mobile Subscriber Identity |
| IP | Internet Protocol |
| IPCONFIG | Internet Protocol Configuration |
| IPP | Internet Printing Protocol |
| IPS | In-plane Switching |
| IPSec | Internet Protocol Security |
| IR | Infrared |
| IrDA | Infrared Data Association |
| IRP | Incident Response Plan |
| IRQ | Interrupt Request |
| ISDN | Integrated Services Digital Network |
| ISO | International Organization for Standardization or Industry Standards Organization |
| ISP | Internet Service Provider |
| JBOD | Just a Bunch of Disks |
