| LAN | Stands for "Local Area Network," and is pronounced like "land" without the "d... |
| Laptop | Laptop computers, also known as notebooks, are portable computers that you can take... |
| Laser Printer | A laser printer is a printer that uses a focused beam or light to transfer text and... |
| Latency | This is the amount of time it takes a packet of data to move across a network... |
| LCD | Stands for "Liquid Crystal Display." LCDs are super-thin displays that are used in... |
| LDAP | Stands for "Lightweight Directory Access Protocol." If you want to make directory... |
| Leaderboard | As the average computer screen size has grown larger, the size of online... |
| Leaf | What does a computer's hard disk have in common with a tall oak? While it may not... |
| LED | LED is short for "Light-Emitting Diode." It is a type of electronic light source... |
| LIFO | Stands for "Last In, First Out." LIFO is a method of processing data in which the... |
| Link | When you are browsing the Web and you see a highlighted and underlined word or... |
| Linux | Pronounced "lihnuks," this is a Unix-based operating system created by Linus... |
| Listserv | This term looks like it's missing an "e", but that's how it's spelled. A listserv... |
| Load Balancing | Computer networks are complex systems, often routing hundreds, thousands, or even... |
| Localhost | "Localhost" refers to the local computer that a program is running on. For... |
| Logic Gate | Logic gates perform basic logical functions and are the are the fundamental... |
| Login | If you are ever asked to enter your username and password, you are being asked to... |
| Lossless | Lossless compression reduces a file's size with no loss of quality. This seemingly... |
| Lossy | Lossy file compression results in lost data and quality from the original version... |
| LPI | Stands for "Lines Per Inch." LPI is used to measure the resolution of images... |
| LUN | Stands for "Logical Unit Number." LUNs are used to identify SCSI devices, such as... |