PC.netPC.net

The PC Glossary

Definitions of Computer and Internet Terms

Computer Terms Beginning with "L"

LAN Stands for "Local Area Network," and is pronounced like "land" without the "d". (Computer people will think you're...
Laptop Laptop computers, also known as notebooks, are portable computers that you can take with you and use in different...
Laser Printer A laser printer is a printer that uses a focused beam or light to transfer text and images onto paper. Though contrary...
Latency This is the amount of time it takes a packet of data to move across a network connection. When a packet is being sent...
LCD Stands for "Liquid Crystal Display." LCDs are super-thin displays that are used in laptop computer screens and flat...
LDAP Stands for "Lightweight Directory Access Protocol." If you want to make directory information available over the...
Leaderboard As the average computer screen size has grown larger, the size of online advertisements as grown as well. The...
Leaf What does a computer's hard disk have in common with a tall oak? While it may not look like a tree on the outside, the...
LED LED is short for "Light-Emitting Diode." It is a type of electronic light source that is activated by an electrical...
LIFO Stands for "Last In, First Out." LIFO is a method of processing data in which the last items entered are the first to...
Link When you are browsing the Web and you see a highlighted and underlined word or phrase on a page, there is a good chance...
LinkedIn LinkedIn is a business-oriented social networking website. It allows you to create a custom profile and add other...
Linux Linux is a free, open source, Unix-like (operating system|operating_system). It is available in several different...
Listserv This term looks like it's missing an "e", but that's how it's spelled. A listserv, or list server, is a small program...
Load Balancing Computer networks are complex systems, often routing hundreds, thousands, or even millions of data packets every...
Localhost "Localhost" refers to the local computer that a program is running on. For example, if you are running a Web browser...
Log File A log file contains a record of events generated by a software program or output by a hardware device. Most log files...
Logic Gate Logic gates perform basic logical functions and are the fundamental building blocks of digital integrated circuits...
Login If you are ever asked to enter your username and password, you are being asked to enter your login information. A...
Lossless Lossless compression reduces a file's size with no loss of quality. This seemingly magical method of reducing file...
Lossy Lossy file compression results in lost data and quality from the original version. Lossy compression is typically...
LPI Stands for "Lines Per Inch." LPI is used to measure the resolution of images printed in halftones. Because halftone...
LUN Stands for "Logical Unit Number." LUNs are used to identify SCSI devices, such as external hard drives, connected to a...

L

space