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What is Lossless? |
Lossless compression reduces a file's size with no loss of quality. This seemingly magical method of reducing file sizes can be applied to both image and audio files. While JPEGs and MP3s use lossy compression, newer compression algorithms, such as JPEG 2000 and Apple Lossless compression, can be used to create lossless compressed files.
Lossless compression basically rewrites the data of the original file in a more efficient way. However, because no quality is lost, the resulting files are typically much larger than image and audio files compressed with lossy compression. For example, a file compressed using lossy compression may be one tenth the size of the original, while lossless compression is unlikely to produce a file smaller than half of the original size. |
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Popular terms beginning with 'L': |
What is Localhost?
"Localhost" refers to the local computer that a program is running on. For example, if you are running a Web browser on your computer, your computer is considered to be the "localhost." While this doe... continue
What is 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 hard disk is organized the same way. Directories of files and folders on a hard d... continue
What is Login?
If you are ever asked to enter your username and password, you are being asked to enter your login information. A login is a combination of information that authenticates your identity. This could be ... continue
What is LAN?
LANs are typically high speed networks that connect computers, printers and other network devices together.
What is LPI?
Stands for "Lines Per Inch." LPI is used to measure the resolution of images printed in halftones. Because halftone images are printed as a series of dots, the higher the LPI number, the more dense th... continue
What is LCD?
Stands for "Liquid Crystal Display." LCDs are super-thin displays that are used in laptop computer screens and flat panel monitors. Smaller LCDs are used in handheld TVs, PDAs, and portable video game... continue
What is 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, there is "latent" time, when the computer that sent the packet waits for confirma... continue
What is Leaderboard?
As the average computer screen size has grown larger, the size of online advertisements as grown as well. The leaderboard ad, which was introduced in 2003, has a standard size of 728 pixels wide by 90... continue
What is Linux?
Pronounced "lihnuks," this is a Unix-based operating system created by Linus Torvalds. His reason for developing it was that he wasn't happy with the currently available options in Unix. So he did wha... continue
What is Logic Gate?
Logic gates perform basic logical functions and are the are the fundamental building blocks of digital integrated circuits. Most logic gates take an input of two binary values, and output a single val... continue
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