L2 Cache:- Memory cache that is between the CPU and the main memory.
Language:- A special set of symbols, characters, and numbers that you use to
communicate with your computer.
Laptop:- A small, lightweight, and portable battery-powered computer that can fit
onto your lap. They have a thin, flat, liquid crystal display screen.
Laser Disk:- A small disk on which digital data is stored as minute pits and bumps,
and which is read by a laser beam.
Laser Printer:- A printer that uses the principle of dry process similar to office
copiers. A modulated laser beam is used as the light source to heat up the drum.
LCD (Liquid Crystal Display):- A display technology that relies on polarizing filters
and liquid-crystal cells to produce an on-screen image. This is the same kind of
display used to show numerals in such devices as digital watches and calculators.
Leased Line:- A private, non-switched, dedicated communications line.
LED (Light-Emitting Diode):- Used for display in some electronic devices.
Light Pen:- A photosensitive input device that, when placed against a video screen
and moved about, responds to the light images present.
Line Conditioner:- An electrical device (often part of an UPS) that ensures a constant
level of electricity, by cleaning up any fluctuations in voltage.
Line Noise:- Static over a phone line which can cause a poor on-line connection.
Linker:- A program which can combine several machine language files into an
executable program.
Local Area Network (LAN):- The linkage of computers within a limited area through
the use of cables. Computers on a LAN can exchange information, share
peripherals (such as printers or tape backups), and share common software
resources.
Log Off:- Procedure to end a session with a computer or on-line service.
Log On:- Procedure to begin a session with a computer or on-line service.
Logical Drives:- Drive patricians that have been created from a physical disk drive.
For example, one physical drive can be divided into two logical drives, C - and D -.
Lost Cluster:- A a cluster on disk that is not registered as free, but does not have
any known data in it.
LPT1:- The name used to refer to the first parallel port on a computer. The second
parallel port, if there is one, is LPT2. The printer is usually connected to LPT1.
Luminance:- The measure of the brightness of a color.
Lurk:- To monitor an on-line discussion without participating.


(Multimedia Program)
Features:-
- Video Zoom.
- Multi-Screens.
- Fast and slow Video or MP3
- Auto-play search engine.
- Play Movie, MP3, Picture
- And more...
(Firewall)
Features:-
- Protect your OS from any type
of 32bit and 16bit virus.
- Protect your OS from any Virus
will develop in the future.
- Control All User Accounts
- Accept or refuse running
Application feature.
- And more...
(Encryption)
Features:-
- new logic to encrypt and
decrypt your Important
Message.
- strong algorithm (don't build
above any algorithm system
in the world)
- And more...
(Monitoring Program)
Features:-
s of application on your System.
System.
ystem.
- Monitor 16bit ,32bit
and 64bit Application.
- Monitor Device Driver
Service Application.
- Monitor All Executable
File (exe) events
Creating, Changing ,
Renaming, Deleting.
- Release OS Errors
Feature
- Clean Temporary Folders
(Security System)
- Freeze your files from the
following task:-
- Deleting
- Changing
- Modifier
- Renaming