F....

       File
A set of data that is stored in the computer.

       Firewall
A set of security programs that protect a computer from outside interference or access via the Internet.

       Folder
A structure for containing electronic files. In some operating systems, it is called a .directory.

       Fonts
Sets of typefaces (or characters) that come in different styles and sizes.

       Freeware
Software created by people who are willing to give it away for the satisfaction of sharing or knowing they helped to simplify other people's lives. It may be freestanding software, or it may add functionality to existing software.

       FTP
File Transfer Protocol. A format and set of rules for transferring files from a host to a remote computer.

Disable the Security Center warnings

Security is a system of safeguards designed to protect a computer system and important data from damage or access by unauthorized persons. Different antivirus and firewall programs are used to manage the security of the computer. Some time this is build-in antivirus or firewall program in windows XP to maintain the computer security. But if your windows is not provided with any antivirus, firewall program and Automatic Updates, your windows security center will alerts you a message "Your computer may be at risk. Your virus protection status is unknown" with useless repeating reminder. You can disable this message permanently by changing the values of “AntiVirusDisableNotify” in windows registry.
Follow the given steps to edit the computer registry for disable message:

•First click on Start button then type Regedit in Run option.

•Here locate the location to:

· HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Security Center

•Here in right side panel, double click on AntiVirusDisableNotify and set its value 1.

•Now close the registry editor and restart your computer after any changes to go into effect.

E....

       E-book
An electronic (usually hand-held) reading device that allows a person to view digitally stored reading materials.

       Email
Electronic mail; messages, including memos or letters, sent electronically between networked computers that may be across the office or around the world.

       Emoticon
A text-based expression of emotion created from ASCII characters that mimics a facial expression when viewed with your head tilted to the left. Here are some examples:
:-) Smiling
:-( Frowning
;-) Winking
:_( Crying

       Encryption
The process of transmitting scrambled data so that only authorized recipients can unscramble it. For instance, encryption is used to scramble credit card information when purchases are made over the Internet.

       Ethernet
A type of network.

       Ethernet card
A board inside a computer to which a network cable can be attached.