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Digital Mind Computers - Computing glossary
Category: Electronics and Engineering > Computer glossary
Date & country: 22/12/2010, US
Words: 117


SSL - Secure Sockets Layer
A protocol developed by Netscape to transfer information via the Internet securely. Web sites use this encryption to allow users to enter credit card numbers and other confidential information, normally you will see the padlock in your browser lock and the URL will begin HTTPS as opposed to HTTP.

SVGA - Super Video Graphics Array
A standard for monitors and graphic cards developed by VESA (Video Electronics Standards Association) which supports resolutions of up to 800x600 Pixels and up to 16 Million Colors.

Terabyte - TB
This is commonly used to describe the capacity of a digital system. A Terabyte is 1,099,511,627,776 bytes (2 to the 40th power).

TFT - Thin Film Transistor
A type of LCD (Liquid Crystal Display) used in the screen of laptops/notebooks, with 1 to 4 transistors defining one pixel on-screen.

TIFF - Tagged Image File Format
TIFF (Tagged Image File Format) refers to a type of image format developed by Aldus and Microsoft that is commonly used within computing. TIFF files are basically Bitmap images, they are not restricted in resolution and can be black and white, grey scale or full color.

V90 - V.90
A standard used by all modern 56k modems.

Virus - Viruses
A program that runs on your computer without your knowledge and can cause damage to your files. It usually attaches itself to other programs, a common way to receive a virus is through an attachment via email. Virus protection is extremely important and can save a lot of problems in the future.

VPN - Virtual Private Network
A VPN (Virtual Private Network) refers to a secure network connection that uses the internet to transmit data. The data is typically encrypted using different tunneling protocols such as L2TP(Layer 2 Tunneling Protocol) and PPTP (Point to Point Tunneling Protocol) in which the encrypted data is encapsulated in Internet wrappers before it is transmi...

Wait State
This refers to when a processor or other component has to rest in between clock cycles due to a slower component such as memory. See also zero wait state.

WAN - Wide Area Network
As the name suggests it is a network of computers over a wide geographical area.

WAP - Wireless Application Protocol
WAP (wireless application protocol) refers to a wireless transfer protocol developed by Ericsson, Motorola, Nokia and Unwired Planet. The WAP protocol allows users of handheld devices such as mobile phones to access data and view locally. Some of the wireless networks supported by WAP are listed below: - DataTAC - DECT - CDMA - CDPD - FLEX - GSM - ...

WAV - WAV audio file
An audio file format developed jointly by IBM and Microsoft, WAV audio files have a file extension of .wav and are commonly used within the Windows environment.

WIFI
WI-FI refers to a type of wireless technology which allows users to connect to a local network without the need for cables, also known as a WLAN (Wireless Local Area Network).

WLAN
refers to a Wireless LAN which uses radio waves instead of cables for data transfer, this type of LAN is extremely useful but can be expensive depending on the amount of terminals involved.

WWW - World Wide Web
Describes the internet as a whole, millions of computers all over the world connected via phone lines and modems.

Zero Wait State
Refers to a system that allows the processor to work at full clock speed regardless of the clock speed of the memory (RAM).

ZIF - Zero Insertion Force
Refers to a type of chip (processor) socket with which an arm or release device is used to lock the chip in place.