TECH 101: CPU (Central Processing Unit)
The CPU is the primary component of a computer that processes instructions. It runs the operating system and applications, constantly receiving input from the user or active software programs.
TECH 101: CSS (Cascading Style Sheet)
Cascading style sheets are used to format the layout of Web pages. They can be used to define text styles, table sizes, and other aspects of Web pages that previously could only be defined in a page’s HTML.
TECH 101: VGA (Video Graphics Array)
The VGA standard was originally developed by IBM in 1987 and allowed for a display resolution of 640×480 pixels. Since then, many revisions of the standard have been introduced.
TECH 101: ALU (Arithmetic-Logic Unit)
An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words.
TECH 101: ASCII (American Standard Code for Information Interchange)
Stands for “American Standard Code for Information Interchange.” ASCII is a character encoding that uses numeric codes to represent characters. These include upper and lowercase English letters, numbers, and punctuation symbols.
TECH 101: SEO (Search Engine Optimization)
SEO, stands for “Search Engine Optimization.” Just about every Webmaster wants his or her site to appear in the top listings of all the major search engines.
TECH 101: BIOS (Basic Input/Output System)
BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on.
TECH 101: CD (Compact Disc)
Read-only memory, or ROM, is a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to.
TECH 101: ROM (Read-Only Memory)
Read-only memory, or ROM, is a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to.
TECH 101: ADSL (Asymmetric Digital Subscriber Line)
ADSL (Asymmetric Digital Subscriber Line) is a technology for transmitting digital information at a high bandwidth on existing phone lines to homes and businesses. Unlike regular dialup phone service, ADSL provides continously-available, “always on” connection.
TECH 101: WAN (Wide Area Network)
A wide area network (WAN) is a geographically distributed private telecommunications network that interconnects multiple local area networks (LANs).
TECH 101: Wireless Fidelity (802.11x standard)
A Wi-Fi network uses radio waves to wirelessly transmit information across a LAN, the reach of which can be extended by a Wi-Fi range extender. Wi-Fi is widely used in businesses, agencies, schools and homes as an alternative to a wired LAN. Many airports, hotels and fast-food facilities offer public access to Wi-Fi networks.
TECH 101: USB (Universal Serial Bus, USB 3.0, SuperSpeed USB)
USB (Universal Serial Bus) is a plug-and-play interface between a computer and add-on devices, such as media players, keyboards, telephones, digital cameras, scanners, flash drives, joysticks and printers.
Wireless LAN (WLAN or Wireless Local Area Network)
A wireless LAN (or WLAN, for wireless local area network, sometimes referred to as LAWN, for local area wireless network) is one in which a mobile user can connect to a local area network (LAN) through a wireless (radio) connection.
HyperText Markup Language
HTML (Hypertext Markup Language) is a text-based approach to describing how content contained within an HTML file is structured. This markup tells a web browser how to display text, images, and other forms of multimedia on a webpage.