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Access Control Layer: Baked into the Wi-Fi standards; specifies how a Wi-Fi device, such as a mobile computer, communicates with another Wi-Fi device, such as a wireless access point. (also called MAC layer).

Access Point: A broadcast station that Wi-Fi computers can communicate with. Also called "AP", "hotspot", and "base station". Access points are used as the central point for a network of Wi-Fi computers.

Access Point/Router : This common hardware combination combines the functionality of a Wi-Fi access point with that of a network router.

Adware (Advertising Supported Software): It is software package that downloads, plays or displays advertisements to a computer once the software gets installed on it or when the particular application is being utilized.

Algorithm: An algorithm is precise set of rules used for solving a problem in a given number of steps. In computing, mathematics and related subjects, an algorithm is an effective tool for solving a problem using a fixed sequence of instructions. Algorithms are used for calculation, data processing, and various other fields.

Anti-Spyware is a form of computer malware that misleads users into paying for fake or simulated removal of malware.

Anti-Virus: Software that protects PCs from malicious computer codes.

Bluetooth : A short-range connectivity solution designed for data exchange between devices such as printers, cell phones, and PDAs that use the 2.4GHz spectrum. Bluetooth is incompatible (meaning, does not work) with any of the 802.11 wireless networking standards.

Bookmark: A way of flagging your favourites websites in your browser.

Bridge: A device that connects two networks together and passes traffic between them depending on the node address, so this traffic between the nodes on one network does not appear on the other network. One way to conserve this network traffic is to slice the network up into smaller segments and these segments are connected to the bridge.

Broadband: A high-bandwidth internet connection, fast delivery of Internet services. The predominant means for the delivery of broadband are cable and DSL.

Browser: A program for navigating the internet.

Byte is a unit used to represent digital information in computing and telecommunications. It is an ordered set of bits, in which each bit denotes the binary value of 1 or 0.

Cable : Broadband Internet delivery over the same cable that is used to bring in television content, primarily to residential subscribers.

CD-ROM : A device that can read Compact Disks, but it cannot write to them. It is durable and low cost circular optical storage device extensively used to store large amounts of information.

Centrino : Notebooks with chips made by Intel that feature integrated Wi-Fi.

Client : A device or program connected to a server of some sort. Typically, a client is a personal computer connected to a server computer that relies on the server to perform some operations.

Client-Server Network : In a client-server network, a centralized server computer controls and polices many of the basic functions of the network, and intermediates the communications between the computers on the network.

Cold Booting is one of the type of restarting your system or operating system. Cold booting is when the system is started after having been switched off.

Connectivity is defined as a state of being connected. With regards to computer it is the status regarding whether two computers are communicating with each other over a local network or over the Internet. When two computers are communicating with each other, there is said to be "connectivity" between them.

Debug: means to detect, trace and eliminate errors in computer programs. A debugger is a computer program that is used to test and debug other computer programs. So in short it is the process of testing programs in order to detect mistakes and eliminating them, before the programs are made available to users.

DMZ (Demilitarized zone): An isolated computer or sub network that sits between an internal network that needs to remain secure and an area that allows external access.

Dual-Layer: Holds twice as much data as an ordinary DVD by adding an extra layer.

DHCP (Dynamic Host Configuration Protocol): a standard for assigning dynamic Internet Protocol (IP) addresses to devices on a network.

DNS (Domain Name System sometimes called Domain Name Service): translates more or less alphabetic domain names into IP addresses.

Anti-Virus: Software that protects PCs from malicious computer codes.

DSL (Digital Subscriber Line): a technology used to deliver broadband Internet services over telephone lines.

DVI: A purely digital video connection

DVD (Digital Video Disk): An optical storage medium with higher capacity and bandwidth that compact disc. It is also known as digital versatile disc.

Downloading means transferring files from some other computer to your computer. In terms of web it is transferring files from web server to web client.

Ethernet: it is a type of local-area network used for high-speed communication among computers. It is a common method of networking computers in a LAN. It is a most widely used cable-based technology used for transmitting large amounts of electronic data between computers within a LAN

Encryption Key : The key used to encrypt the transmissions of a Wi-Fi network protected by WEP; the password needed to access the Wi-Fi network.

FAT (file allocation table): this is a file system based on the file allocation table maintained by some operating systems, including Windows NT, 2000 and XP PRO, to keep track of the status of various segments of disk space used for file storage.

FAT32: A derivative of the file allocation table files system. FAT32 support smaller cluster sizes than fat in the same given hard disk space, which result in a more efficient space allocation on FAT32 drives.

Firewall: A security system, usually a combination of hardware and software, intended to protect a network against external threats coming from another network, including the internet. Firewalls also audit network activity, recording the volume of traffic, recording the volume of traffic and information about unauthorised attempts to gain access.

Firmware: Software routines stored in a read-only memory (ROM). Unlike Random Access Memory (RAM), ROM stays intact even in the absence of electrical power. Start-up routines and low-level input/output (I/O) instructions are stored in a firmware.  

Freeware: software that is often downloadable from the internet, which is free to keep and use.

FTP (File transfer Protocol): A process that provide file transfer between local and remote computers. The FTP client is installed with the TCP/IP connectivity utilities.

Gateway: A device used to connect networks using different protocols so that information can be passed from one system to the other.

GB (Gigabyte): A measure for storage capacity: usually hard disks.

GHZ (Gigahertz): A measure of how fast the processor in your pc works. One gigahertz equals one thousand megahertz (MHz).

Graphics are visual presentations that are done on some kind of surface, such as a canvas, computer screen, or paper to brand, inform or illustrate some information. Examples are drawings, graphs, diagrams, typography, symbols, geometric designs, maps, engineering drawings, or other images.

GUI (Graphical User Interface): is a kind of user interface that allows users to interact with programs in various ways than typing such as computers; hand-held devices such as MP3 Players, Portable Media Players or some Gaming devices; even your household appliances.

Handshaking: A process performed by modems, computers and terminals to verify that communication has been established between them correctly. It is a process by which two devices start communications. Handshaking begins when one device sends a message to another device signifying that it wants to establish a communications channel.

Hard disk: One or more inflexible platters coated with material that allows the magnetic recording of computer data. A typical hard disk rotates at up to 7200 revolutions per minute (RPM), and the read/write heads ride over the surface of the disk on a cushion of air 10 to 25 millionths of an inch deep. A hard disk is sealed to prevent the contaminants from interfering with the close head-to-disk tolerances.

Hardware: The physical components of a computer system, including any peripheral equipment such as printers, modems and mouse devices.

Hot Spot: An Area covered by a wireless network

HTML (Hyper Text Mark-up Language): is a language used to write the web pages. Web pages must follow the HTML rules in order to get displayed correctly in the web browser. It is used to create documents on World Wide Web.

Hub : A simple wired device used to connect computers on a network.

Internet : is a global network of interconnected computers that communicates using TCP/IP protocol and enables data transmission. It is collection of network that links hundreds of computers and users across the world.

IP address : A hexadecimal tuplet that denotes a node on the Internet or other network.

ISP (Internet Service Provider): A company that provides you with an internet connection.

LAN (Local area network): such as the network in your Computer Repair or small office.

Laser: (Light Amplification By Stimulated Emission Of Radiation): It is a optical device that generates intense monochromatic beams of coherent light.

Laptop is portable and a personal computer that has been designed for mobile use, which is small and light enough to sit on persons lap. It designed so that it works nearly similar to desktop computers. They use AC power or batteries and intended to use while traveling.

MAC (Medium access control layer): See also access control layer

MAC Address : Unique identification number of each Network device.

MAC filtering : Creating a secure Wi-Fi network by using the MAC address of each Wi-Fi device on the network (and only allowing devices with a known MAC address).

Macintosh is the name of the computers that are developed by Apple Computer. It was first introduced in 1984 and was seen as a major innovation in computing ease-of-use.

Magnetic disk is digital media that uses some kind of magnetic material to store data. Both hard disks and floppy disks are kinds of magnetic disks.

Malware: A generic term for software designed to perform harmful or surreptitious acts.

MB (Megabyte): This is a measure of memory storage capacity.

Memory Card: Removable Storage Card.

Megapixel:   A measure of the level of details recorded by a digital camera.

Meta tags: These tags are the HTML or XHTML elements, which provides structured metadata about a Web page. Such elements must be placed as tags in the header section of HTML documents.

Modem : Short for modulator-demodulator. A modem is a device that lets a computer transmit data over telephone or cable lines, and connects your cable or DSL Internet service to your computer or your network.

MP3: A standard for compressing digital audio.

MS-DOS is a single user operating system that runs one program at a time that is limited to work with one megabyte of memory. Here, 640 kilobytes of memory is usable for application programs. It is the operating system developed by Bill Gates for use on personal computer.

NAT (Network Address Translation): Translates local network addresses to ones that work on the Internet.

Network: is a group of interconnected systems like electronic components or circuits that communicate with each other. For example take a group of computers interconnected within an office is refered to as a network.

Offline is a term that is related to computer technology and has a specific meaning. It basically describes a system, which is not connected to any network at a moment. When a system is said to be offline it means it is disconnected from the network.

OS (Operating System): Governs the way hardware and software components in a computer work together.

OSI (Open System Interconnection) reference model: A seven-layer architecture that standardizes levels of service and types of interaction for computers exchanging information through a network. It is used to describe the flow of data between the physical connection to the network and the end-user application, this model is the best known and most widely used model describing networking environments.

Patches: A software file or collection of files that fixes problems with an existing software application by making minor changes to a program.

PC Card : Card that fits in the PCMCIA slot that is present on most laptops. Also called PCMCIA cards.

PCI Card : Card that fits into the PCI expansion slot inside a Windows desktop computer.

PCMCIA : Personal Computer Memory Card International Association, which is the name of the organization that has devised the standard for cards than can be added to laptops.

PCMCIA slot : Also called an expansion slot, used to add PC cards to a laptop.

PDA (Personal Digital Assistant): a handheld computer.

Peer-To-Peer Network : In a peer-to-peer network, computers communicate directly with each other.

Phishing: Email fraud that attempts to trick users into revealing personal information such as login details.

Physical Topology : The way a network is connected.

PPPoE : Point-to-Point Protocol over Ethernet.

Processor: The chip that is the brain of the computer.

Protocol : An agreed-upon format for transmitting data between devices.

Punch Card is a card on which data is recorded in the form of punched holes. It contains digital information represented by absence or presence of holes.

RAM (Random Access Memory): Used to temporarily store instructions and information for the microprocessor of a computer or other device.

Router : A router is a device that directs traffic between one network and another, for example, between the Internet and your Computer Repair network.

Search Engine Spiders is a program that a search engine uses to find out information on World Wide Web. The goal of search engine spider is to supply the search engine which it belongs to with the most current updates and material possible.

Server: A computer on a network that stores shared information.

Software or Computer software is a universal term mainly used for digitally stored data or any type of information that is written or read by computers. Software is that part of computer which cannot be touched.

SOHO : Small office or Computer Repair office.

Spam: Junk emails sent to large group of people.

Spyware: Software installed (usually surreptitiously) as part of another application installation, specifically to monitor and report back on a computer's use.

SSID (Service set identifier): used to identify the "station" broadcasting a Wi-Fi signal. (also called the network name, or wireless network name). Apple calls the SSID for their AirPort products the AirPort ID.

Standard : Used in engineering to mean the technical form of something such as a message or a communication. See also protocol

Static IP Address : An IP address that does not change.

Switch : An intelligent hub used to connect computers on a network.

TCP/IP (transmission control protocol/internet protocol): An industry standard suite of protocols providing communications in a heterogeneous environment. In addition, TCP/IP provides a routable, enterprise networking protocol and access to the internet and its resources. It is a transport layer protocol that actually consists of several other protocols in a stack that operates at the session layer. Most network support TCP/IP as protocol.

Thumbnail: A small image used to give a quick preview of a much larger image.  

Toolbar: is a collection of buttons at the top of a window just below the title bar. A toolbar can be hidden or revealed with a toolbar option in the title bar.

Topology : A network topology is the arrangement of a network.

Trojan : A program appears pleasing but actually contains something very harmful. The contents of a Trojan can be a virus or a worm.

USB (Universal serial bus): used to connect peripheral devices such as a mouse to a computer.

Virus: A malicious computer program designed to cause damage.

VOIP (Voice over IP): A technology that allows telephone calls to be placed over the Internet.

VPN (Virtual private network): Software used to "tunnel" through the Internet to provide secure access to remote resources.

WAN : Wide area network, such as the Internet.

WAP (Wireless application protocol): used to provide Internet capabilities, such as Web browsing, to "thin" wireless devices, such as mobile phones.

Web Page is single file written on World Wide Web with the Hypertext Markup Language (HTML). It usually contains text and specifications about where images or other files are to be placed when a browser displays the page. A webpage is a main part of a Web site. Every Web page is identified by a unique Uniform Resource Locator or URL.

Web Site is a collection of web pages, images, video and assets on World Wide Web. They are typically accessible from same URL. Each website contains a home page, which is the first document that is visible to users when they enter the site. They are generally formatted in HTML.

WEP (Wired equivalent privacy): An encryption security standard built into the current versions of Wi-Fi.

Website Optimization: refers to optimizing the website to get higher ranks in search engines. It is also known a search engine optimization. It is art or science of making your web pages attractive to increase traffic to your website.

Wi-Fi ( wireless fidelity): is the Wi-Fi Alliance's name for a wireless standard, or protocol, used for wireless networking using the 802.11 standards.

Wireless Networks refers to any kind of computer network that allows two or more computer to communicate without the use of cabling. It uses radio waves to transmit the signal between the sender and receiver.

Worm: It is a software program that have capacity to replicate itself. They can spread from one computer to another, all over the network. They take advantage of automatically sending and receiving of file features found on many computers.