What Is A DMA

What Is A DMA DMA, or Direct Memory Access, are pathways provided by the hardware to allow the hardware direct access to the computer's memory. See DMA Listing: CHANNELAVAILABILITY 00Available 01Sound device 02Standard floppy disk controller 03Available 04Direct memory access controller 05Available 06Available 07Available Read: What is input out...

What is an Input Output

What is an Input Output Input Output (I/O) represents the locations in memory that are designated by use of various devices to exchange information amongst themselves and the rest of the PC. See IRQ Listing for a list of IRQs and I/O rang...

What is an IRQ

What is an IRQ? Short for Interrupt request, IRQ is a signal that has a direct line to the computer processor, allowing it to stop the processor momentarily and decide what to do next. Every IBM compatible computer has a maximum of 15 IRQs and are prioritized in the computer according to the importance of the device. The below lists the standard IRQ configuration found in...

What Is Collective Intelligence?

What Is Collective Intelligence? The central principle behind the success of the giants born in the Web 1.0 era who have survived to lead the Web 2.0 era appears to be this, that they have embraced the power of the web to harness collective intelligence: Hyperlinking is the foundation of the web. As users add new content, and new sites, it is bound in to the structure of...

What Is SDIO?

What Is SDIO? SDIO is the secure digital input output form of device where both the input and the output aspects of the device are performed. Moreover it had been found out that the SDIO had been designed in the form of card that is of portable in nature and thus it can be carried at any place. It can also be used with the computers or some other devices but mainly the SDIO...

What Is Hacker?

What Is Hacker? Hacker is a wider term which had been described in many different ways. Mostly it is the term which is associated with computing. In each and every field hacker have a different meaning. Hacker is a person who is able to gather all the entire information that is contained in the computer and hence is termed to be regarded as confidential. All the confidential...

What Is DSL? Digital Subscriber Lines

What Is DSL? The term DSL is an acronym for Digital Subscriber Lines and this term is the name of the family that provide technology for digital data transmission through the network over the wires of the local telephone network, which are usually made up of copper wires. The best example of this technology is broadband, where the internet ability is provided to the user over...

What Is VBR? Variable Bit Rate

What Is VBR? The term VBR is quite a versatile term, that is, even in the computing world it stands for several things, and this term also has specific meaning attached to it even if it is used outside the networking world. This article will only deal with this term with respect to the networking and computing world. The term VBR stands for variable bit rate in the networking...

What Is HIJacker?

What Is HIJacker? A hijacker is an attempt from a third party to take control of your web browser and use it for their own evil purposes. Some browser hijacks can be done to spread awareness of a particular website, but aren’t actually dangerous. In some cases, though, they can be malicious, and they can steal information like passwords you have saved into your browser automatically....

What Is Dialer?

What Is Dialer? A dialer is a program that uses a computer’s modem to establish a dialup connection to the Internet. A connection is made by dialing a predetermined phone number. Malicious dialers are designed to use international or premium rate local phone numbers to make a connection bypassing the local Internet service provider. Their activity usually results in receiving...

What Is Wiki?

What Is Wiki? Wiki is a website where users can add, remove, and edit every page using a web browser. It's so terrifically easy for people to jump in and revise pages that wikis are becoming known as the tool of choice for large, multiple-participant projects. Somewhere, in a dimly lit classroom, a library bench, or in a home study, some lucky so-and-so is writing an essay...

What Is WEP? Wired Equivalent Privacy

What Is WEP? WEP is a standard method for encrypting traffic over a wireless network. WEP was intended to give wireless users security equivalent to being on a wired network. With WEP turned on, each packet to be transmitted is first encrypted and then passed through a shredding machine called RC4. 128-bit encryption is preferred over 64-bit encryption, as it is lot more...

What Is SSID? Service Set Identifier

What Is SSID? SSID (Service Set Identifier) is meant to differentiate one network from another. SSID is the identification string used by the wireless access points by which clients are able to initiate connections. SSID settings on your network should be considered the first level of security, and should be treated as such. In its standards-adherent state, SSID may not...

What Is Wireless Network?

What Is Wireless Network? The new standard in wireless network--802.11g--offers speed, security, and performance. It is also the most widely employed standard in corporate internal wireless LAN network. You can transfer data at up to 54Mbps using 802.11g (which is five times the speed of older 802.11b wireless network). And wireless LANs provide some obvious benefits: they...

What Is Window Manager?

What Is Window Manager? The window manager is the client application, with responsibility for managing client windows. There are a number of window managers to choose from, many with features that begin to approach those of a desktop. For information on many of the available window managers, see the Window Managers for X web site. The window manager controls the general operation...

What Is X Server?

What Is X Server? The X server manages the display hardware. The server captures input events from the user via keyboard or mouse (or other input device) and passes the information to a client application that has requested it. It also receives requests from the application to perform some graphical action. For example, if you use your mouse to move a window on the screen,...

What Is X Client?

What Is X Client? The client, as it is implemented by X, may seem backward at first glance. Generally, we think of servers as remote machines like file servers, news servers, or mail servers, with local clients accessing the servers. For X, however, it's the server that runs on the local machine, providing its services to the display based on requests from client programs...

What Is X Window System?

What Is X Window System? The X Window System (commonly referred to as X or X11) is a network-transparent graphical windowing system based on a client/server model. Primarily used on Unix and Unix-like systems such as Linux, versions of X are also available for many other operating systems. Although it was developed in 1984, X is not only still viable but also is in fact the...

What Is IP Address Lookup?

What Is IP Address Lookup? The IP Address Lookup tool also referred to as IP Lookup, Lookup IP, Lookup IP Address, IP Address Location, IP Location, and IP Locator is designed to give you an idea of where your IP Address or the IP Address you lookup is located. This tool is not 100% accurate due to many different factors. Some of those factors include where the owner of...

What Is VPN Protocol?

What Is VPN Protocol? The number of protocol and available security features continue to grow with time. The most common protocol are: PPTP - PPTP has been around since the days of Windows 95. The main selling point of PPTP is that it can be simply setup on every major OS. In short, PPTP tunnels a point-to-point connection over the GRE protocol. Unfortunately, the security...

What Is VPN Security?

What Is VPN Security? Security is the main reason why corporations have used VPNs for years. There are increasingly simple methods to intercept data traveling to a network. WiFi spoofing and Firesheep are two easy ways to hack information. A useful analogy is that a firewall protects your data while on the computer and a VPN protects your data on the web. VPNs use advanced...

What Is VPN? Virtual Private Network

What Is VPN? A VPN or Virtual Private Network is a method used to add security and privacy to private and public networks, like WiFi Hotspots and the Internet. VPNs are most often used by corporations to protect sensitive data. However, using a personal VPN is increasingly becoming more popular as more interactions that were previously face-to-face transition to the Internet. Privacy...

What Is A DHCP Server? Dynamic Host Configuration Protocol

What Is A DHCP Server? In simple terms, DHCP determines if your IP is static or dynamic and the length of time an IP address is assigned. Dynamic Host Configuration Protocol is controlled by a DHCP server. Your router can be a DHCP server...and if you're on a home network, it most likely serves this purpose. I know this might be confusing because the word dynamic is in the...

What Is Static IP?

A static IP is one that will never change. A dynamic IP is exactly that, dynamic. It could change frequently, or not change for more than 1 year. It really depends on how the DHCP server that’s assigns the IPs is set up. What Is Static IP? Read: IP Addre...

What Is IP Address?

What Is IP Address? This number is an exclusive number all information technology devices (printers, routers, modems, et al) use which identifies and allows them the ability to communicate with each other on a computer network. There is a standard of communication which is called an Internet Protocol standard. In laymans terms it is the same as your home address. In order...

What Is Android Phones?

What Is Android Phones? The new Android phones are phones that operate on the Linux Kernal mobile operating System. It was developed by Android Inc, and later purchased by Google. This system enables developers to write managed codes in the java language and control the device with Google developed Java libraries. The Android Phones are the phones of the future because they...

What Is Mobile Internet?

What Is Mobile Internet? We can access the internet from (almost) anywhere these days. With our computers, laptops, phones and tablets. Can you believe that it was only the late 90s that mobile phones became popular? The fast moving mobile technology world is evolving faster than a lot of us can keep up with. Now we can make video calls to the other side of the world with...

What Is Mobile Marketing?

What Is Mobile Marketing? Mobile marketing is essentially taking advantage of the popularity of cell phones (especially smartphones) to make money. It is a subset of internet marketing, which uses web-based advertising. Mobile marketing advertisements are also viewed over the internet, but on a phone browser rather than a computer. There are many advantages to this. Primarily,...

What Is Mobile Learning?

What Is Mobile Learning? The term ubiquitous often appears in conjunction with scholarly articles on mobile and communication devices and more specifically, mobile learning. This article will help us understand more about this term and why it has become so relevant in the field of mobile learning. Wikipedia states that ubiquitous learning (or u-learning) is equivalent to...

What Is Computer Forensics?

What Is Computer Forensics? Computer forensics is a division of overall forensic science specifically involved with exploring evidences that are hidden in various digital computing devices. This particular field of study basically retrieves unearthing hidden data from digital storage devices such as hard disks, CD-ROMS, flash memories and cell phones. Throughout the years,...

What Is Mobile Broadband?

What Is Mobile Broadband? The road to mobile broadband - how the online world evolved As we look back on the history of the internet, we can see a constant evolution. Things never stay the same, they move and evolve, fighting to set new standards, to become more than they once were. It really is like evolution, with advancements being made, and the best surviving. And in doing...

What is Grid Computing?

What is Grid Computing? Grid computing is all about using the untapped resources of computers connected to a network. IBM perhaps defines it most succinctly: Grid computing is applying resources from many computers in a network-at the same time-to a single problem. The development of the World Wide Web revolutionized the way we think about and access information. We really...

What is Mobile Content?

What is Mobile Content? The uses of mobile phones have grown in leaps and bounds since the early 90s and consequently its importance in daily life has developed too. The mobile phone is now used for various activities like making calendar appointments, sending and receiving messages, listening to music, watching or taking videos, cashing coupon codes for online purchases,...

What Is Cloud Computing?

What Is Cloud Computing? The name cloud computing comes from the cloud symbol that is often used in flowcharts for representing Internet. Cloud computing defines delivering of the hosted services over the Internet. These services are divided into three categories: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS). This technology...

What Is Mobile Advertising?

What Is Mobile Advertising? In the marketing world, mobile advertising is the way of the future. Advertising through this medium is similar to advertising online although the potential target is much greater. In 2009, the number of mobile phones in the world totaled over 4.6 billion. Computers totaled less than a quarter of that. Currently the amount spent on mobile advertising...

What is a Computer Chair?

What is a Computer Chair According to certain reports, an average office worker sitting in a computer chair working at least 8 hours a day will move his chair at least 250 times. With this much movement, any flooring can sustain considerable damage in a year's time. Because repairing floors can be costly, the need for a cheaper alternative is needed. Thus the need for a chair...