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The act of reading data from or writing data to a storage device

Biometric Device

Authentication techniques that rely on measurable physical characteristics that inventory, check items in, manage item locations, maintain physical inventory, and control fixed assets

Communication Connectivity

A computer buzzword that refers to a program or device's ability to link with other programs and devices

Digital Camcorder

A camcorder that produced video recordings with highly accurate color and crisp, clear resolution-far better than the resolution offered by television broadcast

Digital Camera

A camera that images rather than recording of film.Once a picture has been taken, it can be downloaded to a computer and then manipulated and printed

Fire Wire Device

A very fast external bus standard that supports data transfer rates of up to 400 Mbps

Global Positional System

By using three satellites, GPS can calculate the longitude and latitude of the receiver based on where the three spheres intersect

Handheld Computer (Pocket PC)

A portable computer that is small enough to be held in one's hand. Although extremely convenient to carry, handheld computers have not replaced notebook computers because of their small keyboards and screens. The most popular hand-held computers aer those that are specifically designed to provide PIM (personal information manager) functions, such as a calendar and address book. The most popular are IPAQ and Palm

Handwriting Recognition

The technique by which a computer system can recognize characters and other symbols written by hand. In theory, handwriting recognition should free us from our keyboards, allowing us to write and draw in a more natural way. It is considered one of the key technologies that will determine the ultimate success or failure of PDAs and other hand-held devices

Interactive Whiteboard

Whiteboards that are connected to a comptuer to a computer and input can be accomplished by writing or tapping on the whiteboard through interactive software

Laptop Computer

A small, portable computer-small enough that it can sit on your lap. Laptop computers are more frequently called notebook computers

LCD (liquid crystal display)

A type of display used in many portable computers and flat screen monitors. LCD displays utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light cannot pass through them. Each crystal, therefore, is like a shutter, either allowing light to pass through or blocking the light

Media Storage Device

Objects on which data can be stored. These include hard disks, floppy disks, CD-ROMS, smart media, flash disks, memory sticks, and tapes

Notebook Computer

An extremely lightweight personal computer. Notebook computers typically weigh less than 6 pounds and are sall enough to fit easily in a briefcase. Aside from size, the principal difference between a notebook computer and a personal computer is the display screen. Notebook computers use a variety of techniques, known as flat-panel technologies, to produce a lightweight and non-bulky display screen

Probe (scientific devices)

The devices are connected to a computer to be able to translate data received


A device that can read text or illustrations printed on paper and translate the information into a form the computer can use

Speech Recognition

The field of computer sciencde that deals with designing computer systems that can recognize spoken words. Note that voice recognition implies only that the comptuer can take dictation, not that it understands what is being said

Tablet PC

A type of notebook computer that has an LCD screen on which the user can write using a speical-purpose pen, or stylus. The handwriting is digitized and can be converted to standard text through handwriting recognition, or it can remain as handwritten text. Tablet PCs also typically have a keyboard and/or a mouse for print


An input device that enables the user to enter drawings and sketches into a computer. A digitizing tablet consists of an electronic tablet and a cursor or pen. A cursor (also called a puck) is similar to a mouse, except that it has a window with cross hairs for pinpoint placement, and it can have as many as 16 buttons. A pen (also called a stylus) looks like a simple ballpoint pen but uses an electronic head instead of ink. The tablet contains electronics that enable it to detect movement of the cursor or pen and translate the movements into digital signals that it sends to the computer

Touch Screen

A touch-sensitive transparent panel covering the screen. Instead of using a device such as a stylus, you can use your finger to point directly to a selection on the screen.

Universal Serial Bus (USB) flash drive (Pen Drive)

Plug this devise into your USB port and you instanstly have an additional hard drive


A camera that broadcast images through the Internet through a computer or web cell phone

Web Cell Phone

A cellular telephone that also allows users to access the Internet via wireless communication

Web TV

A small box with a keyboard that connects to your telephone line and television. It makes a connection to the Internet via your telephone service and then converts the downloaded Web pages to a format that can be displayed on your TV. These products also come with a remote control device so that you can navigate through the Web

Wireless Communication

The ability to send data or video without being connected to a wire either by telephone or handheld computers

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Voice Recording