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26 Cards in this Set
- Front
- Back
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Access
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The act of reading data from or writing data to a astorage device
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Biometric Device
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Authentication techniques that relay on measurable physical characteristics that can be automatically cheaked.
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Barcode scanner
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input device that read bar codes that allow you to track both assets and inventory, check items in, manage item locations, miantain physical inventory, and control fixed assets.
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communications connectivity
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a computer buzzword that refers to a program or device's ability to link with other programs or device's ablity to link with other programs and devices.
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Digital camcorder
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a camcorder that produced video recordings with highly accurate color and crisp, clear resolution- far better then the resolution offered by television broadcast.
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digital camera
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a camera that images rather then recording on film. once a picture has been taken, it can be downloaded to a computer and then manipulated and printed.
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fire wire device
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a very fast external bus standard that supports data transfer rates of up to 400 Mbps.
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global Positional system
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by useing three satelites, GPS can calculate the longitude and latiude of the receiver based on where the three spheres intersect.
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handheld computer
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a portable computer that is small enough to be held in one's hand. Although extremely conveniernt to carry, handheld computers have not replaced notebook computer because of their small keyboreds and screens. The most popluar hand held computers are those that are specifically designed to provide PIM (personal infomation manager) functions, such as a calender and address book. The most popular are IPAQ and plam.
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Handwriting Recognition
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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 seccess or failure of PDAs and othe hand held devices.
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Interactive whitebored
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whiteboards that are connected to a computer and input can be accomplished by writing or tapping on the whiteeboard through interactive software.
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Laptop computer
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A small, portable computer- small enough that it can sit on your lap. Laptop computers are more frequently called notebook computers.
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LCD
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a type of display used in many protable computers and flat screen monitors. LCD displays utilize two sheets of polarizing material wiht a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light connot pass through them. Each crystal, theredore, is like a shutter, either allowing light to pass through or blocking the light
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Media storages Device
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Objects on which data con be stored. These include hard disks, floppy disk,d CD-ROM'd smart media flash disks, memory sticks, and tapes.
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Notebook computer
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An extremely lightweight personal computer. Notebook computers typically weigh less then 6 pounds and are small enough to fit easliy in a briefcase. adie from size , the principal difference between a notebook computer and a personal computer is the technologies, to produce alight and non-bulky display screen
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Probe (scientific devices)
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these devices are connected to a computer to be able to translate data received.
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scanner
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a decive that can read text or illustrations printed on paper and translate the information into a form the computer can use.
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speech recognition
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the filed of computer science that deals with designing computer systems that can recognize spoken words. note that voice recognition implies only that the computers can take dictation, not that it understands what is being said.
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tablet PC
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a type of notebook computer that has a LCD screen on which the user can write useing a special- purpose pen. or stylus. The handwriting is digitized and can be converted to standard text through handwriting recognition, or it can remain as handwriten text. Tablet PC's also typically have a keyborad and \or a mouse for input.
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tablet
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an inout device that enables the user to enter drawings and sketchs into a computer. a digitizing tablet consist of an electroic 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 penpoint placement, and it can have as many as 16 bottons. a pen(also called a stylus) looks like a a simple ballpoint pen butuses an electronic head instead of link. The tablet contains electronics that enable it to detect movement of the cursor or pen and translate the movement into digital sigital signals that it sends to the computer
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touch screen
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a touch-sensitive transperent panel covering the screen. Instead of useing a decvice such as a stylus, you can use your finger to point directly to a selection on the screen.`
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universal serial bus (USB)
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plug this devise into your USB port and you instantly have an additional hard drive.
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Webcam
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a camera that broadcast images through the internet through a computer or web cell phone.
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web cell phone
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a cellular telephone that also allows users to access the internet via wireless communication.
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web tv
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a small box with a keyboredthat connectstoy 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.
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wireless communication
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the ability to send data or video without being connected to a wire, either by telephone or handheld ccomputers
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