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Definition
| traditional keyboard layout originally designed for the manual typewriter |
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| nontraditional keyboard layout that places frequently used letters and letter-combinations within easy reach of the index fingers an the right hand |
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Definition
| type of mouse that uses reflected light to detect movement |
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Definition
| input device that allows the user to enter characters and commands by typing |
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Definition
| input device that allows the user to make selections and issue commands by pointing and clicking |
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Definition
| type of mouse that detects motion through the movement of a hard rubber ball on the desktop or pad |
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Definition
| type of mouse or keyboard that transmits signals to the system unit via radio frequencies |
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Definition
| an input device that captures text and images from photographic prints, posters, magazine pages, and similar sources for computer editing and display |
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Term
| OCR (optical character recognition) |
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Definition
| technology that enables you to convert different types of documents, such as scanned paper documents, PDF files or images captured by a digital camera into editable and searchable data |
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Definition
| device that consists of a flat surface on which you lay documents to be scanned; scans only one side of a document at a time |
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Definition
| input device that allows you to scan loose papers or photographs; may scan both sides at one time |
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Definition
| input device that scans and processes physical characteristics, such as a fingerprint, to authenticate a user |
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Definition
| input device designed to read an items's barcode (e.g., UPC code) and access or update the details of the item in a database; commonly used in POS systems |
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Definition
| expansion of the acronym POS |
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Definition
| any type of small, mobile scanner, such as a barcode reader |
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Definition
| digital camera rating based on the number of horizontal pixels times the number of vertical pixels in an image |
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Term
| approximately 8 million (actually 8*1024*1024 = 8,388,608) |
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Definition
| number of pixels in an image taken with an 8MP camera |
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Definition
| relationship between a image's horizontal length to its vertical length |
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Definition
| aspect ratio of a standard computer display |
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Definition
| aspect ratio of a widescreen computer display |
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Definition
| type of digital camera zoom that brings an object "closer" through actual lens adjustments |
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Definition
| type of digital camera zoom that brings an object "closer" by enlarging a portion of the image and coloring the additional pixels based on proximity |
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Definition
| use of a touch screen in a small physical structure that displays information for people walking by; common use of touch screens in a POS environment |
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Term
| KVM switch (Keyboard - Video - Mouse) |
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Definition
| small device that allows a user to control two or more computers with a single set of I/O devices |
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Definition
| type of temporary, audio-video output produced by a display device or a sound card |
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Definition
| type of permanent, printed output produced by a printer |
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Definition
| computer component responsible for audible I/O |
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| microphone (I) - speakers and headphones (O) |
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Definition
| peripheral devices used with a sound card for inputting and outputting audible data |
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Term
| POS systems, smart phones, tablets, readers, kiosk |
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Definition
| examples of applications/devices that utilize touch screens for input |
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Definition
| expansion of the acronym CRT |
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Definition
| expansion of the acronym LCD |
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Term
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Definition
| computer component responsible for screen-based I/O |
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Term
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Definition
| peripheral device used with a video card for inputting and outputting visual data |
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Definition
| number of horizontal pixels x number of vertical pixels |
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Term
| 640x480 - 800x600 - 1024x768 - 1280x960 - 1280x1024 - 1600x1200 |
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Definition
| common resolutions with a 4:3 aspect ratio |
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Term
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Definition
| time is takes for all sub-pixels to go from pure black to pure white and back |
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Term
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Definition
| fixed number of pixels a device is designed to display |
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Definition
| blurring technique used to soften the edges of pixels in a device running at a resolution lower than native |
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Definition
| unit of time in which response rate is measured |
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| less expensive - rugged and sturdy - better color saturation, contrast ratio |
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Definition
| advantages of CRTs over LCDs |
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Term
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Definition
| amount of physical desk space required for a device |
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| bigger footprint - higher power requirement - heavier - causes eye strain |
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Definition
| disadvantages of CRTs over LCDs |
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Definition
| unit of brightness for a projector |
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Definition
| distance between the projector and the image on the screen; shorter throws cause bigger, blurrier pictures |
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Definition
| category of printers that creates output by physically striking the paper |
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Definition
| example of an impact printer |
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Term
| low cost of consumables - ability to print multipart forms |
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Definition
| advantages of impact printers |
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Term
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Definition
| category of printers in which the printing mechanism never actually touches the paper |
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Term
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Definition
| examples of an impact printer |
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Term
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Definition
| determines the quality of the output from a dot matrix printer |
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Term
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Definition
| this printer uses a series of nozzles to spray very small drops of ink to very precise locations on the paper |
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Definition
| measure of the quality of an inkjet printer |
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Definition
| this printer use a heated print head to burn dots into the surface of special heat-sensitive paper |
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Definition
| measure of the speed of an laser printer |
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Definition
| this printer uses lasers and LEDs and a series of charges to transfer, then melt, toner to paper |
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Term
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Definition
| manual or automatic paper-feeding mechanism that supports printing on both sides of the paper |
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Definition
| printer mechanisms that support stapling, collating, hole-punching, and binding |
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Term
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Definition
| goods that are used (“consumed”) in the normal printing process, such as ink, toner, and paper |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
RJ-11 (port) - modem (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
DVI (port) - monitor (device)
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| eSATA (port) - external hard drive (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| game (port) - joystick (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| IEEE 1394 Firewire (port) - video camera (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| parallel (port) - printer (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| PS/2 (port) - keyboard/mouse |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| RCA (port) - speaker/microphone/line in (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| RJ-45 (port) - network cable (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| serial (port) - mouse/external modem (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| USB-A (port) - mouse/printer/camera (device) |
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Term
identify the port name and device associated with this port:
[image] |
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Definition
| VGA (port) - monitor (device) |
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Term
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Definition
| step in the laser printing process in which leftover toner is scraped from the photosensitive drum |
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Term
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Definition
| step in the laser printing process in which a uniform charge is applied to the photosensitive drum in preparation for the new page image |
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Term
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Definition
| step in the laser printing process in which the laser or LED "writes" the page image on the photosensitive drum |
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Term
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Definition
| step in the laser printing process in which toner is applied to the written page image on the photosensitive drum |
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Term
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Definition
| step in the laser printing process in which the toner-covered page image is moved to the paper |
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Term
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Definition
| step in the laser printing process in which the toner is heated and pressed into the page fibers |
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Term
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Definition
| What would be the horizontal pixel count for a device with 1050 vertical pixels and an aspect ratio of 4:3? |
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Term
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Definition
| What would be the vertical pixel count for a device with 1896 horizontal pixels and an aspect ratio of 16:10? |
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