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| a piece of software used by the operating system to manage and configure a device |
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| standard keyboard layout based on the original design for typewriters in the late 1800s |
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| non-traditional keyboard layout designed to improve typing speed while reducing errors |
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| this type of mouse uses an LED to bounce light off the surface of the tabletop to determine its position |
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| this type of mouse uses a hard rubber ball to manipulate a series of rollers inside the mouse to determine its position |
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| a peripheral device that creates an electronic image of a paper document or photo |
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| default interface and driver standard for scanners |
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| TWAIN is an acronym for ___. |
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| Technology Without An Interesting Name |
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| a type of application that converts a scanned image of a document into editable text |
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| OCR is an acronym for ___. |
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| Optical Character Recognition |
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| A mouse or keyboard will likely use one of these types of connections |
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| 6-pin mini-DIN (aka PS/2), USB, or wireless (5-pin DIN is obsolete) |
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| a single point in a graphic image |
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| Pixel is an acronym for ___ |
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| Unit of quality of a digital camera image |
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| 10 MP (2748 x 3664 = 1,0178,592 or 10 MP) |
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| A digital camera that produces images that are 2748 pixels x 3664 pixels has what approximate pixel count? |
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| the ratio of horizontal pixels to vertical pixels in a digital camera(or a monitor) |
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| The type of zoom uses the optics (lens) of the camera to bring the subject closer without negatively affecting the quality of the image |
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| This type of zoom factor crops and enlarges an area of a digital image and fills in the space with approximated pixels, thus negatively affecting the quality of the image |
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| the use of one or more distinguishing biological traits to identify a computer user (e.g., fingerprints, hand geometry, earlobe geometry, retina and iris patterns, voice waves, DNA, and signatures) |
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| device designed to read UPCs to track and manage inventory; primary used at POS terminals |
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| UPC is an acronym for ___. |
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| POS is an acronym for ___. |
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| type of monitor that allows a user to make selections and enter data by touch |
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| Examples of situations where touch screens can be useful |
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| kiosks, POS, smartphones, tablets/readers |
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| peripheral device that allows two or more computers to a single keyboard, mouse, and monitor |
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| KVM is an acronym for ___. |
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| hardware component that can add a new type of functionality to a computer system (e.g. dual monitors) or replace a faulty component on the motherboard (e.g. shorted-out network interface) |
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| Identify five types of PCI adapter cards |
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| PCI (original - 32-bit), AGP (video), PCI-X (64-bit bus), Mini-PCI (laptops), and PCIe (serial transfer, most common) |
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| PCI is an acronym for ___. |
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| Peripheral Component Interconnect |
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| This type of bus architecture was replaced by PCI |
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| Advantages of the PCI bus architecture |
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| faster (direct connection to the Northbridge), wider (bus width), smaller, better case airflow, devices are self-configuring |
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| self-configuring Windows utility for newly installed devices |
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| PnP is an acronym for ___. |
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| pair of wires used to transfer data across a PCIe bus (one wire to send, one wire to receive); card support up to 32 lanes (x32) |
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| available slot and operating system |
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| Two factors that must be considered when selecting an adapter card |
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| Windows Logo'd Product List |
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Definition
| list of Microsoft certified hardware and software components tested to work with specific versions of Windows |
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Definition
| Will an adapter card that is not Windows certified work with your version of Windows? |
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| computer is turned off, card is stored in an anti-static bag, technician is wearing an anti-static strap, card is held by the edges, card is inserted straight into the motherboard, card is screwed to the case to stabilize and (possibly ground) |
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| What precautions must be taken when installing an adapter card? |
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| device manufacturer's website and Windows Update |
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| Name two sites for locating updated drivers |
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| Windows utility that allows you to reverse the effects of an unsuccessful driver update by reinstalling the previous driver |
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| This symbol identifies a device with a missing or corrupt driver |
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| This symbol identifies a device with a disabled driver |
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| This symbol identifies a device with manually configured resources |
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| Windows utility that allows the user to install and update device drivers and configure system resources |
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| The maximum number of devices in a USB chain |
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| String of devices created by attaching one device to the previous device |
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| The maximum number of devices in a FireWire chain |
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| Common name for an IEEE 1394 port |
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| type of data transfer mechanism that delivers data as fast as it is displayed and insures synchronization of audio and video |
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| 9-pin port that transmits data one bit at a time |
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| 25-pin port that transmits data one byte at a time |
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| Three categories of display devices |
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| CRT is an acronym for ___. |
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| LCD is an acronym for ___. |
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| Two major manufacturers of video adapter cards |
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| video card (with video processor and video RAM) and the monitor |
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| Three components of a PC video system |
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| time it takes a CRT to "draw" a single line from left to right |
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| time it takes a CRT to "draw" the screen from top to bottom |
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| HRR is an acronym for ___. |
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| VRR is an acronym for ___. |
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| The result of manually configuring VRR lower that a CRT's default rate |
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| The result of manually configuring VRR higher that a CRT's default rate |
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| The number of horizontal pixels x the number of vertical pixels |
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| 640 x 480, 800 x 600, 1024 x 768, 1280 x 960, and 1600 x 1200 |
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| Five common monitor resolutions exhibiting a 4:3 aspect ratio |
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| The ratio between horizontal and vertical pixel count |
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| Common pixel count for a standard width monitor |
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| Common pixel count for a wide screen monitor |
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| Process used by some CRT to "draw" a screen in two passes instead of one |
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| Most common type of display device in use |
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| time is takes for all sub-pixels in a LCD display to transition from pure black to pure white and back again |
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| the fixed number of pixels an LCD is designed to display |
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| Blurring technique used to soften the edges of pixels in a device running at a resolution lower than native |
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| require less power, smaller and lighter, more adjustable, causes less eye strain |
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| Advantages of using an LCD monitor over a CRT |
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| more expensive, lower color saturation, lower contrast ratio, single (native) resolution, more fragile |
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| Disadvantages of using an LCD monitor over a CRT |
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| suite of communications protocols that allow programs and applications to communicate directly with the hardware without Windows interference |
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| display device designed to create large images for group viewing |
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| unit of measurement for projector brightness |
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| distance between the projector and the image on the screen |
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| EPA program that identifies and promotes energy efficient products |
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| electronic process through which stray magnetic fields are removed from the inside of a CRT |
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