Chapter 6 Computer
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Created by:
AlexandriaKohl on April 18, 2012
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58 terms
Terms | Definitions |
|---|---|
 Output | data that has been processed into a useful form |
| output device | any type of hardware component that conveys information to one or more people (Ex. Printers, speakers, data projects) |
| display device | visually conveys text, graphics, and video information |
| monitor | Packaged as separarte peripheral |
| Liquid crystal display (LCD) | uses a liquid compound to present information on a display device |
| The quality of an LCD monitor or LCD screen depends primarily on: | 1. Resolution, 2. Response Time 3. Brightness |
| Resolution | the number of horizontal and vertical pixels in a display device (higher resolution uses a greater number of pixels) |
| graphics processing unit (GPU) | controls the manipulation and display of graphics on a display device |
| LCD monitors use a digital signal and should plug into | DVI port, an HDMI port, or a DisplayPort |
| Plasma monitors | display devices that use gas plasma technology and offer screen sizes up to 150 inches |
| HDTV | the most advanced form of digital television |
| Digital television (DTV) | offers a crisper, higher-quality output |
| CRT monitor | a desktop monitor that contains a cathode-ray tube |
| printer | produces text and graphics on a physical medium |
| nonimpact printer | forms characters and graphics on a piece of paper without actually striking the paper |
| ink-jet printer | forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper |
| photo printer | Produces color photo-lab-quality pictures |
| A multifunction peripheral (MFP) | a single device that prints, scans, copies, and in some cases, faxes |
| thermal printer | generates images by pushing electrically heated pins against the heat-sensitive paper |
| mobile printer | a small, lightweight, battery-powered printer that allows a mobile user to print from a notebook computer, smart phone, or other mobile device |
| label printer | a small printer that prints on adhesive-type material |
| Plotters | used to produce high-quality drawings |
| Large-format printers | create photo-realistic quality color prints on a larger scale |
| Impact printers | form characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper |
| dot-matrix printer | produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon |
| line printer | prints an entire line at a time |
| audio output device | produces music, speech, or other sounds |
| Headphones | are speakers that cover or are placed outside of the ear |
| Earbuds | Earbuds (also called earphones) rest inside the ear canal |
| Voice output | occurs when you hear a person's voice or when the computer talks to you through the speakers |
| data projector | a device that takes the text and images displaying on a computer screen and projects them on a larger screen |
| interactive whiteboard | a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen |
| A(n) ________ is any type of hardware component that conveys information to one or more people. | Output device |
| Soft Copy | ________ exists electronically and appears for a temporary period. |
| Require less battery power | Some mobile devices use monochrome displays because they ________. |
| Mobile computers and mobile devices have built-in ________ screens. | LCD |
| Native Resolution | LCDs are geared for a specific resolution, called the ________. |
| When you purchase a laser printer, it comes with at least one of two common page description languages: PCL or ________. | PostScript |
| Most dot-matrix printers use ________. | continuous-form paper |
| LCD monitors and LCD screens typically produce color using either active-matrix or ________ technology. | Passive-Matrix |
| Dot pitch is sometimes called ________. | Pixel Pitch |
| The number of colors a graphics processing unit displays is determined by ________. | Bit depth |
| With Bluetooth printing, a computer or other device transmits output to a printer via ________. | radio waves |
| A laser printer creates images using a laser beam and powdered ink, called ________. | Toner |
| Mainframes, servers, or networked applications, such as manufacturing, distribution, or shipping, often use ________. | Line Printers |
| A(n) ________ projector attaches directly to a computer, and uses its own light source to display the information shown on the computer screen. | LCD |
| Narrator | Blind users can work with voice output via Windows ________. |
| A(n) ________ is a display device that uses technology which sandwiches a layer of gas between two glass plates. | Plasma Monitor |
| With HDTV, the broadcast signals are digitized when they are sent via ________ broadcasts from local television networks, satellite, or cable. | Over-the-air (OTA) |
| Mobile printers mainly use ink-jet, thermal, thermal wax-transfer, or ________ technology. | dye-sublimation |
| ________ are used in specialized fields such as engineering and drafting and usually are very costly. | Plotters |
| Most surround sound computer speaker systems include one or two center speakers and two or more ________ that are positioned so sound emits from all directions. | satellite speakers |
| Force Feedback | Today's joysticks, wheels, gamepads and motion-sensing game controllers also include ________, which is a technology that sends resistance to the device in response to actions of the user. |
| (thin-film transistor) | (TFT) An active-matrix display is also known as a ________ display. |
| A video card or motherboard, in the case of integrated video, must have enough ________ to generate the resolution and number of colors you want to display. | Video Memory |
| The speed of an ink-jet printer is measured by the number of ________ it can print. | pages per minute (ppm) |
| A(n) ________ printer forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper. | Impact |
| Soft-Copy | Looking at the monitor |
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