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22 Cards in this Set
- Front
- Back
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What is the diffrence between Hard Copy and Soft Copy?
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Hard copy is a permanet version of output such as letter printed on paper.
Soft copy is a temporary version and includes any output that canout be phically handled. |
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What is voice output and what bussiness use this type of output?
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Voice Output such as the telephone companys computerized directiry assistance is another form of soft copy.
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What form of output do web pages typpically contain?
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Web pages typically contain text, and may contain other forms of output including graphics , music, voice, and sound.
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What two types of output are used to creat home movies?
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Audio and Video
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What are some popular output devices?
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Display monitors, printers, plotters, television, and speakers.
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What are some examples of output media.
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Paper, Plastic film, magenetic tape.
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Explain how monitors are desighned to work.
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Information in the form of digital signals is entered into the processor, or CPU, by means of the keyboard or another input device. a video or graphics card converts the digital signals into information including text, pictures, and images that are imediatly displayed on the monitor.
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How are monitor sizes measured?
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Monitors sizes are measured diagonally, common sizes include 15, 17, 19, 21, inches.
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where is the video card located and how does it send information to the monitor?
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It is located on the motherboard with its own set of memory. It converts the digital signal to analog and send them through a cable to the monitor.
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what are the advantegaes of a flat panel display?
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Smaller, thinner, and lighter than CRT monitors. Also are more light weight and and compact measnig they use less poweer.
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How does a liquid crystal display (LCD) differ from a Cathode Ray Tube (CRT) monitor?
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Instead of useing a tube like the (CRT) monitors (LCD) use liquid crystals sanwiched between two sheets of material .
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What adavantage of a active matrix display.
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Seperate transitors control each color pixel alowing it to be viwed from any angel.
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What three factors does quality and preformance of monitors depend on?
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Video Card
Resolution Refresh Rate |
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What is Video memory typically called?
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Video RAM or (VRAM)
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What determines the number of colors, the reolution od the display and the speed of which signals are sent to the monitor?
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The amount of VRAM that controlls the amount of Bit Depth.
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why does the term True Color include the word True?
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True color means that more than 16 million unique colors can be represented, a range that acomadates the hue and shades of our natural world. hence the name TRUE Color.
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What determines the resolution and the sharpness of an Image on a computer screen?
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The number of Pixels.
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What are two disadvantages of higher screen resolution?
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Smaller Icons may be difficult to see. Higher resolution also rewires a higher refresh rate which requires more power which slows down the processing power.
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What applications are suitable for lower resolution settings?
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Displaying draft quality text and images.
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What applications are suitable for higher end resolution?
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Artist or Web Desighners.
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To display high quality text and graphics what dot pitch is required?
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Dot Pitch refers to the distance between the center of pixels on a display. A Dot Pitch of 0.26 mm will display high quality text and graphics and is suitable for most applications.
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What is nessecary for a canstant flicker free images on a monitor?
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A high Refresh Rate. Refresh Rate refers to the times per second that the screen in refreshed. (redrawn) . Minimum refresh rate should be a minimum of 72 Hertz
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