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20 Cards in this Set
- Front
- Back
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What are the two major types of mice in use today?
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Optical and Opto-mechanical
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What are the two majortypes of keyboards in use today?
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Keyswitched and Capacitive.
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"Debouncing" refers to______.
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Cleaning up keyboard signals and preventing multiple characters from a single keypress.
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What monitor has the highest resolution?
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XGA. Could support 256 colors at 1,024 x 768 pixels.
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Which type of computer communication uses a separate timing signal to dictate transmission times?
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Synchronous. Synchronous communications uses a clock signal that is separte from the data signal;communication can only happen during a tick of the timing signal.
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Which IRQ does COM 1 share with COM 3?
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4.Because of the configuration of the original 8-bit bus that supported only 8 IRQs, when COM 3 was added, it had to share IRQ4 with COM 1.
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Which type of mouse interface is a small, round PS/2 connector and is attached to an 8-bit interface card that is installed directly onto the computer's bus?
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Bus mouse interface. The bus mouse interface is a small, round PS/2 connector and is attached to an 8-bit interface card that is installed directly onto the computer's bus.
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Which type of output device draws the image with a pen one shape at a time and uses CAD software to produce blueprints or tehnical diagrams?
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Plotters. Draw the image with a pen one shape at a time and use CAD software to produce blueprints or technical software.
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Which LCD maxtix screen works in a manner similar to an LCD watch.
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Active maxtrix. The LCD watch was the precursor technology to active matrix LCD screens.
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If a display adapter is a VGA adapter in the standard configuration, what would the default resolution/color be?
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640 x 480 with 16 colors. This video technology had 256Kb of video memory on board and could display 16 colors at 640 x 480 pixels.
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All of the following(EGA,CGA,VGA,XGA,SVGA,DVGA) can be considered video technologies except_________.
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DVGA.
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A VGA extension cable will have____.
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DB-15M to DB-15M. The VGA extension cable will have a DB-15M on both connectors.
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Which of the following types of output devices puts computer data on paper?
Modems,Monitors,LCDs,Printers |
Printers
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Which type of output device has the highest resolution(therefore the best quality)?
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EP Printers. The images produced by electorphotographic(EP) printers are of the very best quality and they produce these images at higher speeds.
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COM 1 shares an IRQ with which other COM port?
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COM 3. Because of the congfiguration of the original 8-bit bus (which supported only 8 IRQs,and had only COM 1 and COM 2), when COM 3 was added later, it shared the IRQ with COM 1.
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Which type of scanner gives the best quality and highest resolution?
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Flatbed.
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Which type of signal degrades the most over longer distances?
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Digital. Of the signals listed, digital is least suited for long distances because it degrades the most.
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What is the maximum practical length of a standard parallel printer cable?
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10 feet. You can buy longer standard cables but it is recommended you don't use them.because of data loss problems with cables over 10 feet.
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You find a cable in a box of old computer parts. It has a DB-25F connector on both ends. What kind of cable is it most likely to be?
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Null modem cable. A cable with both ends having a DB-25F connector is classified as a null modem cable.
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Which types of mouse interface technology use an interrupt (other than the ones a PC is normally using)?
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Bus and PS/2. The PS/2 and bus mouse technology use a separate interrupt.
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