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q measure of speed in page or line printermeasure of speed relies on whether the printer is a page printer or lineprinter lets understand
q calculate print speed of printersspeed at which a printer prints is generally an important issue though the printer has to take a certain time to
q define print resolution of printersprint resolution is the detail which a printer can give considered by how many dots a printer can put in each
q show the classification of printersprinters can be classified on following basesa impact impact printers print by impact of hammers on ribbon for
printers are devices which put ink on paper in a controlled manner they manually produce photographic images orreadable text printers have gone
q show the connections used in sound cardssound cards must have connections to allow different functions one of the most significant is midi port
q compatibility of sound cardscompatibility sound cards should be compatible at both software and hardware levels with industry standards most
q what are the main functions of sound cardssound card the card is frequently directly built into motherboards these days is a board that has digital
q what is the working of sound cardsmultimedia has become a very significant part of todays pc home user wants hear songs and watch movies the
mobile cameras are characteristically low-resolution digital cameras integrated in mobile set photographs are characteristically only good enough to
q explain working of digital cameraa digital camera is a camera which captures and stores still images and video digital video cameras as digital
q explain active matrix or thin film transistor technologythis is known as tft thin film transistor technology in this there is a transistor at every
q explain the passive matrix in lcd technologyin a passive matrix arrangement lcd panel has a grid of vertical and horizontal conductors and every
q illustrate lcd technologythe technology behind lcd is known as nematic technology since the molecules of liquid crystals used are nematic which
lcds are the screens of choice for lightweight screens andportable computers they consume very little electricity and have advanced technically to
q define the bandwidth of a monitorbandwidth is the amount of signal the monitor can handle and it is rated in mhz this is the most usually quoted
q explain about interlacinginterlacing is a procedure in which in place of scanning the image one-line-at-a-time its scanned alternatelyit implies
q what is dots per inchdpi dots per inch is a measure for actual sharpness of onscreen image this relies on both the resolution and size of the image
q describe the vertical frequency or cyclelike a fluorescent lamp the screen has to repeat same image many times per second to display an image to
q describe the horizontal frequency or cyclehorizontal frequency the time to scan one line connecting the right edge to left edge of the screen
what are the elements of analysis modeli data dictionaryii entity relationship diagramiii data flow diagramiv state transition diagramv control
q what is dot pitch of a crtdot pitch of a crt is the distance between phosphor dots of same colour in trinitron screens the term slot pitch is used
what are the steps followed in testingi unit testing - the individual components are tested in this method of testingii module testing - related
q explain about cathode ray tubescathode ray tube is the major technology on that televisions and monitors have been based crt is a partially
q what is video card interfaces a video interface is the link of video system to rest of the pc to improve video performance there is