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what is a 3-d accelerator 3-d accelerator is no magic technology it is merely an accelerator chip which has built-in ability to perform the
q describe the graphic acceleratorsa graphic accelerator is actually a chip as a matter of fact most significant chip in your video card the graphic
q define the refresh rates and frame ratea special circuit known as the video controller scans video memory one row at a time and reads data value at
q what is a good resolutionin fact it relies on your hardware hence its the maximum your hardware can allow you but one odd-looking resolution
q calculations for a standard vga graphics screenlets do the calculations for a standard vga graphics screen 640times480 using 16 colourstotal number
q what do you mean by video memory as declared before video memory is also entitled framebuffer since it buffers video frames to be displayed the
design a synchronous recycling mod-12 counter with d ff3939s use the states 0000 through 1011 in the
create a flowchart showing average score for the 3 quizzes assume that there are 3 sections each having 5 students the only valid number to be
q function of osi transport layer- it takes the information to be sent as well as breaks it into individual packets that are sent and reassembled
q define colour depth in graphic display systemit is clear that an image contains an array of pixels if we tell which pixels are off and which
q what do you mean by resolutionresolution is parameter which defines possible sharpness or clarity of a video image resolution is defined as
q define resolution versus accuracy in mouseresolution of mouse is known in cpi counts per inch it implies that number of signals per inch of
q what do you mean by mouse protocolsmouse protocol is the digital code to that signal from the mouse gets converted there are four main protocols
q what is serial mousemice that use standard serial port are known as serial because serial ports 1 and 4 com1 com4 under dos devttys0 and devttys3
q explain about different types of micemice can be classified on the foundation of numbers of buttons position sensing technology or type of
the concept of mouse was designed by douglas c engelbart of stanford research institute and first mouse was designed by xerox corporation mouse
q describe ergonomic keyboardsergonomics is the study of environment conditions as well as efficiency of workers ergonomics proposes that keyboard
ps2 connector ps2 keyboardsthese were introduced with ibms ps2 computers and therefore are known as ps2 connectors they have 6-pins but actually
5-pin din connectorit is the connector of conventional keyboard which have 5 pins 2 in 2 out and one ground pin used for transfer and
q standards for scan codes there are 3 standards for scan codes mode1 83-key keyboard pc pc-xt and mode2 84-key at keyboard and mode3 101-key
q what do you understand by scan codesa scan code is a code produced by a microprocessor in keyboard when a key is pressed and is unique to key
q illustrate working of rubber dome keyboardsrubber dome in rubber dome keyboards both positioning and contact are controlled by a puckered sheet of
contact-based keyboards employ switches directly though they have a comparatively shorter life they are the most preferred type these days because of
q what is capacitor-based keyboardsthese keyboards are based on the idea of capacitance a simple capacitor comprises a pair of conductive plates
q what do you mean by keyboard touchwhen employing a keyboard the most important factor is the feel of keyboard it implies that how typing feels on