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Event Driven Devices - Polling
Polling: The status of all devices is periodically checked in a repetitive manner through a polling loop. While an event happens, the loop is exited and the consequent event is handled by executing some special event-handling routine or task. Again the polling carries on. The disadvantage is, the processor has to stay in an idle state till some event happens. Data entered can be missing if an event happens at a time while the major program is not in its polling loop.
Q. What is the difference between tones and tints? Which one component of YIQ color model does black- and- white television use? How can you convert a ZTSC video signal to an RGB s
Question : You have been approached to design a ‘tuck top auto-lock bottom' carton package for a high-end cosmetic jar under the brand name ‘Beauty One'. Your client asked you
Cohen Sutherland algorithm Point clipping is very simple. All you need to check is whether a point is inside the window extremes in x- and y-directions. For line clipping sev
Merits -Phong shading or Normal Vector Interpolation Shading Hence by finding intensities at various points across the edge we determine the intensity that is varying across t
how can we write the introduction matter for graphicaluser interface
Various ways of simulating motion:- - Zero Acceleration (Constant Speed) - Non-Zero Accelerations - Positive accelerations
Can you give some basic features of computer graphics? The methods of computer graphics are the manipulation and creation of graphics (artificial images) by computer.
What is Transformation? Transformation is the process of introducing changes in the shape size and orientation of the object using scaling rotation reflection shearing & trans
QUESTION (a) What are the main purposes of using master pages? (b) How do you select a master page item on a document page? (c) How do you resize a graphics frame and its
Define pixel and frame buffer? Pixel is shortened forms of picture element. Every screen point is referred to as pixel or pel. Picture definition is kept in a memory area c
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