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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.
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
OBJECTIVE Since graphics plays a very important role in modern computer application, it is important to know more information about its hardware and software operations. Despite
In computers, colours are created by blending different combinations of red, green and blue. These colours are normally specified as three two-digit hexadecimal numbers in html, ph
Consequently some methods are utilized to handle this huge information and these methods are termed as animation process that are classified as: First Method: In this method,
QUESTION 1. Create a COMPLETE storyboard for a movie of 2 minutes duration on ONE of the following subject: a. Poverty b. Global Warming c. Smoking d. Drugs e. D
Graphics Hardware - Computer aided Design Despite with which advance graphic software you are working along with, if your output device is not well or hardware handling which
Digital audio technologies DAB (Digital Audio Broadcasting) Digital Audio Tape (DAT) DVD DVD-A Digital audio player Compact disc (CD) Minidisc (obsolete
Rotation about an arbitrary axis Rotation about an arbitrary axis is a composition of several rotations and translation operations. What you need to do is the following: a)
What is vanishing point and view reference point? The perspective projections of any set of parallel lines that are not parallel to the projection plane converge to appoint cal
What is a spline? To produce a smooth curve by a designed set of points, a flexible strip called spline is used. Like spline curve can be mathematically explained with a piece
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