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Cathode Ray Tube - Graphics Hardware
Cathode Ray Tube: this is a refreshing display device. The idea of a refreshing display is depicted pictorially is given as:
In fact the picture information is specified through the stream of electrons (e-) and its flow is controlled through the display controller as the control is according to the information supplied through the picture, initially the controlled e- flow generates scintillations on the screen of the display device and the image is made. The display is termed as a refreshing display since display is continuously created through the continuous impugnation or striking of e- on the screen at the similar point. This is same image is continuously made 40 to 50 times per second that is continuous refreshing occurs.
Figure: CRT
For exact image we also need to insert a "Digital to Analog or D/A converter": this is an electronic circuit for digital to analog conversion, between the display device and the display controller.
Algorithms for filled-area primitives These algorithms are classified into two categories (i) Scan line algorithms (ii) Seed fill algorithms.
Important Points about the Curve segment - properties of bezier curves Note : if P (u) → = Bezier curve of sequence n and Q (u) → Bezier curve of sequence m. After that Co
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Question 1) Encode the following string using HUFFMAN ENCODING: DO YOU LIKE TINKY WINKY OR EMPTY DUMPTY? Empty spaces are considered.
plz difine types of chractar genration..
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QUESTION (a) Give some ways you can change the magnification of a document? (b) Give three ways to display a panel? (c) Identify the differences between Selection tool an
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