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Question :
(a) "Resolution refers to the sharpness and clarity of an image"
(i) Explain what you understand by the above statement.
(ii) What is the difference between DPI and PPI.
(iii) Explain why it is preferable to use 72ppi for web and 300dpi for high end printing.
(b) Flatbed scanners are commonly used for small businesses while drum scanners are sued mostly by production houses for high end results.
(i) What is the main difference between flatbed scanners and drum scanners.
(ii) Give three advantages and three disadvantages of each of the above mentioned scanners.
(c) Interlacing is a method of sending picture data over the internet. Explain what you understand by the term interlacing.
The concept of Mouse was designed by Douglas C. Engelbart of Stanford Research institute and first Mouse was designed by Xerox corporation. Mouse itself is a device that gives you
The Gantt chart shows the several activities of each processor with respect to progress in time in idle-overhead -busy modes with respect to each processor. Kiviat diagram: Th
There are no needs.. If you need to use a Viewport you can! If you want to render components into divs... you can do that aswell.
Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
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write a program that counts the number of occurrences of the string in the n-th Padovan string P(n)
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Why address bus is unidirectional and data bus is bidirectional? Ans) Because there is no require address transaction among processor and peripheral device but data bus is req
What are the restrictions of traditional payment instruments? How are such restrictions overcome by electronic payment systems? The restrictions of traditional payment system a
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