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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.
Explain the advantages of computer Computer is one of the main components of an Information Technology network and getting increasing popularity. Nowadays, computer technology
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What is actor? An actor is a direct external user of a system. Every actor shows objects that behave in a particular way towards systems. Actors are directly linked to system.
Serial Execution Execution of a program consecutively, one statement at a time. In the easiest sense, this is what occurs on a one processor machine. However, even many of the
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