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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.
Q. When gravity is the merely force acting on an object the object is in what? Answer:- One respond is that it is in free-fall in a vacuum to eliminate atmospheric drag.
Q. Illustrate Diffrent types of modems? There are four different types of modems: half-duplex, full-duplex, synchronous, and asynchronous.With half-duplex modems data can be tr
Discuss the classifications of switching systems. The categorizations of switching systems are specified in the block diagram given below:
Explain Auto increment and Auto decrement mode The register is incremented or decremented after (or before) its value is used to access memory. The address stored in the regi
Advantages of EDI 1. EDI replaces paper transactions with electronic transactions therefore it saves times and speeds up transactions. 2. It gives a legal record of busine
Illustrate the term Extranet? Extranet: Extranet is Extension of an Intranet that makes thelatter accessible to outside companies or individuals with or without an intran
Define Polling. A Polling process is used to recognize the highest priority source by software means. In this process there is one common branch address for all interrupts.
Explain the term recursion A recursive function is one which calls itself. Recursive functions are useful in evaluating certain types of mathematical function. Here is a recursiv
HOW TO WORK IN DREAMWEAVER? How and Where to open Dreamweaver? Step 1: Click on Start Step 2: Select Program Step 3: Select Macromedia Dreamweaver Step 4: Click on
Describe the 8251 A programmable communication interface
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