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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.
With the help of R-2R binary network, explain the working of a 3-bit D/A converter and derive an expression for the output voltage. Ans: We see a 3-bit R-2R ladder D/A netwo
Determine about the Signals to televisions Signals to televisions are now sent digitally thus need a computer to interpret as well as decode these signals into a sound/picture;
Define speculative execution. Speculative execution means that instructions are implemented before the processor is particular that they are in the correct execution sequence.
What is the difference between char a[] = "string"; and char *p = "string";? Ans) In the first case 6 bytes are assigned to the variable a which is fixed, where as in the secon
What is PCI bus? The Peripheral component interconnect(PCI) bus is a standard that handles the functions found on a processor bus but in a standardized format that is independe
write algorithm and draw flowchart for exchange the values of two variables.
recovery techniques
Purpose of storage: Several different forms of storage, based on different natural phenomena, have been invented. So far, no practical universal storage medium persists, and a
Can you define a field without a data element? Yes. If you require specifying no data element and thus no domain for a field, you can enter data type and field length and a sh
Q. Define the Refresh Rates and frame rate? A special circuit known as the Video Controller scans video memory one row at a time and reads data value at each address sending th
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