NIMCET Computer Codes Previous Year Questions (PYQs)
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Showing 3 questions
To change upper case to the lower case letter in ASCII, correct mask and operation should be:
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Solution
In ASCII, setting the $6^{th}$ bit converts uppercase to lowercase, done by OR with $0100000$.
The ASCII code of ‘A’ is
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Solution
Character ‘A’ has:
• Decimal ASCII → 65
• Hex ASCII → 41H
• Binary ASCII → 01000001
Among options, correct match = 41H
The minimum number of bits to represent a character from ASCII code set is
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Solution
Answer: 7 bits
Explanation: ASCII has 128 characters (0–127). To represent 128 unique codes, we need 27 = 128 combinations. Hence, 7 bits are sufficient.
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