Number Systems and Codes MCQs

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Practice free Number Systems and Codes multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 129 questions — no login required.

Question 19easy
The BCD number for decimal 347 is ________.
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Question 20easy
The binary number for octal 458 is ________.
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Question 21easy
The sum of 11101 + 10111 equals ________.
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Question 22easy
Convert the following binary number to decimal. 100110102
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Question 23easy
The decimal number 188 is equal to the binary number ________.
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Question 24easy
Convert the following binary number to octal. 0011010112
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Question 25easy
How many bits are in an ASCII character?
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Question 26easy
Convert decimal 213 to binary.
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Question 27easy
The decimal number for octal 748 is ________.
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