31. The number of binary bits required to represent a hexadecimal digit is

A. 3
B. 4
C. 6
D. 8
E. None of the above

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32. Instead of counting with binary numbers, a ring counter uses words that have a single high _____

A. bytes
B. bit
C. gate
D. chip
E. None of the above

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33. Multiplication of 111₂ by 101₂ is

A. 110011₂
B. 100011₂
C. 111100₂
D. 000101₂
E. None of the above

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34. For what logic gate the outputs in complement of the input?

A. NOT
B. AND
C. OR
D. XOR
E. None of the above

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35. What is the decimal equivalent of 2¹⁰?

A. 4096
B. 1024
C. 1000
D. 16
E. None of the above

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