Digital Computer Electronics – Section 3

26. Conversion of binary number 1001010₂ to its decimal number is

A. 74₁₀
B. 97₁₀
C. 72₁₀
D. 63₁₀
E. None of the above

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27. A combinational logic circuit which generates particular binary word or number is

A. decoder
B. multiplexer
C. encoder
D. demultiplexer
E. None of the above

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28. The 1’s complement of binary number 11010 is:

A. 00101
B. 00010
C. 00110
D. 11101
E. None of the above

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29. Conversion of binary number 110000₂ to hexadecimal is

A. 30₁₆
B. 40₁₆
C. 43₁₆
D. 27₁₆
E. None of the above

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30. Conversion of an octal number 106₈ to binary number is

A. 1110010₂
B. 1000110₂
C. 1100110₂
D. 10000110₂
E. None of the above

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