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

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

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

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

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

29. Conversion of binary number 110000₂ to hexadecimal is

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

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

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