If you expand two 4-bit comparators to accept two 8-bit numbers, the output of the least significant comparator is ()
A. equal to the final output
B. connected to the cascading inputs of the most significant comparator
C. connected to the output of the most significant comparator
D. not used
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Adjacent cells on a Karnaugh map differ from each other by ()
A. one variable
B. two variables
C. three variables
D. None of above
01100111 is a gray code and its related binary is ()
A. 01010100
B. 01000101
C. 01010101
D. 01111010
Which of the following even parity code is in error? ()
A. 1011001
B. 1011110
C. 0000000
D. 1111110
The output of an AND gate is HIGH when ()
A. any input is HIGH
B. all inputs are HIGH
C. no inputs are HIGH
D. both answers A and B