The 8421-BCD code for decimal 74 is ().
A. 01110100
B. 01001010
C. 11010100
D. 1111000
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The term bit means ()
A. a small amount of data
B. a 1 or a 0
C. binary digit
D. both answers B and C
A quantity having continuous values is ()
A. a digital quantity
B. an analog quantity
C. a binary quantity
D. a natural quantity
An inverter()
A. performs the NOT operation
B. changes a HIGH to a LOW
C. changes a LOW to a HIGH
D. does all of the above
The output of an OR 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
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