A Best Way To Crack Gorenment Job Exams

Technical Mcqs Objective Questions { Digital Electronics:: Digital Concepts }



8. A full subtracter circuit requires ________.
A. two inputs and two outputs
B. two inputs and three outputs
C. three inputs and one output
D. three inputs and two outputs
Discussion
9. The output of an AND gate is LOW ________.
A. all the time
B. when any input is LOW
C. when any input is HIGH
D. when all inputs are HIGH
Discussion
10. Give the decimal value of binary 10010.
A. 610
B. 910
C. 1810
D. 2010
Discussion
11. Parallel format means that:
A. each digital signal has its own conductor.
B. several digital signals are sent on each conducto
C. both binary and hexadecimal can be used.
D. no clock is needed.
Discussion
12. A decoder converts ________.
A. noncoded information into coded form
B. coded information into noncoded form
C. HIGHs to LOWs
D. LOWs to HIGHs
Discussion
13. A DAC changes ________.
A. an analog signal into digital data
B. digital data into an analog signal
C. digital data into an amplified signal
D. none of the above
Discussion
14. The output of a NOT gate is HIGH when ________.
A. the input is LOW
B. the input is HIGH
C. the input changes from LOW to HIGH
D. voltage is removed from the gate
Discussion

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