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Comments
Question
An AND gate has 7 inputs, what is the only input word that produces a 1 output?
Options
A. 0000000
B. 0001111
C. 1110000
D. 1111111
E. None of the above
Correct Answer
1111111
Digital Computer Electronics problems
Search Results
1. _____ is the fastest logic family; it's used in high-speed applications.
Options
A. DTL
B. TTL
C. ECL
D. MOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: ECL
2. Conversion of decimal number 89
10
it's binary number equivalent is
Options
A. 1011011
2
B. 1100111
2
C. 1011001
2
D. 10011
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1011001
2
3. Binary means _____
Options
A. Three
B. Four
C. Ten
D. Two
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two
4. The master slave JK flip-flop is effectively a combination of
Options
A. an SR flip-flop and a T flip-flop
B. an SR flip-flop and a D flip-flop
C. a T flip-flop and a D flip-flop
D. two T flip-flops
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: an SR flip-flop and a T flip-flop
5. Arithmetic operation are coded in
Options
A. Decision symbols
B. Input/Outpur(I/0)
C. Processing symbols
D. Terminal symbols
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Processing symbols
6. Which of the following logic families use bipolar transistors?
Options
A. TTL
B. GaAS
C. NMOS
D. CMOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: TTL
7. The _____ is a sequence of instructions that tells the computer how to process the data.
Options
A. data
B. program
C. controls
D. instruction
E. None of the above
Show Answer
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Discuss
Correct Answer: program
8. Conversion of binary number 1100011
2
to hexadecimal is
Options
A. 63
16
B. 57
16
C. 46
16
D. 40
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 63
16
9. An AND gate has 7 inputs. How many input word are in its truth table?
Options
A. 64
B. 32
C. 16
D. 128
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 128
10. An XOR gate recognizes only words with an _____ number of 1's.
Options
A. even
B. odd
C. different
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: odd
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