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Digital Computer Electronics
Comments
Question
Which of the following logic families use bipolar transistors?
Options
A. TTL
B. GaAS
C. NMOS
D. CMOS
E. None of the above
Correct Answer
TTL
Digital Computer Electronics problems
Search Results
1. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 1111111
2. _____ 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
3. 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
4. Binary means _____
Options
A. Three
B. Four
C. Ten
D. Two
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two
5. 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
6. 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
Scratch Pad
Discuss
Correct Answer: program
7. 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
8. 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
9. 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
10. The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output
Options
A. low, high
B. high, low
C. odd, even
D. even, odd
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: low, high
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