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Digital Concepts
Comments
Question
Give the decimal value of binary 10010.
Options
A. 6
10
B. 9
10
C. 18
10
D. 20
10
Correct Answer
18
10
Digital Concepts problems
Search Results
1. A classification of ICs with complexities of 100 to 10,000 equivalent gates per chip is known as ________.
Options
A. SSI
B. MSI
C. LSI
D. VLSI
Show Answer
Scratch Pad
Discuss
Correct Answer: LSI
2. A decoder converts ________.
Options
A. noncoded information into coded form
B. coded information into noncoded form
C. HIGHs to LOWs
D. LOWs to HIGHs
Show Answer
Scratch Pad
Discuss
Correct Answer: coded information into noncoded form
3. Which of the following statements does NOT describe an advantage of digital technology?
Options
A. The values may vary over a continuous range.
B. The circuits are less affected by noise.
C. The operation can be programmed.
D. Information storage is easy.
Show Answer
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Discuss
Correct Answer: The values may vary over a continuous range.
4. What is the decimal value of 2
3
?
Options
A. 2
B. 4
C. 6
D. 8
Show Answer
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Discuss
Correct Answer: 8
Explanation:
2
3
= 2*2*2=8
5. The range of voltages between V
L(max)
and V
H(min)
are ________.
Options
A. unknown
B. unnecessary
C. unacceptable
D. between 2 V and 5 V
Show Answer
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Discuss
Correct Answer: unacceptable
6. How many binary bits are necessary to represent 748 different numbers?
Options
A. 9
B. 7
C. 10
D. 8
Show Answer
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Discuss
Correct Answer: 10
7. Convert the fractional binary number 10010.0100 to decimal.
Options
A. 24.50
B. 18.25
C. 18.40
D. 16.25
Show Answer
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Discuss
Correct Answer: 18.25
8. In a certain digital waveform, the period is four times the pulse width. The duty cycle is ________.
Options
A. 0%
B. 25%
C. 50%
D. 100%
Show Answer
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Discuss
Correct Answer: 25%
9. The output of an OR gate is LOW when ________.
Options
A. all inputs are LOW
B. any input is LOW
C. any input is HIGH
D. all inputs are HIGH
Show Answer
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Discuss
Correct Answer: all inputs are LOW
10. Serial format means digital signals are:
Options
A. sent over many conductors simultaneously.
B. sent over one conductor sequentially.
C. sent in groups of eight signals.
D. sent in binary coded decimal.
Show Answer
Scratch Pad
Discuss
Correct Answer: sent over one conductor sequentially.
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