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Number Systems and Codes
Comments
Question
The weight of the LSB as a binary number is:
Options
A. 1
B. 2
C. 3
D. 4
Correct Answer
1
Number Systems and Codes problems
Search Results
1. Convert the binary number 1001.0010 to decimal.
Options
A. 125
B. 12.5
C. 90.125
D. 9.125
Show Answer
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Discuss
Correct Answer: 9.125
2. What is the decimal value of the hexadecimal number 777?
Options
A. 191
B. 1911
C. 19
D. 19111
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Correct Answer: 1911
3. 3428 is the decimal value for which of the following binary coded decimal (BCD) groupings?
Options
A. 11010001001000
B. 11010000101000
C. 011010010000010
D. 110100001101010
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Correct Answer: 11010000101000
4. Which is the TRIAC?
Options
A.
B.
C.
D.
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Correct Answer:
5. What type of application would use an injection laser diode?
Options
A. a 10BASE-T Ethernet
B. a liquid crystal display
C. a fiber optic transmission line
D. a good flashlight
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Correct Answer: a fiber optic transmission line
6. What is the result when a decimal 5238 is converted to base 16?
Options
A. 327.375
B. 12166
C. 1388
D. 1476
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Correct Answer: 1476
7. Convert the decimal number 151.75 to binary.
Options
A. 10000111.11
B. 11010011.01
C. 00111100.00
D. 10010111.11
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Correct Answer: 10010111.11
8. The number of bits used to store a BCD digit is:
Options
A. 8
B. 4
C. 1
D. 2
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Correct Answer: 4
9. Base 10 refers to which number system?
Options
A. binary coded decimal
B. decimal
C. octal
D. hexadecimal
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Correct Answer: decimal
10. Sample-and-hold circuits in ADCs are designed to:
Options
A. sample and hold the output of the binary counter during the conversion process
B. stabilize the ADCs threshold voltage during the conversion process
C. stabilize the input analog signal during the conversion process
D. sample and hold the ADC staircase waveform during the conversion process
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Correct Answer: stabilize the input analog signal during the conversion process
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