Q. What is the hexadecimal equivalent of the binary number 1010?
Solution
The binary number 1010 is equivalent to A in the hexadecimal number system.
Correct Answer:
A
— A
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Q. What is the output of a binary AND operation for inputs 1 and 0?
Solution
The output of a binary AND operation is 0 when one of the inputs is 0.
Correct Answer:
B
— 0
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Q. What is the purpose of a Schmitt trigger?
-
A.
To amplify signals
-
B.
To convert analog signals to digital
-
C.
To provide hysteresis in signal processing
-
D.
To rectify AC signals
Solution
A Schmitt trigger provides hysteresis, which helps in cleaning up noisy signals.
Correct Answer:
C
— To provide hysteresis in signal processing
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Q. Which number system is primarily used in digital electronics?
-
A.
Decimal
-
B.
Binary
-
C.
Octal
-
D.
Hexadecimal
Solution
The binary number system is primarily used in digital electronics as it represents data in two states, 0 and 1.
Correct Answer:
B
— Binary
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Q. Which of the following is a valid binary number?
-
A.
102
-
B.
1101
-
C.
ABC
-
D.
1.01
Solution
1101 is a valid binary number as it consists only of the digits 0 and 1.
Correct Answer:
B
— 1101
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