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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 22
16.
When two 16-input multiplexers drive a 2-input MUX, what is the result?
2-input MUX
4-input MUX
16-input MUX
32 input MUX
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Two voltages are -5 V and -10 V. In positive logic
-5 V is 1 and -10 V is 0
-10 V is 1 and -5 V is 0
-5 V is 1 in some circuits and 0 in others
-10 V is 1 in some circuits and 0 in others
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
In floating point number 0110100000010101, the exponent is equal to __________ 10
11
-11
10
-10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
figure shows three pulse train inputs to a 3-input OR gate. Assuming positive logic, the output pulse rate train in figure (b) would be
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The advantage of using dual slope ADC in digital voltmeter is that
its conversion time is small
its accuracy is high
its output is in BCD
it does not require a comparator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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