Electronics and Communication Engineering - Digital Electronics
Exercise : Digital Electronics - Section 2
- Digital Electronics - Section 13
- Digital Electronics - Section 24
- Digital Electronics - Section 23
- Digital Electronics - Section 22
- Digital Electronics - Section 21
- Digital Electronics - Section 20
- Digital Electronics - Section 19
- Digital Electronics - Section 18
- Digital Electronics - Section 17
- Digital Electronics - Section 16
- Digital Electronics - Section 15
- Digital Electronics - Section 14
- Digital Electronics - Section 1
- Digital Electronics - Section 12
- Digital Electronics - Section 11
- Digital Electronics - Section 10
- Digital Electronics - Section 9
- Digital Electronics - Section 8
- Digital Electronics - Section 7
- Digital Electronics - Section 6
- Digital Electronics - Section 5
- Digital Electronics - Section 4
- Digital Electronics - Section 3
- Digital Electronics - Section 2
36.
Which display device resembles vacuum tube?
Answer: Option
Explanation:
It is similar to triode.
37.
The number of inputs and outputs of a full adder are
Answer: Option
Explanation:
Inputs are carry from lower bits and two other bits. Outputs are SUM and CARRY.
38.
A VF display operates on the principle of a vacuum diode.
Answer: Option
Explanation:
It operates on the principle of vacuum triode.
39.
In a 3 input NAND gate, the number of states in which output is 0 equals
Answer: Option
Explanation:
Only one input, i.e., A = 1, B = 1 and C = 1 gives low output.
40.
In a mod-12 counter the input clock frequency is 10 kHz. The output frequency is
Answer: Option
Explanation:
Mod-12 counter is divide by 12 counter. Output frequency = 
= 0.833 kHz.
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