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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 13
21.
In 8085 microprocessor, even after a Reset operation which of the following interrupts remains enabled?
INTR
RST 5.5
RST 7.5
TRAP
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A decoder can be used as a demultiplexer.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
ADC 0804 is a
dual slope A/D converter
single slope A/D converter
successive approximation A/D converter
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The noise margin of a TTL gate is about
0.2 V
0.4 V
0.6 V
0.8 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.

Assertion (A): BCD code is used in pocket calculators

Reason (R): BCD code is slower than binary.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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