Electronics and Communication Engineering - Digital Electronics

41.
A 3 bit binary adder can add
2 bits
2 bits
3 bits
8 bits
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The logic performed by the high-noise immunity logic circuit shown below is
OR
AND
NOR
NAND
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
An 8156 has A15 connected to its CE input. A14 to A8 are unconnected, and AD7 to AC0 are connected.Ignoring shadows, the port addresses
80 H
85 H
82 H, 83 H
80 H to 85 H
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
In 8085 microprocessor, what is the length of IR (instruction register)?
6 bits
8 bits
12 bits
16 bits
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
A sequence detector is required to give a logical output of 1 whenever the sequence 1011 is detected in the incoming pulse stream. Minimum number of flip-flops needed to built the sequence detector is
4
3
1
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.