Exercise: Digital Electronics

Questions for: Digital Electronics

The function of interface circuit is
A:
to match output conditions of driver with input conditions of load device
B:
to match output conditions of load device with input conditions of driver
C:
both (a) and (b)
D:
neither (a) nor (b)
Answer: A

Output of driver stage has to be matched with input of load.

📖
📝
💬
👁️
A full subtractor has a total of
A:
2 inputs
B:
3 inputs
C:
4 inputs
D:
5 inputs
Answer: B

📖
📝
💬
👁️
A multilevel decoder is more costly as compared to single level decoder.
A:
True
B:
False
C:
D:
Answer: A

A multi level decoder may be cheaper than single level decoder.

📖
📝
💬
👁️
The maximum counting range of a four stage counter using IC 74193 is
A:
0 to 1023
B:
0 to 4093
C:
0 to 65535
D:
0 to 131071
Answer: C

IC 74193 is a divide by 16 counter.

Since 4 stages are used, counting range = 164 = 65536.

📖
📝
💬
👁️
A 3 input NAND gate is to be used as inverter. Which of the following will give better results?
A:
The two unused inputs are left open
B:
The two unused inputs are connected to 0
C:
The two unused inputs are connected to 1
D:
None of the above
Answer: C

Unused inputs should be given high input.

📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz