Electronics and Communication Engineering - Electronic Devices and Circuits

21.
A universal shift register can shift left or right.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
The circuit given below is a
counter
digital to analog converter
two-bit series-to-parallel converter
analog-to digital converter
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
The high voltage level of a digital signal in positive logic is
1
0
either 1 or 0
-1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
A 7477 decoder drives
seven-segment display
nickel tape
relays
diode matrix
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
BCD numbers are useful whenever
binary to hexadecimal conversion is desired
binary to BCD conversion is desired
decimal information is transferred into or out of a digital system
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.