Electronics and Communication Engineering - Electronic Devices and Circuits

11.
A Karnaugh map with 4 variables has
2 cells
4 cells
8 cells
16 cells
Answer: Option
Explanation:

24= 16.


12.
An 8 bit data is to be entered into a parallel in register. The number of clock pulses required is
8
4
2
1
Answer: Option
Explanation:

In a parallel in register only one pulse is needed to enter data.


13.
Which of the following is error correcting code?
EBCDIC
Gray
Hamming
ASCII
Answer: Option
Explanation:

Hamming code is widely used for error correction.


14.
A universal shift register can shift
from left to right
from right to left
both from left to right and right to left
none of the above
Answer: Option
Explanation:

Both left to right and right to left operations are possible in universal shift register.


15.
Available multiplexer IC package can have a maximum of 8 inputs.
True
False
Answer: Option
Explanation:

16 : 1 1C multiplexer is also available.