Electronics and Communication Engineering - Electronic Devices and Circuits

46.
In the 8421 BCD code, the decimal number 125, is written as
1111101
0001 0010 0101
7 D
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
110.112 x 1102 = __________ 10
40.5
30.5
20.5
10.5
Answer: Option
Explanation:

110.11 =6.75 and 110 = 6 and 6.75 x 6 = 40.5 in decimal.


48.
Y = A + A B is the same as
Y = AB
Y = A + B
Y = A + B
Y = A + B
Answer: Option
Explanation:

Verify by preparing truth table.


49.

Assertion (A): Different symbols are used for different gates

Reason (R): IEEE symbols are the same as traditional symbols for gates.

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:

IEEE symbols are different than traditional symbols.