Electronics and Communication Engineering - Digital Electronics
Exercise : Digital Electronics - Section 5
- Digital Electronics - Section 13
- Digital Electronics - Section 24
- Digital Electronics - Section 23
- Digital Electronics - Section 22
- Digital Electronics - Section 21
- Digital Electronics - Section 20
- Digital Electronics - Section 19
- Digital Electronics - Section 18
- Digital Electronics - Section 17
- Digital Electronics - Section 16
- Digital Electronics - Section 15
- Digital Electronics - Section 14
- Digital Electronics - Section 1
- Digital Electronics - Section 12
- Digital Electronics - Section 11
- Digital Electronics - Section 10
- Digital Electronics - Section 9
- Digital Electronics - Section 8
- Digital Electronics - Section 7
- Digital Electronics - Section 6
- Digital Electronics - Section 5
- Digital Electronics - Section 4
- Digital Electronics - Section 3
- Digital Electronics - Section 2
21.
The complement of exclusive OR function is
Answer: Option
Explanation:
Complement of XOR is X NOR.
22.
Decimal -90 equals __________ in 8 bit 2s complement
Answer: Option
Explanation:
+90 in binary is 01011010. Its 2's complement is 10100110.
23.
23.610 = __________ 2
Answer: Option
Explanation:
23= 10111 and 0.6 =10011 Hence 10111 . 10011 .
24.
In a shift left register, shifting a bit by one bit means
Answer: Option
Explanation:
In binary shift one bit left means multiplication by 2.
25.
If A = B = 1, the outputs P and Q in the given figure are
Answer: Option
Explanation:
It is a half adder 1 + 1 = 10. Therefore SUM = P = 0 and Carry = Q = 1.
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