Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 7

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

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.

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