110) Which of the following is an unweighted code

8421 code

excess 3 code

2421 code

5211 code

Answer is:

excess 3 code

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111) Let an, an-1 ,_____ a1, a0 be the binary representation of an integer b. Then b is divisible by 3 if

number of 1's is divisible by 3

number of 0's is divisible by 3

(a) difference of alternate sum, i.e. a0 + a2 +.........- (a1 + a2 + ...) is divisible by 3

Answer is:

(a) difference of alternate sum, i.e. a0 + a2 +.........- (a1 + a2 + ...) is divisible by 3

112) Which of the following binary is equal to its l ′s complement ?

1010

1001

No such number exists

None of these

Answer is:

No such number exists

113) Which of the following binary numbers is the same as its 2 ′s complement?

1010

101

1000

1001

Answer is:

1000

114) Which of the following statements is not true about BCD code

Conversion to and from the decimal system can be done easily.

It is a 8-4-2-1 weighted code

Both (a) and (b)

Complement of a number can be found efficiently

Answer is:

Complement of a number can be found efficiently

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110) Which of the following is an unweighted code

excess 3 code

Digital Logic MCQ with Answers

Related Digital Logic MCQ with Answers

111) Let an, an-1 ,_____ a1, a0 be the binary representation of an integer b. Then b is divisible by 3 if

(a) difference of alternate sum, i.e. a0 + a2 +.........- (a1 + a2 + ...) is divisible by 3

112) Which of the following binary is equal to its l ′s complement ?

No such number exists

113) Which of the following binary numbers is the same as its 2 ′s complement?

1000

114) Which of the following statements is not true about BCD code

Complement of a number can be found efficiently

Digital Logic MCQ with Answers