A. | 8421 code |
B. | excess 3 code |
C. | 2421 code |
D. | 5211 code |
Option: B Explanation : Click on Discuss to view users comments. |
Let a_{n} , a_{n-1} ,............ a_{1}, a_{0} be the binary representation of an integer b. Then b is divisible by 3 if
A. | number of 1's is divisible by 3 |
B. | number of 0's is divisible by 3 |
C. | (c) number of 1's of is divisible by 6 |
D. | (a) difference of alternate sum, i.e. a_{0 }+ a_{2 }+.........- (a_{1} + a_{2} + ...) is divisible by 3 |
Option: D Explanation : Click on Discuss to view users comments. |
A. | 1010 |
B. | 1001 |
C. | No such number exists |
D. | None of these |
Option: C Explanation : Click on Discuss to view users comments. |
A. | 1010 |
B. | 0101 |
C. | 1000 |
D. | 1001 |
Option: C Explanation : Click on Discuss to view users comments. |
A. | Conversion to and from the decimal system can be done easily. |
B. | It is a 8-4-2-1 weighted code |
C. | Both (a) and (b) |
D. | Complement of a number can be found efficiently |
Option: D Explanation : Click on Discuss to view users comments. |