Digital Electronics sample paper for CGI - placement paper

Digital Electronics sample paper for CGI - placement paper

Q. For the following truth table, find the value of Y?

ABCY 0001 0011 0100 0110 1000 1010 1101 1111

Q. In the binary form of 8*1024+3*64+3, how many 1’s are present?

Q. If a digital circuit is implemented as ( AB) (A)XOR(B) rather than implementing (AB)+ (A)XOR(B), what are the chances of errors performed by the circuit?