Digital Electronics
Statement(A): 2’s complement arithmetic is preferred in digital computers. Statement(R):The Hardware required to obtain the 2’s complement of a number is simple.

 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 A is true but R is false
 Both A & R are true and R is the correct explanation of A

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
Positive logic in a logic circuit is one in which

logic 0 voltage level is higher than logic 1 voltage level
logic 0 and, -1 are represented by negative and positive voltages respectively
logic 0 and 1 are represented by 0 and positive voltage respectively
logic 0 voltage level is lower than logic 1 voltage level.

ANSWER DOWNLOAD EXAMIANS APP