Positive logic in a logic circuit is one in which______________?

Positive logic in a logic circuit is one in which______________?

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

Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000 ?

Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000 ?

A. Two’s complement only
B. Sign and magnitude and one’s complement only
C. Two’s complement and one’s complement only
D. All three representations