nine-bit twos complement 18. Perform the following additions, assuming 0 1010 1100 0 0011 1010 binary representation. Show the effect on the status bits: 1 1110 0101 00011 0101 (b) ADD N= ADD 1 0001 1011(d) 1 0101 0100 1 1000 0101 11101 0110 ADD ADD 1 0010 0111 0 1010 0111 (0) 0 0011 0100 0 1101 0010 ADD ADD C- 19. With two's complement binary representation, what is the range of numbers as written in binary and in decimal notation for the following cells? (c) a four-bit cell "(a) a two-bit cell (b) a three-bit cell (d) a five-bit cell (e) an n-bit cell in general 58