Carry out the following calculations and conversions by hand (showing all the working). (a) Compute the sum XXXXXXXXXX) 2 XXXXXXXXXX) 2 (without changing the base). (b) Compute the sum (246) 8...

 Carry out the following calculations and conversions by hand (showing all the working).

(a) Compute the sum (1011011)₂
+ (11010)₂
(without changing the base).

(b) Compute the sum (246)₈
+ (1357)₈
(without changing the base).

(c) Convert (297)₁₀
to octal.

(d) Convert (20A5.76)₁₂
to decimal.

(e) Convert (101010011110111001)₂
to a hexadecimal number and add it to (4CB5)
₁₆. Also express the result as a binary number.