Convert the following binary numbers to octal

(a) 111010

(b) 110110101

(c) 1101100001

Given that A's code point in ASCII is 65, and a's code point is 97. What is the binary representation of 'A' in ASCII ? (and what's its hexadecimal representation). What is the binary representation of 'a' in ASCII ?

Add the following binary numbers:

(i) 10110111 and 1100101

(ii) 110101 and 101111

(iii) 110111.110 and 11011101.010

(iv) 1110.110 and 11010.011

Convert the following octal numbers to binary:

(a) 7642

(b) 7015

(c) 3576

(d) 705