1. Convert the given binary numbers in decimal: 101110; 1110101; and 110110100.
2. Convert the given decimal numbers to bases indicated.
a. 7562 to octal
b. 1938 to hexadecimal
c. 175 to binary
3. Illustrate the value of all bits of a 12-bit register which hold the number equivalent to decimal 215 in (a) binary; (b) octal; (c) hexadecimal; (d) binary-coded decimal (BCD).