State True (T) or False (F).

1. Binary number system is not used in computers.
2. 4+3 in octal is same as 4+3 in hexadecimal.
3. Decimal number system is used to represent digits from 0 to 15.
4. While converting from binary to octal you need to form groups consisting of 4 digits from right to left.
5. Hexadecimal numbers cannot be added.

Fill in the blanks with the correct word:

1. The base of hexadecimal number is ______________.
2. The hexadecimal equivalent of D is ______________.
3. Digits from 0 to 7 are used with __________ number system.
4. The largest possible digits in decimal number system are ____________.
5. The number of digits used in a number system is called its ___________.

Convert the following:

1. 46₁₀ to base 2
2. 479₁₀ to base 8
3. 2560₁₀ to base 16
4. 7349₁₀ to base 8

Convert the following:

1. 10111011₂ to base 10
2. 4765₈ to base 10
3. AB1F₁₆ to base 10
4. DA0FF₁₆ to base 10

Convert the following:

1. 10110111101₂ to base 8
2. 110000111₂ to base 8
3. 1011111010010₂ to base 16
4. 111100100100₂ to base 16