Binary Integers
Unsigned Binary numbers (only positive)
- Base 2 numbers, only two digits {0, 1}
- i = 1001012 ; i = 1*25 + 0*24 + 0*23 + 1*22 + 0*21 + 1*20
Sign-Magnitude := Highest order bit is the sign bit
- Example: 0101102 = 2210 ; 1101102 = -2210
2’s Complement i = -an-1*2n-1 + an-2*2 n-2 + ... a0*20
- Example: 0101102 = 2210 ; 1010102 = -2210 (6-bit 2’s comp.)
- Examples: 010 = 0000002; 110 = 0000012; -110 = 1111112