Exercise 2. 1. What are the ranges of 8-bit, 16-bit, 32-bit and 64-bit integer, in unsigned and signed representation? 2. Give the value of 88, 0, 1, 127, and 255 in 8-bit unsigned representation 3. Give the value of +88, -88 , -1, 0, +1, -128, and +127 in 8-bit 2's complement signed representation 4. Give the value of +88, -88 , -1, 0, +1, -127, and +127 in 8-bit sign-magnitude representation. 5. Give the value of +88, -88 , -1, 0, +1, -127 and +127 in 8-bit 1's complement representation