Question: 1. Use a truth table to determine what boolean logic function is defined by the expression: x + yx' a. OR b. NAND c. NOR

1. Use a truth table to determine what boolean logic function is defined by the expression: x + yx'

a. OR b. NAND c. NOR d. NOT e. XOR f. AND g. None of the above

2. Simplify the following boolean expression: (x + y)'

a. x'x + y'y b. x' + y' c. x'y' d. (xy)' e. None of the above

3. Use the IEEE-754 standard to represent -3.5 in single precision floating point. (enter your answer without spaces and use all 32 bits)

4. What is the decimal result of the following computation (using only 8 bits) if it is done on a machine using 2s complement representation? 01000000 + 01100000 Does an overflow occur? If yes, how can you tell?

5. What is the 8-bit binary representation of the decimal value -127 when stored in a computer using Excess-127?

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