EEE 120 UPDATED SCRIPT 2026 PRACTICE
SOLUTIONS GRADED A+
● Which gate generates a true output only if an odd number of inputs is
true?. Answer: XOR
● Which of the following statement(s) are true? (Multiple correct
answers are possible. Wrong answers will deduct points.). Answer: 1. A
circuit with 4 inputs has 16 possible combinations (truth table lines).
2. All circuits can be created using only NOR gates.
3. You should never tie 2 outputs of two distinct circuits together.
● Which 3-input gate outputs a false value only when all inputs are
true?. Answer: NAND
● Can you construct an XOR gate using only AND/OR/NOT gate(s)?.
Answer: True
● Which of the following statements are true?. Answer: 1. K-Map and
Boolean Algebra can be used to simplify circuits.
2. Equations can be derived from K-Maps using SOP and POS.
, ● Which gate on the list is considered "functionally complete", which
means that you can construct a NOT gate, an AND gate and an OR gate
using a combination of only this particular gate?. Answer: NAND
● Which is the minimum SOP expression for the function F(X,Y,Z) = (X
+ Y')' Z + (XZ)' + Y ? No partial credit is granted for incomplete
simplifications.. Answer: X' + Y + Z'
● Convert the following unsigned binary number to decimal number:
1010 1010. Answer: 170
● How many binary digits (bits) does a Byte have?. Answer: 8
● Which is the correct hexadecimal number corresponding to the binary
number 1010 1011?. Answer: AB
● Convert the following decimal number to hexadecimal: 88. Answer:
58
● Which is the correct 8-bit binary number corresponding to the decimal
number 88?. Answer: 01011000
● What is the decimal number -54 in signed binary.. Answer: 1001010
SOLUTIONS GRADED A+
● Which gate generates a true output only if an odd number of inputs is
true?. Answer: XOR
● Which of the following statement(s) are true? (Multiple correct
answers are possible. Wrong answers will deduct points.). Answer: 1. A
circuit with 4 inputs has 16 possible combinations (truth table lines).
2. All circuits can be created using only NOR gates.
3. You should never tie 2 outputs of two distinct circuits together.
● Which 3-input gate outputs a false value only when all inputs are
true?. Answer: NAND
● Can you construct an XOR gate using only AND/OR/NOT gate(s)?.
Answer: True
● Which of the following statements are true?. Answer: 1. K-Map and
Boolean Algebra can be used to simplify circuits.
2. Equations can be derived from K-Maps using SOP and POS.
, ● Which gate on the list is considered "functionally complete", which
means that you can construct a NOT gate, an AND gate and an OR gate
using a combination of only this particular gate?. Answer: NAND
● Which is the minimum SOP expression for the function F(X,Y,Z) = (X
+ Y')' Z + (XZ)' + Y ? No partial credit is granted for incomplete
simplifications.. Answer: X' + Y + Z'
● Convert the following unsigned binary number to decimal number:
1010 1010. Answer: 170
● How many binary digits (bits) does a Byte have?. Answer: 8
● Which is the correct hexadecimal number corresponding to the binary
number 1010 1011?. Answer: AB
● Convert the following decimal number to hexadecimal: 88. Answer:
58
● Which is the correct 8-bit binary number corresponding to the decimal
number 88?. Answer: 01011000
● What is the decimal number -54 in signed binary.. Answer: 1001010
