Understanding Half and Full Adders (video)

What is the result of adding the binary equivalents of 43 and 107?

• 10010110

• 10011010

• 10100110

• 10010101

Which logic gate is used to produce the sum in a half adder?

• OR

• AND

• XOR

• NAND

What does the AND gate output in a half adder represent?

• Output

• Sum

• Carry

• Input

What additional component does a full adder have over a half adder?

• OR gate

• NAND gate

• Second XOR gate

• NOT gate

How many inputs does a full adder take?

• 1

• 4

• 3

• 2

What is the purpose of the OR gate in a full adder circuit?

• To determine the final sum

• To split the input

• To combine carry outputs

• To reset the circuit

What is a ripple carry adder used for?

• To add single bits

• To reduce power consumption

• To add multi-bit binary numbers

• To stabilize the circuit

In a full adder, what does the carry-in represent?

• The sum of the previous addition

• The carry from the previous addition

• The initial input bit

• The final output bit

Which of the following is not a component of a full adder?

• OR gate

• XOR gate

• AND gate

• NOR gate

What does the ALU in a computer processor use similar logic to?

• Full adder

• All of the above

• Half adder

• Ripple carry adder