PRE-READING: ADDER

What is a digital ladder circuit used for?

• Subtracting binary numbers

• Multiplying binary numbers

• Adding binary numbers

• Dividing binary numbers

What is the output of a half adder when the inputs are 1 and 1?

• Sum: 0, Carry: 0

• Sum: 1, Carry: 0

• Sum: 1, Carry: 1

• Sum: 0, Carry: 1

What is the Boolean expression for the sum output of a half adder?

• Sum = A OR B

• Sum = A NAND B

• Sum = A AND B

• Sum = A XOR B

What is the purpose of a full adder circuit?

• Dividing three binary digits

• Multiplying three binary digits

• Subtracting three binary digits

• Adding three binary digits

How is a full adder constructed?

• Using two half adders and an OR gate

• Using two AND gates

• Using two NAND gates

• Using two XOR gates

What is the output of a full adder when the inputs are 1, 1, and 1?

• Sum: 0, Carry: 0

• Sum: 1, Carry: 1

• Sum: 0, Carry: 1

• Sum: 1, Carry: 0

What is the purpose of a Ripple Carry Adder circuit?

• Adding three binary numbers

• Adding two binary numbers

• Subtracting binary numbers

• Adding multiple bit binary numbers

How is the carryout of each full adder connected in a Ripple Carry Adder circuit?

• It is ignored

• It is connected to the next significant Adder circuit

• It is connected to the previous Adder circuit

• It is connected to the sum output

What is the result of adding two three-bit binary numbers using a Ripple Carry Adder circuit?

• Four outputs

• Three outputs

• Two outputs

• One output

What is the best way to learn about digital adders?

• Listening to lectures

• Reading books

• Building circuits

• Watching videos