PRE-READING: ADDERS

What is the fundamental building block of digital circuits that adds two binary numbers together?

• Multiplexer

• Flip-Flop

• Binary Adder

• Encoder

Which type of circuit is known as an arithmetic circuit in digital electronics?

• Multiplexer

• Half Adder

• Decoder

• Full Adder

What are the outputs of a half adder circuit?

• Difference and Remainder

• Input and Output

• Product and Quotient

• Sum and Carry

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

• Sum = A XOR B

• Sum = A NAND B

• Sum = A AND B

• Sum = A OR B

What is the purpose of a full adder circuit?

• Multiply three binary digits

• Add three binary digits

• Subtract three binary digits

• Divide three binary digits

How can a full adder be constructed using other components?

• Two Half Adders and an OR gate

• Two NOT gates

• Two AND gates

• Two XOR gates

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

• Sum = 1, Carry Out = 1

• Sum = 0, Carry Out = 0

• Sum = 0, Carry Out = 1

• Sum = 1, Carry Out = 0

What is the purpose of a Ripple Carry Adder circuit?

• Subtract multiple bit binary numbers

• Add multiple bit binary numbers

• Divide multiple bit binary numbers

• Multiply multiple bit binary numbers

How is the carry bit handled in a Ripple Carry Adder circuit?

• It is subtracted from the sum

• It is passed to the next stage

• It is added to the sum

• It is ignored

What is the advantage of using a Ripple Carry Adder circuit?

• It can only subtract binary numbers

• It can add multiple bit binary numbers

• It can add three binary numbers

• It can only add single bit binary numbers