Full and Half Adder

In parts of the processor, adders are used to calculate ____________

Select all the correct options.

• Address

• sum
• difference
• increment and decrement operator

Total number of inputs in a half adder is __________

• 2
• 3
• 1
• 4

If A and B are the inputs of a half adder, the sum is given by __________

• NAND
• XOR
• OR
• AND

If A and B are the inputs of a half adder, the carry is given by __________

• A OR B
• A NAND B
• A AND B
• A XOR B

The difference between half adder and full adder is __________

• A half adder can only perform addition, while a full adder can perform addition and subtraction.
• The difference between half adder and full adder is that a half adder adds two single-bit binary numbers, while a full adder adds three single-bit binary numbers.
• A half adder adds three single-bit binary numbers, while a full adder adds two single-bit binary numbers.
• A half adder has two outputs, while a full adder has three outputs.

If A, B and C are the inputs of a full adder then the sum is given by __________

• A XOR B XOR C
  

• A NAND B NAND c

• A OR B AND C
  

• A AND B AND C
  

If A, B and C are the inputs of a full adder then the carry is given by __________

• A AND B OR (A OR B) AND C
  

• A AND B
• (A AND B) OR (A AND B)C
  

• (A AND B) OR (B AND C) OR (C AND A)