answersLogoWhite

0


Best Answer

A "half adder" circuit computes the resulting bit and carry bit from adding two bits together, assuming there is no carry (using an "exclusive-or" and an "and" operation, respectively). This is sufficient for the lowest-order bit, only; the remaining bit positions require a "full-adder" circuit to compute the result and carry from three inputs at each successive bit position (i.e. the two operands and the carry-in from the previous bit position).

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is function of full adder?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you perform Parallel Adder Addition?

A binary parallel adder is a digital function that produces arithmetic sum of two binary numbers in parallel. It consists of full-adder combinational arrangement thus, the output carry from one full adder connected to the input carry of next full- adder.


Why full adder is better then half adder?

Full adder is better than half adder because in half adder we can perform operation on only two digits and in full adder we can perform operation on three binary digits.


Advantages of full adder?

A full adder is a logical unit. The full adder must obey truth tables. They are simple, but are not speedy.


Presentation on half adder and full adder?

hii this is use full persentation


Application of full adder?

full adder reduces circuit complexibility


Can full adder become half adder?

No. A full adder is two half adders with a carry circuit to combine the two carries together.


What are applications of half adder and full adder?

they are integrated in the calculators


What are the applications of full adder and half adder?

they are integrated in the calculators


What is the basic differences between full adder and half adder?

Number of input bits. Half adder: (Cout,Q) := A+B Full adder: (Cout,Q) := A+B+Cin


Define half adder and full adder?

From wikipedia: A half adder is a logical circuit that performs an addition operation on two binary digits. The half adder produces a sum and a carry value which are both binary digits. A full adder is a logical circuit that performs an addition operation on three binary digits. The full adder produces a sum and carry value, which are both binary digits. It can be combined with other full adders or work on its own.


Why you use half adder after the arrival of full adder?

The full adder takes care of everything, A, B, CarryIN, Sum, and CarryOut. I don't see why you would need a half adder after using a full adder, unless you were trying to process look-ahead carry, but that requires more than just a half adder.


How many full adders are required to construct an m-bit parallel adder?

m full adder