Basic arithmetic operation
Object: To design and implement logic circuit for basic arithmetic
operations.
Theory:
An important part of the central processor of any computer is the
arithmetic unit in which binary addition, subtraction, division and
multiplication are carried out.
Subtraction however can be performed by adding complemented
numbers. Multiplication can also be performed by repeated addition
.Division can be also achieved by repeated subtraction. This means that
the adder is the centre piece of the arithmetic unit. There are two types
of the addition:
.1Half - Adder (H.A: )
It is a device that adds two bits of binary data. In other
words, the half adder performs the operation s:
0 =0 + 0
=1 + 0
1
=0 + 1
1
,Carry
=1 + 1 =1
0
The last operation is, of course, 1+1=0, which is 0 with a carry
1 to the next bit position. Equation (4.1) may be expressed n the
form of a truth table as shown in table ()4.1
2
1
Object: To design and implement logic circuit for basic arithmetic
operations.
Theory:
An important part of the central processor of any computer is the
arithmetic unit in which binary addition, subtraction, division and
multiplication are carried out.
Subtraction however can be performed by adding complemented
numbers. Multiplication can also be performed by repeated addition
.Division can be also achieved by repeated subtraction. This means that
the adder is the centre piece of the arithmetic unit. There are two types
of the addition:
.1Half - Adder (H.A: )
It is a device that adds two bits of binary data. In other
words, the half adder performs the operation s:
0 =0 + 0
=1 + 0
1
=0 + 1
1
,Carry
=1 + 1 =1
0
The last operation is, of course, 1+1=0, which is 0 with a carry
1 to the next bit position. Equation (4.1) may be expressed n the
form of a truth table as shown in table ()4.1
2
1
