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1. Presentation
Presentation
Presented By
Presented By
Presented To
Presented To
kathreen Farid
kathreen Farid
Prof , Irfan
Prof , Irfan

2. What is
Register?
Explain any
type of register.
What is
Register?
Explain any
type of register.
What is
Register?
Explain any
type of register.

3. What is a Register?
What is a Register?
What is a Register?
A register is a small amount
of storage available as part
of the computer processor
or on a separate chip.
Registers can be used for a
variety of purposes, such as
holding data that is being
processed, storing
temporary results language.
A register is a small amount
of storage available as part
of the computer processor
or on a separate chip.
Registers can be used for a
variety of purposes, such as
holding data that is being
processed, storing
temporary results language.
A register is a small amount
of storage available as part
of the computer processor
or on a separate chip.
Registers can be used for a
variety of purposes, such as
holding data that is being
processed, storing
temporary results language.

4. Types of Registers
Types of Registers
Types of Registers
There are various types of registers
used in computing, including general-
purpose registers used for arithmetic
and logical operations, special-purpose
registers used for specific tasks, and
program counters used to keep track of
the instruction being executed.
There are various types of registers
used in computing, including general-
purpose registers used for arithmetic
and logical operations, special-purpose
registers used for specific tasks, and
program counters used to keep track of
the instruction being executed.
There are various types of registers
used in computing, including general-
purpose registers used for arithmetic
and logical operations, special-purpose
registers used for specific tasks, and
program counters used to keep track of
the instruction being executed.

5. General-Purpose Registers
General-Purpose Registers
General-Purpose Registers
A general-purpose register is a
register that can be used for any
purpose, such as storing data or
holding intermediate results. These
registers are typically used for
arithmetic and logical operations.
A general-purpose register is a
register that can be used for any
purpose, such as storing data or
holding intermediate results. These
registers are typically used for
arithmetic and logical operations.
A general-purpose register is a
register that can be used for any
purpose, such as storing data or
holding intermediate results. These
registers are typically used for
arithmetic and logical operations.

6. General purpose
registers are additional
registers that are
present in CPU which is
used for either memory
address or data
whenever needed.
General purpose
registers are additional
registers that are
present in CPU which is
used for either memory
address or data
whenever needed.
General purpose
registers are additional
registers that are
present in CPU which is
used for either memory
address or data
whenever needed.
General purpose registers
General purpose registers
implimentation
implimentation

7. 8086 processor
Let us consider an 8086 processor. There are
eight general purpose register in 8086
microprocessor which are explained below −
8086 processor
Let us consider an 8086 processor. There are
eight general purpose register in 8086
microprocessor which are explained below −
8086 processor
Let us consider an 8086 processor. There are
eight general purpose register in 8086
microprocessor which are explained below −
AX
This is the accumulator of 16 bits and is
separated into two 8-bits registers AH and AL to
likewise perform 8-bits instruction. It is usually
utilized for arithmetical and logical directions,
yet in 8086 chips it isn't required to have an
accumulator as the objective operand.
Example − ADD AX, AX (AX= AX+AX)
BX
This is the base register of 16 bits and is
separated into two 8-bits registers BH and BL
to likewise perform 8-bits instruction. It stores
the value of offset.
Example − MOV BL, [500] (BL= 500H)
CX
This is the counter register of 16 bits and is
separated into two 8-bits registers CH and CL to
likewise perform 8-bits instruction.
AX
This is the accumulator of 16 bits and is
separated into two 8-bits registers AH and AL to
likewise perform 8-bits instruction. It is usually
utilized for arithmetical and logical directions,
yet in 8086 chips it isn't required to have an
accumulator as the objective operand.
Example − ADD AX, AX (AX= AX+AX)
BX
This is the base register of 16 bits and is
separated into two 8-bits registers BH and BL
to likewise perform 8-bits instruction. It stores
the value of offset.
Example − MOV BL, [500] (BL= 500H)
CX
This is the counter register of 16 bits and is
separated into two 8-bits registers CH and CL to
likewise perform 8-bits instruction.
8086 processor
8086 processor
8086 processor

8. DX
This is the data register of 16 bits and is separated into
two 8-bits registers DH and DL to likewise perform 8-
bits instruction. It is generally used for multiplication of
an input/output port address.
Example − Mul BX (DX,AX=AX*BX)
SP
This is the stack pointer of 16 bits that points to the
topmost element of the stack.
BP
This is the base pointer of 16 bits that is used to access
parameters that have been passed in the stack.
SI
This is the source index register of 16 bits that is used in
pointer addressing of the data and as a source in string
related operations.
DI
This is the destination index register of 16 bits that is
used in pointer addressing of the data and as a
destination in string related operations.
DX
This is the data register of 16 bits and is separated into
two 8-bits registers DH and DL to likewise perform 8-
bits instruction. It is generally used for multiplication of
an input/output port address.
Example − Mul BX (DX,AX=AX*BX)
SP
This is the stack pointer of 16 bits that points to the
topmost element of the stack.
BP
This is the base pointer of 16 bits that is used to access
parameters that have been passed in the stack.
SI
This is the source index register of 16 bits that is used in
pointer addressing of the data and as a source in string
related operations.
DI
This is the destination index register of 16 bits that is
used in pointer addressing of the data and as a
destination in string related operations.

9. Conclusion
Conclusion
Conclusion
In conclusion, registers are a critical component
of computer processors. They provide fast access
to data and are used for a variety of purposes,
including arithmetic and logical operations,
program control, and specialized tasks.
Understanding the different types of registers and
their functions is essential for developing efficient
and effective programs.
In conclusion, registers are a critical component
of computer processors. They provide fast access
to data and are used for a variety of purposes,
including arithmetic and logical operations,
program control, and specialized tasks.
Understanding the different types of registers and
their functions is essential for developing efficient
and effective programs.
In conclusion, registers are a critical component
of computer processors. They provide fast access
to data and are used for a variety of purposes,
including arithmetic and logical operations,
program control, and specialized tasks.
Understanding the different types of registers and
their functions is essential for developing efficient
and effective programs.

10. Thanks!
Thanks!
Thanks!