Question

4-Figure 4.2 of the text book shows the basic implementation of the MIPS subset, including the necessary multiplexors and control lines. With your own words, fully explain this figure (at least one page).

Answer 1

Here first we briefly talk about the components of this architecture and after that how instruction work in this architecture.

Some components are:

· PC

Its and program counter which store the address of next executing instruction.

· Adder

Its use for addition.

· Mux

Mux is used for choose for one option.

· Memory

Here we storage to store and load some data.

· Registers

Registers are used for operation.

· ALU

We can say that its and arithmetic logic unit which can be used for arithmetic operation like addition/subtraction.

· Control unit

We can say that it’s a brain which control the whole architecture.

Here we discus how instructions work in the architecture.

There are five steps of instruction execution which are below

1. IF: Instruction fetch from memory

2. ID: Instruction decode & register read

3. EX: Execute operation or calculate address

4. MEM: Access memory operand

5. WB: Write result back to register

Here we explain execution of one instruction because remaining are quite same.

If we talk about load instruction. It’s an only instruction which used all the steps of execution because reaming instruction like store and register instruction use only four steps.

lw $t1, 0($t0)

if this instruction is pointed by pc so first of this instruction fetch from the memory to execute and after that this instruction decoded and all the signal according to this instruction is generated by control unit. These signals help the architecture to good execution. After that execution perform here, we calculate the memory address from where data load. Values which are store in register and constant value perform operation by using ALU to calculate the address of the memory when address calculate after that the data which store in this memory location is write on the register which is allocated for this instruction.

The instruction which deal by this architecture is

· Load

· Store

· Register

· Branch

Here first we briefly talk about the components of this architecture and after that how instruction work in this architecture.

Some components are:

· PC

Its and program counter which store the address of next executing instruction.

· Adder

Its use for addition.

· Mux

Mux is used for choose for one option.

· Memory

Here we storage to store and load some data.

· Registers

Registers are used for operation.

· ALU

We can say that its and arithmetic logic unit which can be used for arithmetic operation like addition/subtraction.

· Control unit

We can say that it’s a brain which control the whole architecture.

Here we discus how instructions work in the architecture.

There are five steps of instruction execution which are below

1. IF: Instruction fetch from memory

2. ID: Instruction decode & register read

3. EX: Execute operation or calculate address

4. MEM: Access memory operand

5. WB: Write result back to register

Here we explain execution of one instruction because remaining are quite same.

If we talk about load instruction. It’s an only instruction which used all the steps of execution because reaming instruction like store and register instruction use only four steps.

lw $t1, 0($t0)

if this instruction is pointed by pc so first of this instruction fetch from the memory to execute and after that this instruction decoded and all the signal according to this instruction is generated by control unit. These signals help the architecture to good execution. After that execution perform here, we calculate the memory address from where data load. Values which are store in register and constant value perform operation by using ALU to calculate the address of the memory when address calculate after that the data which store in this memory location is write on the register which is allocated for this instruction.

The instruction which deal by this architecture is

· Load

· Store

· Register

· Branch

Here first we briefly talk about the components of this architecture and after that how instruction work in this architecture.

Some components are:

· PC

Its and program counter which store the address of next executing instruction.

· Adder

Its use for addition.

· Mux

Mux is used for choose for one option.

· Memory

Here we storage to store and load some data.

· Registers

Registers are used for operation.

· ALU

We can say that its and arithmetic logic unit which can be used for arithmetic operation like addition/subtraction.

· Control unit

We can say that it’s a brain which control the whole architecture.

Here we discus how instructions work in the architecture.

There are five steps of instruction execution which are below

1. IF: Instruction fetch from memory

2. ID: Instruction decode & register read

3. EX: Execute operation or calculate address

4. MEM: Access memory operand

5. WB: Write result back to register

Here we explain execution of one instruction because remaining are quite same.

If we talk about load instruction. It’s an only instruction which used all the steps of execution because reaming instruction like store and register instruction use only four steps.

lw $t1, 0($t0)

if this instruction is pointed by pc so first of this instruction fetch from the memory to execute and after that this instruction decoded and all the signal according to this instruction is generated by control unit. These signals help the architecture to good execution. After that execution perform here, we calculate the memory address from where data load. Values which are store in register and constant value perform operation by using ALU to calculate the address of the memory when address calculate after that the data which store in this memory location is write on the register which is allocated for this instruction.

The instruction which deal by this architecture is

· Load

· Store

· Register

· Branch

Here first we briefly talk about the components of this architecture and after that how instruction work in this architecture.

Some components are:

· PC

Its and program counter which store the address of next executing instruction.

· Adder

Its use for addition.

· Mux

Mux is used for choose for one option.

· Memory

Here we storage to store and load some data.

· Registers

Registers are used for operation.

· ALU

We can say that its and arithmetic logic unit which can be used for arithmetic operation like addition/subtraction.

· Control unit

We can say that it’s a brain which control the whole architecture.

Here we discus how instructions work in the architecture.

There are five steps of instruction execution which are below

1. IF: Instruction fetch from memory

2. ID: Instruction decode & register read

3. EX: Execute operation or calculate address

4. MEM: Access memory operand

5. WB: Write result back to register

Here we explain execution of one instruction because remaining are quite same.

If we talk about load instruction. It’s an only instruction which used all the steps of execution because reaming instruction like store and register instruction use only four steps.

lw $t1, 0($t0)

if this instruction is pointed by pc so first of this instruction fetch from the memory to execute and after that this instruction decoded and all the signal according to this instruction is generated by control unit. These signals help the architecture to good execution. After that execution perform here, we calculate the memory address from where data load. Values which are store in register and constant value perform operation by using ALU to calculate the address of the memory when address calculate after that the data which store in this memory location is write on the register which is allocated for this instruction.

The instruction which deal by this architecture is

· Load

· Store

· Register

· Branch

Here first we briefly talk about the components of this architecture and after that how instruction work in this architecture.

Some components are:

· PC

Its and program counter which store the address of next executing instruction.

· Adder

Its use for addition.

· Mux

Mux is used for choose for one option.

· Memory

Here we storage to store and load some data.

· Registers

Registers are used for operation.

· ALU

We can say that its and arithmetic logic unit which can be used for arithmetic operation like addition/subtraction.

· Control unit

We can say that it’s a brain which control the whole architecture.

Here we discus how instructions work in the architecture.

There are five steps of instruction execution which are below

1. IF: Instruction fetch from memory

2. ID: Instruction decode & register read

3. EX: Execute operation or calculate address

4. MEM: Access memory operand

5. WB: Write result back to register

Here we explain execution of one instruction because remaining are quite same.

If we talk about load instruction. It’s an only instruction which used all the steps of execution because reaming instruction like store and register instruction use only four steps.

lw $t1, 0($t0)

if this instruction is pointed by pc so first of this instruction fetch from the memory to execute and after that this instruction decoded and all the signal according to this instruction is generated by control unit. These signals help the architecture to good execution. After that execution perform here, we calculate the memory address from where data load. Values which are store in register and constant value perform operation by using ALU to calculate the address of the memory when address calculate after that the data which store in this memory location is write on the register which is allocated for this instruction.

The instruction which deal by this architecture is

· Load

· Store

· Register

· Branch

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