Table of Contents
- 1 Which register is directly connected with ALU?
- 2 What is a register file in MIPS?
- 3 Are registers part of the ALU?
- 4 What is the use of the register file?
- 5 What is register and ALU?
- 6 What is the purpose of the register in the CPU?
- 7 What are the different types of addressing in MIPS?
- 8 What are the characteristics of the MIPS architecture?
Which register is directly connected with ALU?
Microchip 8-bit architecture Note that the multiplexer is used to compress inputs going to the ALU. The W register is a fundamental component of the ALU as it is used in most arithmetic or logic instructions. The W register, shown as an output of the ALU, also forms a feedback loop, as an input into the ALU.
What is a register file in MIPS?
The register file contains the 32 MIPS general-purpose (integer/address) registers. One can view the register file as an array of registers. An R-type instruction uses two register values as input and one register as output. Thus, there are two register read data ports and one register write data port.
Are registers part of the ALU?
Most of the operations of a CPU are performed by one or more ALUs, which load data from input registers. A register is a small amount of storage available as part of a CPU. The control unit tells the ALU what operation to perform on that data, and the ALU stores the result in an output register.
How do the ALU and accumulator work together?
The accumulator can hold one of the two operands during any ALU operation. If we want to add two bytes together, this would just be an example here; one byte would go to the accumulator, and the other in memory or general purpose register. The output of the ALU is fed back into the accumulator.
What does the register file do?
A register file is an array of processor registers in a central processing unit (CPU). The instruction set architecture of a CPU will almost always define a set of registers which are used to stage data between memory and the functional units on the chip.
What is the use of the register file?
Registers are temporary storage locations inside the CPU that hold data and addresses. The register file is the component that contains all the general purpose registers of the microprocessor. A few CPUs also place special registers such as the PC and the status register in the register file.
What is register and ALU?
A register is a small amount of storage available as part of a CPU. The control unit tells the ALU what operation to perform on that data and the ALU stores the result in an output register. The control unit moves the data between these registers, the ALU, and memory.
What is the purpose of the register in the CPU?
Registers are small amounts of high-speed memory contained within the CPU. They are used by the processor to store small amounts of data that are needed during processing, such as: the address of the next instruction to be executed.
What is the function of the ALU in MIPS?
(NOR is needed for other parts of the MIPS instruction set not discussed here.) For the load word and store word instructions, we use the ALU to compute the memory address. This is done by addition.
What is the difference between Alu and registers?
Registers and the ALU. The arithmetic/logic unit (ALU) of a processor performs integer arithmetic and logical operations. For example, one of its operations is to add two 32-bit integers. An integer used as input to an operation is called an operand. One operand for the ALU is always contained in a register.
What are the different types of addressing in MIPS?
• 32bit byte addresses aligned – MIPS uses 32 bi addresses that are aligned. • Load/store only displacement addressing – It is a load/store ISA or register/register ISA, where only the load and store instructions use memory operands. All other instructions use only register operands.
What are the characteristics of the MIPS architecture?
The characteristics of the MIPS architecture is first of all summarized below: • 32bit byte addresses aligned – MIPS uses 32 bi addresses that are aligned. • Load/store only displacement addressing – It is a load/store ISA or register/register ISA, where only the load and store instructions use memory operands.