Soft test site --- cup

Soft test site --- cup
The Central Processing Unit (CPU) is an ultra-large-scale integrated circuit. It is the core and control unit of a computer ).
Composition:

 

Function:

READ command

Explain command

Read data

Process Data

Save data

 

Details:
1. Register components are classified into two categories:

User-visible registers, including General registers, data registers, address registers, and Mark registers;

Status Register, including program counter PC, instruction register IR, memory address register Mar, memory buffer register MBR, program status word psw.

 

2. Alu:

Performs arithmetic and logical operations on data.

 

3. Controller Cu:

Controls the operation of the entire computer system, reads command registers, Status control registers, and external control signals, and releases external control signals to control data exchange between CPU and memory and I/O devices; releases data exchange between internal control signal control registers, controls ALU to complete specified calculation functions, and manages other internal CPU operations.

The controller can be implemented in two ways: hard wiring logic and micro-program control.

When I find that this knowledge point is always wrong, I simply sum up the CPU details (only the knowledge that may be involved in the soft exam). If you want to know more about the CPU, you can find it online, you are also welcome to share it!

Soft test site --- cup