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As the brain of a computer, the processor (or CPU) plays a defining role in the total PC system. The performance of a PC system is roughly determined by the processor, so choosing the right processor is key when building your own computer.
The CPU is a bunch of circuits to do specific things e.g you can make a circuit that adds numbers together, you can make a circuit to write to an address in RAM etc. So there's a whole load of circuits, and you can number them and give each circuit a binary code.
It's actually pretty simple, if you've done assembly. The CPU is just a few banks of memory, a bunch of registers and some math. You tell it to load from some address in main RAM into your registers, do some work on the stuff, and load it back out to memory.
9 Ιουλ 2023 · The following are a CPU’s main functions: Fetching Instructions: The CPU normally retrieves instructions from the computer’s memory in a specific order set by the programme counter. It collects the instructions one at a time and gets them ready for processing.
12 Οκτ 2018 · Most things in a computer are relatively simple to understand: the RAM, the storage, the peripherals, and the software all work together to make a computer function. But the heart of your system, the CPU, seems like magic even to many tech people. Here, we'll do our best to break it down.
12 Ιουν 2024 · The main function of a computer processor is to execute instructions and produce an output. CPU work Fetch, Decode, and Execute are the fundamental functions of the computer. Fetch: the first CPU gets the instruction. That means binary numbers that are passed from RAM to CPU.
A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry within a computer that executes instructions that make up a computer program.
