Hi, I'm Carrie Anne, this is Crash Course Computer Science, and today, we're talking about processors. Just a warning though - this is probably the most complicated episode in the series.

A central processing unit, or CPU, is the heart of any computer system. But it’s definitely not the only part: you also need RAM, ROM and at least some peripherals to turn it into a complete … ...

But its nervous system is the motherboard, which uses circuits to connect the CPU to the other pieces of hardware, including the memory, the hard drive, the CD/DVD drive, and all of your peripherals.

National 5 Computing Science Computer systems learning resources for adults, ... Computer structure. The CPU handles instructions. ... Control Unit and Registers).