The parts of a computer system that can be kicked

Estructura de computadores

Main Memory

DRAM is built from capacitors, SRAM from inverters. Size of DRAM vs. SRAM. Speed of DRAM vs. SRAM.
How RAM works, RAM speed, DRAM, SDRAM, Rambus RDRAM, DDR, DDR2, DDR3, DDR4, and ECC

Cache Memory

What is CPU cache? This is an animated video tutorial on CPU Cache memory. It explains Level 1, level 2 and level 3 cache. Why do CPUs need cache?

Virtual Memory

Secondary Storage