This presentation provides an overview of the key internal computer devices and peripherals. It discusses the microprocessor, RAM, ROM, graphics card, and USB. It explains that the microprocessor executes programs and includes details about common manufacturers like Intel and AMD. It outlines the differences between RAM and ROM and how they are used. Graphics cards are described as being used to display output on a monitor. Dedicated graphics cards are recommended for higher quality images over integrated graphics. USB is presented as the most commonly used input port.