Central Processing Unit (CPU) - Uses instructions stored in software to process the data that has been entered, Random Access Memory (RAM) - This holds currently running instructions, it is classed as Volatile memory because it holds data temporarily, Hard Disc Drive (HDD) - This is the magnetic storage for files, programs and other software. Data can be written (saved) and Read (opened), Solid State Drive (SSD) - This is fast storage with NO moving parts usually used for mobile devices such as laptops and tablets, Graphic card - Allows digital images to be rendered, Sound card - A device which can be slotted into a computer to allow the use of audio components for multimedia applications., Heatsink and fan - Cools the CPU by drawing heat away from it, Ports - Allows peripheral devices to be plugged into the computers motherboard, Motherboard - A wide flat circuit board that holds all the main components of a computer,

Lesson 3 CPU and memory

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