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# Computer Notes ## Computer Operations: 1. Input 2. Processing 3. Storage 4. Output ## CPU * **Role:** The CPU is the *brain* of the computer * **Functionality:** it carries out instructions of a computer program by performing basic *arithmetic*, *logical*, *control*, and *input/output* operations...

# Computer Notes ## Computer Operations: 1. Input 2. Processing 3. Storage 4. Output ## CPU * **Role:** The CPU is the *brain* of the computer * **Functionality:** it carries out instructions of a computer program by performing basic *arithmetic*, *logical*, *control*, and *input/output* operations. * **Performance:** A quick CPU equals quick execution ## Upgrading a PC * **Upgradability:** Upgrading the specifications of a PC depends on its design and components * **Desktop Computers:** Desktop computers offer more flexibility in future upgrades ## GPU * **Purpose:** The GPU, or *Graphics Card*, is responsible for rendering and displaying images, videos, and animations on your screen.