Comptia Tech+ Certification: 2.2 Purpose of Common Internal Computing Systems

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9 Terms

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Motherboard/System Board

Connects and allows communication between internal components

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Firmware/Basic Input/Output System (BIOS)

Initializes and tests hardware components during startup and loads the operating system

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Random Access Memory (RAM)

Temporarily stores data and instructions currently being used by the CPU

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Central Processing Unit (CPU)

Processes instructions and performs calculations for programs and the operating system

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Graphics Processing Unit (GPU)

Renders images, video, and animations for display on a monitor

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Storage

Permanently stores the operating system, applications, and user data

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Network Interface Card (NIC)

Enables a computer to connect to a network and communicate with other devices

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NIC Wired vs. Wireless

Wired NICs connect to networks using physical cables, while wireless NICs use radio signals to connect without cables

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NIC Onboard vs. Expansion Card

Onboard NICs are built into the motherboard, while expansion NICs are installed separately to add or upgrade network capabilities