
What Is Computer Hardware?
The physical parts that make up a computer.
AiTechWorlds
Computer hardware is the physical components that make up a computer. This visual guide explains the CPU, GPU, RAM, storage, motherboard, power supply, and cooling, plus how the parts work together and how to choose them.

The physical parts that make up a computer.

The processor that runs instructions.

Cores, threads, and clock speed matter.

Handles graphics and parallel computing.

Temporary memory for active programs.

More RAM helps multitasking and big apps.

SSDs are fast; HDDs are cheap and large.

Connects and powers all components.

Provides clean, sufficient power.

Fans and heatsinks prevent overheating.

Houses and protects components.

USB, HDMI, and more link devices.

A weak part limits the whole system.

Parts must match sockets and standards.

Assemble parts step by step.

RAM and storage are easy upgrades.

Desktops are upgradeable; laptops are portable.

Match hardware to your workload.

Mismatched parts and weak power supplies.

Pick a CPU and build around it.
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