What does the inside of a computer look like ?

The inside of a desktop computer is not as complicated as you may think. Below is an example of what the inside of a computer looks like and pointers to each of the major components that make up a computer.

Parts of a computer
Information about each of the items pointed out in the picture above are found in the links below.

• Chassis (case)
• Disc drive : CD-ROM, CD-RW, DVD, Blu-ray
• Expansion card (ISA, PCI, AGP, and PCI-X )
• Fan (Heat sink)
• Floppy drive
• Hard drive : HDD, SSD
• IDE cable (Data cable), new computers use SATA
• Memory (RAM)
• Motherboard
• Power cable (Molex)
• Power supply (PSU)
• Processor (CPU)
• Network card
• Sound card
• Video card

What parts are needed for a computer to work ?
A computer does not need all of the components mentioned above. However, a computer cannot work without having at the very minimum the below parts.

• CPU (processor)
• Memory (RAM)
• Motherboard
• Storage device (e.g. hard drive)

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