PC Hardware Components

• Input/output
• Processing
• Storage
• Electrical Communication
• supply

Port Connections for I/O Devices

Most Popular Input Devices

Most Popular Output Devices

Hardware Inside the Computer Case

• Motherboard (CPU, memory)
• Permanent storage (floppy, hard, CD-ROM drives)
• Power supply
• Circuit boards
• Cables

IThe Motherboard

• Largest and most important circuit board
• Contains the CPU, with which all devices must communicate

Ports Provided by Motherboard to Outside of Case

• Serial
• Parallel
• USB
• Game
• keyboard
• Mouse

Ports Provided by Motherboard to Outside of Case

Major Components of Motherboards

• For processing
• CPU (performs most actual data processing)
• Chip set (supports CPU by controlling system board activities)
• For temporary storage
• RAM