The presentation given at MSBTE sponsored content updating program on 'PC Maintenance and Troubleshooting' for Diploma Engineering teachers of Maharashtra. Venue: Government Polytechnic, Nashik Date: 17/01/2011 Session-3: Internal Components of PC

1. Tushar B Kute, Department of Information Technology, Sandip Institute of Technology and Research Centre, Nashik Internal Components of PC

3. 1. Inside a PC Power supply CD-ROM drive Floppy disk drive Hard disk drive Wires and ribbon cables Sound/network cards Mother board

13. Motherboard Picture Random Access Memory (RAM) chips. Expansion slots Read-only Memory (ROM) chips Processor chip (the CPU)

17. RAM Storage Each RAM location has an address and holds one byte of data (eight bits).

23. Some Processors (CPUs) PowerPC Chip Chip Fan Pentium Chip

24. The CPU and RAM 000-209 Intro to CS. 5/Mother The CPU processes data. The RAM contains data and programs. The data bus transports the processed data to the RAM so it can be stored, displayed, or output.

25. The CPU in Action The CPU

30. 7. Expansion Slots The expansion bus transports data through the motherboard. Most expansion cards contain a port. A connector cable plugs into the port, and leads to a peripheral. Data originates in RAM Expansion slot containing an expansion card.

40. Connector Cables