1 Forensic Computing.- 2 Understanding Information.- 3 IT Systems Concepts.- 4 PC Hardware and Inside the Box.- 5 Disk Geometry.- 6 The Treatment of PCs.- 7 The Treatment of Electronic Organizers.- 8 Looking Ahead (Just a Little Bit).- Appendices.- 1 Common Character Codes.- 2 Some Common File Format Signatures.- 3 A typical Set of POST Codes.- 4 Typical BIOS Beep Codes and Error Messages.- 5 Disk Partition Types.- 6 Extended Partitions.- 7 Registers and Order Code for the Intel 8086.- Answers to Exercises.