State Illinois University School of Information Technology ITK 325 Computer Organization Spring, 2005
February 2, 2005
1
Announcement and Agenda
Grader Information:
Radhika Gopi Thursday 10:00 12:00 Friday 11:00 13:00 Location: OU213A Task: Help You Solve Homework Problem and Programming Assignments, also help you understand the Course Material Grader Name: Office Hour:
My Office Hour and Schedule (Posted on my web page and office door)
Monday: Tuesday: Wednesday: By Appointment 15:30 17:30 13:00 17:00 11:00 12:00; 15:30 16:30
Questions From Last Lecture? Discuss Homework Number 1 Complete Chapter 2 Continue To Appendix A Binary Numbers
2
Reading and Homework
Read Appendix A Due 02/07 Homework Assignment #2 Due 02/14
Chapter 2
16, 34
Appendix A (show your steps)
1, 2, 3, 5, 7, 8, 9,12, 14
3
Computer System Organization
Secondary Memory CD-ROMs
Compact Read Disc Only Memory Pits Lands Spiral v.s. concentric (HD) 14-bit symbol
8 bits data 4 bits Hamming parities 2 extra bits
588-bit frame (42 symbols)
192 data bits (24 bytes) 396 bit for error correction
Sector (98 frame)
4
Computer System Organization
Secondary Memory CD-ROM
Mode 1 Logical data layout on a CD-ROM
Mode 2 combines the data and ECC fields into a 2336-byte data field
5
Computer System Organization
CD-Recordable/Rewriteable
6
Computer System Organization
DVD
Digital Video Disk or ...