22908 CSC 3080A - 0 - Operating Systems

Spring 2012
Herbert J. Bernstein ( )

Quiz 6


This web page is http://www.bernstein-plus-sons.com/.dowling/CSC3080S12/CSC3080_Quiz_6.html
Copyright © 2003, 2005, 2012 Herbert J. Bernstein and other parties. All rights reserved.

This is the sixth weekly quiz to be taken by Friday, 16 March 2012. It should take you between half an hour and 2 hours to answer the following questions. You should take this quiz after reading Chapter 5 in Tanenbaum.

  <==== Do this AFTER you've answered all the questions

You probably DON'T want to do this ===>  

Please fill in the following information:



Skype ID:

  1. Explain what block devices are. Explain what character devices are.

  2. What is a device controller?

  3. Explain the distinction between I/O port based control and memory-mapped I/O control.

  4. Explain cylinder skew.

  5. Explain the relationship between the elevator algorithm and scheduling disk requests.

  6. Explain stable storage, explicitly discussing stable writes, stable reads and crash recovery.

  7. Explain watch-dog timers.

  8. Explain the X Window System client-protocol and how it is used in Unix systems.

  9. Explain the relationships among Xerox PARC, Lisa and MS Windows.

  10. Explain Hungarian notation and gives examples.

  11. Discuss bit-mapped versus TrueType fonts.

  12. Why did X-based thin clients fall out of favor.

  13. Explain the major issues in power management in both desktop and laptop computers.

  14. Give a status report on your project. If multiple people are involved, each person needs to report.

  <==== Do this AFTER you've answered all the questions

You probably DON'T want to do this ===>  

Revised 12 March 2012