Linda Null

Graduate Program Coordinator
W256 Olmsted
Department of Computer Science and Mathematical Sciences
Penn State Harrisburg
777 West Harrisburg Pike
Middletown, PA 17057

E-mail: LNull at psu dot edu
Phone: (717) 948-6089
Fax: (717) 948-6401 or (717) 948-6352

Personal Web Page

Click here to see my personal web page. (updated on August 1, 2004 -- all new web page coming summer 2007)

The Essentials of Computer Organization and Architecture (2nd Edition)
by Linda Null and Julia Lobur

Book Web Page, including software, lecture slides, etc. (contains links for first and second editions)
Jones and Bartlett Catalog Page, including ordering information

Education

Ph.D., Computer Science, Iowa State University

M.S., Computer Science, Iowa State University

M.S., School Computer Studies, Northwest Missouri State University

M.S.Ed., Mathematics, Northwest Missouri State University

B.S.Ed., Mathematics and English, Northwest Missouri State University

Teaching Interests

My teaching specializations are in the areas of computer security and operating systems. I am also interested in computer organization and architecture. I enjoy teaching beginning programming classes.

Research

My main research interests are in object-oriented database systems and security, operating systems security and concurrency control, the active learning paradigm and total quality management in the classroom. I developed a multilevel security model for object-oriented database systems and have investigated object-oriented querying and transaction concurrency. I have also done some auguring of the Internet.

Selected Works

Null, L. and J. Lobur. The Essentials of Computer Organization and Architecture 2/e, Jones and Bartlett Publishers, Feb. 2006.
Null, L. and K. Rao. "CAMERA: Introducing Memory Concepts via Visualization", ACM SIGCSE Bulletin, 37(1): 96-100, 2005.
Null, L. "Integrating Security Across the Computer Science Curriculum", Journal of Computing Sciences in Colleges, 19(5): 170-178, May 2004.
Null, L. and J. Lobur. The Essentials of Computer Organization and Architecture, Jones and Bartlett Publishers, Feb. 2003.
Null, L, and J. Lobur. "MarieSim: The MARIE Computer Simulator", Journal of Educational Resources in Computing, 3(2), 2003.
Null, L. and D. Strite. BACI Debugger: A GUI Debugger for the BACI System. Journal of Computing in Small Colleges, 17(4): 112-122, March 2002.
Null, L. " Integrating Concurrent Programming into an Introductory Operating Systems Class Using BACI," Journal of Computing in Small Colleges, 14(3): 288-298, May 1999.
Wills, C., D. Deremer, R. McCauley, and L. Null. "Studying the Use of Peer Learning in the Introductory Computer Science Curriculum," Computer Science Education, 9(2): 71-88, August, 1999.
Null, L. and T. Wahls "Developing and Using Syllawebs and Other Web-based Course Materials," Proceedings of the Computer on Campus Conference, Myrtle Beach, South Carolina, pp. 65-66, November 1998.
Null, L. and T. Wahls. "Computer Science Masters Programs at Small Colleges and Universities," Proceedings of the Computers on Campus Conference, Myrtle Beach, South Carolina, pp. 56-57, November 1998.
Null, L. "Internet and WWW Security Issues: Safe Computing and Communicating," Proceedings of the Computers on Campus Conference, Myrtle Beach, South Carolina, November 1997.
Null, L. "Applying Collaborative Learning and Total Quality Management in Computer Science," Journal of Computing in Small Colleges, 12(4): 333-340, March 1997.
Null, L. "TQM and Collaborative Learning: A Perfect Match," Proceedings of the 1997 Frontiers In Education Conference, Pittsburgh, Pennsylvania, November 5-8, 1997.
Wahls, T. and L. Null. "Developing Web-based Course Materials -- How to Start and Why," Journal of Computing in Small Colleges, 12(4): 366-375, March 1997.
Wahls, T. and L. Null. "The Information Turnpike?" Proceedings of the 13th International Conference on Technology and Education, Vol 2, pp. 437-439, March 1996.
Null, L. "Applying TQM in the Computer Science Classroom," SIGCSE Bulletin, 28(1): 120-124, March 1996.
Null, L. "Applying Quality Principles to Education," Proceedings of the 13th International Conference on Technology and Education, Vol 2, pp. 440-442, March 1996.
Null, L. and R. Teschner. "Integrating Computer Technology Across the Curriculum Via Notebook Computers," Proceedings of the 13th International Conference on Technology and Education, Vol 2, pp. 443-445, March 1996.
Null, L., R. Detmer, P. Heeler, G. McDonald and M. McDonald. "Grant-supported Projects at Small Colleges and Universities: A Team Approach," Journal of Computing in Small Colleges, 10(5): 35-40, May 1995.
Null, L. and R. Teschner. "WIRELESS Computing in Schools: Reach Out and Touch the World," Proceedings of the National Educational Computing Conference, Boston, Massachusetts, pp. 313-317, June 1994.
Null, L., T. Daniels and R. Schneider. "Curricular and Ethical Impacts of Computer Networks in the Classroom," Proceedings of the 1993 National Educational Computing Conference, Orlando, Florida, pp. 5-10, June 1993.
Null, L. and J. Wong. "A Locking Policy for Object-Oriented Databases," Proceedings of the Symposium on Applied Computing, pp. 683 - 690, March 1992.
Null, L. and J. Wong. "The DIAMOND Security Policy for Object-Oriented Databases," Proceedings of the Computer Science Conference of the ACM, pp. 49-56, March 1992.
Null, L. and J. Wong. "Secure Transaction Processing in a Multilevel Secure Object-Oriented Database," International Journal of Microcomputer Applications, 11(3): 91- 101, 1992.