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CMSY 143 Operating System Fundamentals II - Online

After successful completion of this course, the student will be able to explain how to support hard drives, manage memory, maintain, and troubleshoot Windows.  This course is designed to meet the needs of students who want to work toward A+ certification.  This course may be completed in fewer than 14 weeks.  All of the work for this course (except tests) may be done outside of class if student has the appropriate operating systems.

CMSY142 Operating System Fundamentals I
Helen Dignan
Office Technology Classroom
(443) 518-4876

Registered Students | Overall Course Objectives | Major Course Topics | Course Format | Orientation | Course Requirements | Texts and Materials | Exams 

Registered Students

Immediately after enrolling, please go to, choose the semester, and complete the pre-semester notification form.

Overall Course Objectives

Upon completion of this course, the student will be able to:

  • Explain how to support hard drives.
  • Explain how DOS and Windows view and manage memory in various Windows operating systems. 
  • Use tools for maintenance, troubleshooting, and performance monitoring in Windows. 
  • Explain how viruses work and how to protect against them. 
  • Explain how to connect and share resources over a LAN and control a computer remotely. 
  • Explain how to connect to the Internet using Windows.  
  • Recognize the meaning of error messages and explain what to do to correct the error. 
  • Create and use Windows rescue disks.
  • Explain how the Windows registry is organized and how to edit the registry.

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Major Course Topics

  • Supporting Hard Drives
    • Viruses and other computer infestations
  • Windows on a Network
    • Networking basics
    • Addressing on a network
    • Connecting to a network and sharing resources
    • Remote access to a network
  • Windows on the Internet
    • The OSI Model applied to a TCP/IP Network
    • Connecting to the Internet using a dial-up connection
    • Supporting Internet clients
  • Managing and Troubleshooting Windows
    • Troubleshooting the Windows boot process

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Course Format

  • This course is not self-paced.  However, students may accelerate their pace so that they may finish the course in fewer than 14 weeks.
  • The syllabus lists course requirements.
  • This schedule is posted in the learning management system and is available for students all semester.
  • No on-campus meetings are required.  However, this course does require on-campus attendance for tests.  The tests may be taken during any open hours in the Office Technology classroom.  Please note, however, that all CMSY143 online students are welcome to come to the Office Technology classroom to do classwork and/or to receive personal help from an instructor.
  • Modules contain course instructions.
  • Canvas learning management system is the method of communication. 
  • Real-time chats are not required.

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This course has a mandatory face-to-face orientation held on the Saturday morning prior to the semester start.  Please click on to view the orientation schedules.

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Course Requirements

For complete technical requirements, specific course instructions, and information to help you assess options that best fit your lifestyle and learning style, visit

  • Come to the Office Technology classroom to take tests which have deadlines for completion.
  • Prerequisite:  CMSY 142

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Texts and Materials Required

CompTIA A+ 220-801, 220-802 In Depth, 4th Edition
Jean Andrews, Ph.D. | Course Technology, Cengage Learning, 2010 | ISBN: 978-1-2851-6068-9

 Additional textbook information:  Please visit and follow the instructions for selecting textbooks.

Technical Requirements for Online Courses

Review the Technical Requirements link above. The course requires:

  • A Web browser

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For purposes of verification and assessing learning outcomes, this course has three theory exams which have deadlines for completion.  The exams must be taken at the college during any open hours in the Office Technology classroom.    

If you have any questions or comments about this class, please send a message to

Cindy Garnsey,  

Last updated on 9-Jul-13
© Howard Community College, 2012

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