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    SC 9-12: HS2.CS.1.2
CodeHS Lessons
Analyze how various hardware and software layers provide simplifying abstractions (e.g., a redundant array of independent disks (RAID) controller hiding details of data storage on multiple disks, an operating system hiding details of virtual memory, the presentation layer of a network hiding details about encryption).
| Standard | 
| 12.2 Internet Hardware | 
| 12.6 Packets and Protocols | 
| Standard | 
| 12.2 Internet Hardware | 
| 12.6 Packets and Protocols | 
| Standard | 
| 12.2 Internet Hardware | 
| 13.2 Internet Hardware and Sending Information | 
| 12.6 Packets and Protocols | 
| 13.6 Packets & Protocols | 
| Standard | 
| 7.2 Internet Hardware | 
| 7.6 Packets and Protocols | 
| Standard | 
| 3.2 Internet Hardware | 
| 3.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 1.2 Internet Hardware | 
| 1.6 Packets and Protocols | 
| 5.2 Operating Systems | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 4.5 Internet Hardware | 
| 4.9 Packets and Protocols | 
| Standard | 
| 3.5 Internet Hardware | 
| 3.9 Packets and Protocols | 
| Standard | 
| 14.2 Internet Hardware | 
| 14.6 Packets and Protocols | 
| Standard | 
| 5.2 Internet Hardware | 
| 5.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 1.6 Operating Systems | 
| 2.2 Internet Hardware and Sending Information | 
| 2.6 Packets & Protocols | 
| Standard | 
| 5.1 Operating Systems | 
| Standard | 
| 2.2 Operating Systems | 
| 5.3 Internet Hardware and Sending Information | 
| 5.7 Packets & Protocols | 
| Standard | 
| 8.2 Internet Hardware | 
| 8.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 13.1 Operating Systems | 
| 15.2 Notational Systems | 
| 15.4 Internet Hardware and Sending Information | 
| 15.8 Packets & Protocols | 
| Standard | 
| 6.2 Internet Hardware | 
| 6.6 Packets and Protocols | 
| 14.2 Operating Systems | 
| Standard | 
| 6.2 Internet Hardware | 
| 6.6 Packets and Protocols | 
| 14.2 Operating Systems | 
| Standard | 
| 6.1 Operating Systems | 
| 24.4 Internet Hardware and Sending Information | 
| 24.8 Packets & Protocols | 
| 24.2 Notational Systems | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 3.1 Operating Systems | 
| Standard | 
| 4.1 Operating Systems | 
| Standard | 
| 4.1 Operating Systems | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 8.1 Operating Systems | 
| Standard | 
| 8.1 Operating Systems | 
| Standard | 
| 3.2 Internet Hardware | 
| 3.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 6.2 Internet Hardware and Sending Information | 
| 6.6 Packets & Protocols | 
| 13.2 Internet Hardware | 
| 13.6 Packets and Protocols | 
| Standard | 
| 5.2 Internet Hardware and Sending Information | 
| 5.6 Packets & Protocols | 
| Standard | 
| 1.1 Operating Systems | 
| 2.2 Notational Systems | 
| 2.4 Internet Hardware and Sending Information | 
| 2.8 Packets & Protocols | 
| Standard | 
| 3.1 Operating Systems | 
| 7.2 Notational Systems | 
| 7.4 Internet Hardware and Sending Information | 
| 7.8 Packets & Protocols | 
| Standard | 
| 8.2 Internet Hardware | 
| 8.6 Packets and Protocols | 
| Standard | 
| 3.2 Internet Hardware | 
| 3.6 Packets and Protocols | 
| Standard | 
| 7.2 Internet Hardware and Sending Information | 
| Standard | 
| 12.2 Internet Hardware | 
| 12.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 5.2 Internet Hardware | 
| 5.6 Packets and Protocols | 
| Standard | 
| 7.1 Operating Systems | 
| 10.2 Notational Systems | 
| 10.4 Internet Hardware and Sending Information | 
| 10.8 Packets & Protocols | 
| Standard | 
| 12.2 Internet Hardware | 
| 12.6 Packets and Protocols | 
| Standard | 
| 7.2 Internet Hardware | 
| 7.6 Packets and Protocols | 
| Standard | 
| 1.1 Operating Systems | 
| 2.2 Notational Systems | 
| 2.4 Internet Hardware and Sending Information | 
| 2.8 Packets & Protocols | 
| Standard | 
| 3.2 Internet Hardware | 
| 3.6 Packets and Protocols | 
| 7.5 Internet Hardware and Sending Information | 
| Standard | 
| 6.1 Operating Systems | 
| 8.2 Notational Systems | 
| 8.4 Internet Hardware and Sending Information | 
| 8.8 Packets & Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 4.1 Operating Systems | 
| 9.2 Notational Systems | 
| 9.4 Internet Hardware and Sending Information | 
| 9.8 Packets & Protocols | 
| Standard | 
| 4.2 Internet Hardware | 
| 4.6 Packets and Protocols | 
| Standard | 
| 9.2 Internet Hardware | 
| 9.6 Packets and Protocols | 
| Standard | 
| 8.2 Internet Hardware | 
| 8.6 Packets and Protocols | 
| Standard | 
| 8.2 Internet Hardware | 
| 8.6 Packets and Protocols | 
| Standard | 
| 6.6 Operating Systems | 
| Standard | 
| 7.6 Operating Systems | 
- What is CodeHS?
 - Curriculum
 - Platform
 - Assignments
 - Classroom Management
 - Grading
 - Gradebook
 - Progress Tracking
 - Lesson Plans
 - Offline Handouts
 - Problem Guides
 - Practice
 - Create
 - Problem Bank
 - Playlist Bank
 - Quiz Scores
 - Rostering
 - Integrations
 - Professional Development
 - Stories
 - Standards
 - States
 - Alabama
 - Alaska
 - Arizona
 - Arkansas
 - California
 - Colorado
 - Connecticut
 - D.C.
 - Delaware
 - Florida
 - Georgia
 - Hawaii
 - Idaho
 - Illinois
 - Indiana
 - Iowa
 - Kansas
 - Kentucky
 - Louisiana
 - Maine
 - Maryland
 - Massachusetts
 - Michigan
 - Minnesota
 - Mississippi
 - Missouri
 - Montana
 - Nebraska
 - Nevada
 - New Hampshire
 - New Jersey
 - New Mexico
 - New York
 - North Carolina
 - North Dakota
 - Ohio
 - Oklahoma
 - Oregon
 - Pennsylvania
 - Rhode Island
 - South Carolina
 - South Dakota
 - Tennessee
 - Texas
 - Utah
 - Vermont
 - Virginia
 - Washington
 - West Virginia
 - Wisconsin
 - Wyoming
 - State Standards
 - Plans
 - Resources
 - Districts
 - Share
 - Contact Us
 - Company