Computer Science - AS Level

Security, Privacy and Data Integrity

7.1 Security & Privacy (Data Security) (Bold Links below indicate links which cover topics which are not specifically or fullly covered in my presentation or Quiz)

• Security & Privacy Presentation
  • What is Data Security? (spamlaws)
  • What is Data Privacy? (techtarget)
    • Difference between 'Data Security' and 'Data Privacy'? (minnpost.com)
  • What is Data Integrity? (webopedia)
    • Difference Between Data Integrity and Data Security? (differencebetween)
  • Show appreciation of the need for both the security of data and the security of the computer system (explainingcomputers)
  • Comments on Encryption (howstuffworks)
  • Comments on Authentication methods (howstuffworks)
    • Security & Privacy Quiz

7.2 Data Back Up

• Data Back Up Presentation
  • Data Back Up Quiz

7.3 Data Integrity on Input (Verification and Validation)

• Verification & Validation Presentation
• Validation (teach-ict.com)
• Verification (teach-ict.com)
  • Notes on Validation and Verification (bbc.gcsebitesize)
• Verification & Validation Quiz

7.4 Data Integrity during Data Transmission (Error Checking & Correcting)

• Transmission error checking & correcting Presentation
  • Introduction to error checking (wikibooks)
  • Notes and exercises for Parity Checks (wikibooks)
  • Notes on Checksum (wikipedia) - ignore individual algorithms
  • Class activity on Error Detection and Correction (csunplugged)
    • Transmission error checking & correcting Quiz