IB CS

• What should students be able to identify at the end of the lesson?

  A range of causes of data loss
• What is one consequence of data loss that students should outline?

  The consequences of data loss in a specified situation
• What does data loss refer to?

  A situation where data is destroyed due to system failure or storage errors
• Name a cause of data loss.

  Power failure
• What is another cause of data loss?

  Computer virus
• What is a third cause of data loss?

  Accidental deletion
• What is a fourth cause of data loss?

  Fire outbreak
• What is a fifth cause of data loss?

  Physical damage of the storage devices
• What are methods for preventing data loss?

  • Regular backup of files
  • Firewall installation
  • Installation of antivirus
  • Online auto-save backup
  • Storing hard copies in different locations
• What is a failover system?

  A computer system that automatically switches to a spare system in case of failure
• What is one activity students should perform regarding data loss?

  Identify any three causes of data loss in an organization
• What should students list regarding the consequences of data loss?

  The consequences of data loss in specified organizations
• What should students recommend as solutions to data loss?

  Solutions to prevent data loss
• What is the difference between a failover system and a switchover system?

  A failover system switches automatically, while a switchover system requires manual intervention
• Name a type of organization where a failover system could be used.

  Any organization that requires high availability
• What should Greensprings School do to ensure confidentiality of student information?

  Implement measures and methods to protect confidential information
• What is a patch in software deployment?

  A fix for known bugs and vulnerabilities in applications
• What is an upgrade in software deployment?

  A new version that contains novel functionalities and bug fixes
• What is an update in software deployment?

  An improvement that adds new functionalities or fixes bugs
• What are releases in software deployment?

  Final versions of software applications after testing
• What are the methods of obtaining requirements from stakeholders?

  • Interviewing (structured and unstructured)
  • Questionnaires (closed and open)
  • Direct observation
  • Surveys
• What is the advantage of structured interviews?

  They are strictly standardized and organized
• What is a disadvantage of unstructured interviews?

  They are time-consuming and difficult to summarize
• What is a closed questionnaire?

  A questionnaire that involves "Yes" or "No" answers
• What is an open questionnaire?

  A questionnaire that allows for free response questions
• How do questionnaires differ from interviews?

  Questionnaires guarantee uniformity of questions, while interviews do not
• What does direct observation involve?

  Spending time in different departments to observe procedures
• What does survey methodology focus on?

  Taking samples from a population and improving data collection techniques