Ukraine - Chernobyl Accident Remembered

What is the primary purpose of deletion in various contexts?

• To encrypt data

• To remove unnecessary or unwanted data

• To create new data

• To duplicate existing data

Which of the following is a common method used in the deletion process?

• Data overwriting

• Data encryption

• Data duplication

• Data compression

In the context of deletion, what does the term 'overwrite' refer to?

• Creating a backup of data

• Replacing old data with new data

• Compressing data to save space

• Encrypting data for security

Which scenario is an example of deletion in real-world applications?

• Backing up data to the cloud

• Removing outdated files from a computer

• Installing new software

• Sharing files over a network

Why is it important to understand the concept of deletion?

• To increase data redundancy

• To manage storage space efficiently

• To enhance data retrieval speed

• To improve data security