Computer Science for IGCSE & O level - Software (Section 14 - No. 11)
What is the purpose of encryption in security software?
To remove viruses from the computer.
To make the data unreadable without a key.
To improve the performance of the computer.
To create backups of files.
คำอธิบาย
Encryption scrambles data, making it unreadable without the correct decryption key.