Computer Science for IGCSE & O level - The Internet And Its Uses (Section 10 - No. 28)
What is a 'digital signature' used for?
To speed up the loading of a website.
To verify the authenticity and integrity of a digital document.
To translate domain names into IP addresses.
To store the user's personal data.
Explanation
A digital signature verifies the sender's identity and ensures the message hasn't been altered.
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