What is the main purpose of CAPTCHA in online forms?

What is the main purpose of CAPTCHA in online forms?

• A. To tell Computers and Humans Apart
• B. To encrypt user data
• C. To verify a user’s age
• D. To track browsing history

Answer: (A)

CAPTCHA is designed to distinguish humans from automated programs. Online forms can be flooded by bots that submit endless entries, spam, or other abuse, wasting resources and degrading security. CAPTCHA presents tasks that are easy for people but hard for computers—like reading distorted text or identifying certain images—so a real user can prove they’re human without needing special tools. This helps keep forms usable for genuine users while blocking automated submissions. It isn’t about encrypting data, which is about protecting information in transit or storage; it doesn’t verify a user’s age, which would require identity details; and it isn’t intended to track browsing history, which is handled by other privacy or analytics mechanisms. The core function is preventing automated abuse by separating humans from bots.

CAPTCHA is designed to distinguish humans from automated programs. Online forms can be flooded by bots that submit endless entries, spam, or other abuse, wasting resources and degrading security. CAPTCHA presents tasks that are easy for people but hard for computers—like reading distorted text or identifying certain images—so a real user can prove they’re human without needing special tools. This helps keep forms usable for genuine users while blocking automated submissions. It isn’t about encrypting data, which is about protecting information in transit or storage; it doesn’t verify a user’s age, which would require identity details; and it isn’t intended to track browsing history, which is handled by other privacy or analytics mechanisms. The core function is preventing automated abuse by separating humans from bots.