What is the meaning of obliteration?

[Obli]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #621 "Real Life: The Internet and Websites (4)", question 1

Downloading refers to the ......... of data from a larger mechanism to a smaller computer like they one you might have at home.

(a) obliteration
(b) transferring
(c) destruction

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #621 "Real Life: The Internet and Websites (4)", answer 1

Downloading refers to the transferring of data from a larger mechanism to a smaller computer like they one you might have at home.

Correct answer: (b) transferring
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what is the meaning of obliteration?

[Kitosdad]

Wiping out, or deleting.
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Keep it simple ... Keep it interesting.

[Bhikkhu1991a]

Hello,

There is a mistake in the test sentence. The appropriate word is "the" rather than "they". Could you please look into the problem?