Meaning of inaccuracy

[Alena]

Synonym Search, Intermediate level

ESL/EFL Test #115 "Synonyms for mistake and blunder", question 5

All the information was lost because of an ......... in the computers.

(a) incorrectness
(b) inaccuracy
(c) error
(d) inexactness

Synonym Search, Intermediate level

ESL/EFL Test #115 "Synonyms for mistake and blunder", answer 5

All the information was lost because of an error in the computers.

Correct answer: (c) error

Your answer was: incorrect
All the information was lost because of an inaccuracy in the computers.
_________________________

Can you explain me why I can't use the word 'inaccuracy'in this example? I used to utilize this world with other machines.Thank you for your help.

Alena