Topic 4

Question 1

Verification

Answer 1

Checking transferred data, usually during input, by comparing copies of the data before and after transfer to ensure the data is accurate.

Question 2

Validation

Answer 2

A computer check to ensure data is sensible

Question 3

Types of errors

Answer 3

⦿Input- incorrect entry form, entering twice, form loss.
⦿Transcription - when inputted. Misspelling, mistyping.
⦿Processing - Incorrect formula
⦿Transmission - when moving one location, might not arrive, be corrupted.