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Computer Science · May / June 2021 · Paper 22 · Question 4

2210

As printed in the paper

The question as text

This algorithm checks passwords. • Each password must be 8 or more characters in length; the predefined function Length returns the number of characters. • Each password is entered twice, and the two entries must match. • Either Accept or Reject is output. • An input of 999 stops the process. REPEAT OUTPUT "Please enter password" INPUT Password IF Length(Password) >= 8 THEN INPUT PasswordRepeat IF Password <> PasswordRepeat THEN OUTPUT "Reject" ELSE OUTPUT "Accept" ENDIF ELSE OUTPUT "Reject" ENDIF UNTIL Password = 999

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 4(a)[3]

  • 4(b)[4]

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