Problem Solving and Programming Workbook by Inqilab Patel

Page 72

X

Posn

New

T1

T2

OUTPUT

Trace table for input value 12 X Posn New T1 T2

OUTPUT

(b) State the purpose of the flowchart in part (a). ...................................................................................................................................[1] Examiners’ Comments Question 3 (a) Candidates with stronger responses throughout showed the skill of using a trace table; some candidates correctly updated the variables, T1 and T2, only. (b) Candidates with stronger responses throughout correctly identified the purpose of the flowchart as converting a denary number to binary. A few candidates incorrectly quoted the answer of a check digit from a previous examination paper.


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