A-LevelComputer ScienceProgramming9618/22 · May/June 2021 · Q111 Marks
Refer to the insert for the list of pseudocode functions and operators.
- (a)(i)Complete the following table by giving the appropriate data type in each case. Variable Example data value Data type Name "Catherine" Index 100 Modified FALSE Holiday 25/12/2020[4]
- (a)(ii)Evaluate each expression in the following table by using the initial data values shown in part (a)(i). Expression Evaluates to Modified OR Index > 100 LENGTH("Student: " & Name) INT(Index + 2.9) MID(Name, 1, 3)[4]
- (b)Each pseudocode statement in the following table contains an example of selection, assignment or iteration. Put one tick ('✓') in the appropriate column for each statement. Statement Selection Assignment Iteration Index ← Index + 1 IF Modified = TRUE THEN ENDWHILE[3]
Mark scheme
Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.
- [1] (a)(i) STRING
- [1] (a)(i) INTEGER
- [1] (a)(i) BOOLEAN
- [1] (a)(i) DATE
- [1] (a)(ii) FALSE
- [1] (a)(ii) 18
- [1] (a)(ii) 102
- [1] (a)(ii) "Cat"
- [1] (b) Index ← Index + 1: Assignment ✓
- [1] (b) IF Modified = TRUE THEN: Selection ✓
- [1] (b) ENDWHILE: Iteration ✓
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