Question 1

Figure 8 shows an algorithm that uses a RECORD data structure for storing information about a film.

**Figure 8**
RECORD Film
  title : String
  certificate : String
  year : Integer
  beingShown : Boolean
ENDRECORD

hulk ← Film('Hulk', '12A', 2005, False)
ironMan ← Film('Iron Man', '12A', 2008, False)
antMan ← Film('Ant-Man', '12A', 2015, False)
filmCollection ← [antMan, hulk, ironMan]

year ← 0
position ← 0

FOR i ← 0 TO L1
  IF filmCollection[i].year > year THEN
    year ← filmCollection[i].year
    position ← i
  ENDIF
ENDFOR

OUTPUT filmCollection[position].title, ' is the newest film'
How many different values can the field `beingShown` have?

Accepted Answer

1. Look at the definition of the `RECORD Film` in Figure 8.
2. Identify the field `beingShown`.
3. Identify the data type of this field, which is `Boolean`.
4. Recall the definition of a Boolean data type. It is a data type that has one of two possible values, intended to represent the two truth values of logic.
5. The two values are typically `True` and `False`.
6. Therefore, the field can have 2 different values.

Question 2

What mistakes do candidates make on this AQA GCSE question?

Accepted Answer

✗ Confusing the Boolean data type with other data types like Integer or String.
✗ Guessing a number related to bits/bytes (like 128 or 256) without understanding the question.

How to approach this question

Full Answer

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