11Easy
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A programmer uses a record structure to store details about smart home appliances.

RECORD SmartDevice
    deviceName : String
    location : String
    wattsUsed : Integer
    isOn : Boolean
ENDRECORD

lamp ← SmartDevice('Desk Lamp', 'Bedroom', 15, True)
heater ← SmartDevice('Space Heater', 'Lounge', 1500, False)
router ← SmartDevice('Wi-Fi Router', 'Hallway', 12, True)
deviceList ← [lamp, heater, router]
maxWatts ← 0
targetIndex ← 0

FOR i ← 0 TO 2
    IF deviceList[i].wattsUsed > maxWatts THEN
        maxWatts ← deviceList[i].wattsUsed
        targetIndex ← i
    ENDIF
ENDFOR

OUTPUT deviceList[targetIndex].deviceName, ' uses the most power'

How many different values can the field isOn have?

222

888

256256256

Unlimited

Data types Questions

Practise AQA GCSE Computer Science Data types with exam-style questions for GCSE Computer Science. 50 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Data types Questions

  1. GCSE
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