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Computer Science · May / June 2026 · Paper 11 · Question 7

0478

As printed in the paper

The question as text

A child has a robot animal. The robot animal can perform actions like making a noise and walking around a room. If the robot animal hears a clapping sound, it makes a noise. If the robot animal is walking and it senses an object is less than 10 cm away, it will stop.

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

Show the answer and mark scheme

  • 7(a)[1]

    Acoustic sensor

  • 7(b)[2]

    Any two from:

    Proximity sensor
    Infrared sensor
    Light sensor
    Magnetic field sensor

  • 7(c)(i)[1]

    Any one from:

    It has a mechanical structure/framework
    It is programmable
    It has the ability to move

  • 7(c)(ii)[3]

    Any three from:

    The microprocessor/it compares the received data/data sent to the stored value/preset value (of 10)
    If the data/value received is less than 10, (the microprocessor) sends a signal to stop the robot
    (The signal is sent) to an actuator that is used to stop the robot

  • 7(d)[4]

    Any four from:

    For example:

    It can use machine learning
    … by adapting its own data/rules/processes
    It can create/makes a (digital) map (of the room) // Records/collects data about the shape/dimensions of the room
    … and record/store the location of objects
    GPS may be used to record the location of objects
    It can update its (digital) map
    … to record/store when objects are moved/removed/added
    It can store successful/unsuccessful routes/actions (that avoid objects)
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