Computer Science · Oct / Nov 2024 · Paper 12 · Question 4

0478

As printed in the paper

The question as text

A student has a smartwatch.

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

Show the answer and mark scheme

4(a)[2]
Any two from:
Touchscreen
Microphone
Button
(Digital) camera
Sensor // by example
4(b)[1]
Any one from:
Screen
Speaker
LED
Actuator
4(c)[2]
Any two from:
To store the BIOS
To store the bootstrap
To help start-up the smart watch // to store start-up instructions
To store the firmware
For non-volatile storage // to store data permanently
To store data/instructions that should not change (unless needed)
4(d)(i)[2]
Any two from:
A collection of servers
Allows access to data remotely // Stores data in a remote location
Hardware can be owned/managed by a third party
Data storage that is stored/accessed using the internet
4(d)(ii)[4]
Any four from:
No need to maintain the hardware
… the third party is responsible for maintaining the hardware / security of the data
Resources can be increased / decreased (on demand) // Can have unlimited storage capacity
… no need to worry about running out of storage space
… can save cost of purchase of hardware
Need less/no (secondary) storage space on the watch
… watch can remain/is small in size
… costs of watch can be kept lower
Can access the data from other/any devices
… if the watch breaks/is lost data is still available
4(e)[2]
Any two from:
The watch can only perform a dedicated/limited functions/tasks
… and a general purpose computer performs many/multiple functions
… (this means that) it is an embedded system
You cannot plug in peripherals
You cannot reprogram the smartwatch // Cannot install other software/apps
It would only have a microprocessor // It would not have a CPU

Practise this paper →

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.