O-LevelComputer ScienceHardware2210/13 · Oct/Nov 2023 · Q18 Marks

A mobile telephone has built-in input and output devices.

(a)Give two examples of an input device that would be built into a mobile telephone. 1 2[2]
(b)Give one example of an output device that would be built into a mobile telephone.[1]
(c)(i)The data storage in the mobile telephone can be measured using different units of measurement. State how many bits are equal to a byte.[1]
(c)(ii)State how many kibibytes (KiB) equal a mebibyte (MiB).[1]
(d)The mobile telephone has an operating system. Describe the purpose of the operating system.[3]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.

[2] (a) Any two from e.g.: Touchscreen, Microphone, Keyboard, Keypad, Digital camera, Sensor // by example, Biometric device, Button
[1] (b) Any one from e.g.: Screen, Speaker, LED/Light, Actuator/Motor
[1] (c)(i) 8
[1] (c)(ii) 1024
[3] (d) Any three from: It performs the basic functions of a computer, It manages the hardware, It provides a platform to run software, It provides a user interface, It performs tasks such as (any example of function of an operating system)

On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.