7 questions · 29 marks · ≈ 29 min
An office has an automated lighting system. When movement is detected in the office, the lights are switched on. If movement is not detected for a period of two minutes, the lights are switched off.
The system uses a sensor and a microprocessor.
Identify the most appropriate sensor.
A printer is one example of an output device.
Give three other examples of output devices.
Give three examples of input devices.
A farm has an automated drinking system for its animals. The drinking system has a water bowl that contains the water. When the water bowl is empty, it is automatically refilled.
The system uses a sensor and a microprocessor.
Identify the most appropriate sensor for this system.
Extract:
A student has a portable tablet computer.
Identify two input devices that could be built into the portable tablet computer.
Identify one output device that could be built into the portable tablet computer
Identify one type of storage device that could be built into the portable tablet computer
The paragraph describes the use of output devices in a modern office.
Complete the paragraph using the most appropriate terms from the list.
Not all of the terms in the list need to be used.
In a modern office setup, various devices are used to enhance productivity and communication.
For displaying presentations and videos, a __________ (1) is commonly used as it projects high-quality images onto a large screen.
When it comes to producing physical documents, a __________ (2) printer is preferred for its fast and precise text printing, while an __________ (3) printer is chosen if budget is a concern.
For outputting clear audio during meetings or multimedia sessions, a __________ (4) ensures everyone can hear the sound clearly.
Additionally, a __________ (5) screen is often used in office monitors for its bright and sharp display, making it ideal for daily work.
A farm has an automated drinking system for its animals. The drinking system has a water bowl that contains the water. When the water bowl is empty, it is automatically refilled.
The system uses a sensor and a microprocessor.
Describe how the sensor and the microprocessor are used to automatically refill the water bowl.
A farmer uses an automated robot to plant seeds in the field.
The robot plants seeds and stops when it reaches a fence. It then turns and continues planting seeds. The robot uses sensors and a microprocessor to know when it reaches a fence.
Explain how the robot uses sensors and a microprocessor to know it has reached a fence