Junior Cycle · Junior Cycle Applied Technology
Junior Cycle Applied Technology: Control systems & sensors
How often Control systems & sensors comes up on the Applied Technology papers, every year it was asked, and questions to try.
CL Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years
Control systems & sensors, Common Level(6 marks)
Quick ones on Control systems & sensors.
(a)Which sensor would make a street light switch on as it gets dark?
- Thermistor
- LDR
- Reed switch
(b)In an input, process, output system, a light sensor is part of the?
- Output
- Process
- Input
(c)Most TV remote controls send their signal to the TV using?
- Infrared light
- Sound waves
- Ultraviolet light
Show the answers
(a) LDR
(b) Input
(c) Infrared light
Common Level
Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years
Every paper, year by year
| Year | Where it came up |
|---|---|
| 2026 | Q2c(i), Q4a(i), Q4a(iv) |
| 2025 | Q2b(i), Q2b(ii) |
| 2024 | Q4a(ii) |
| 2023 | Not asked |
| 2022 | Q1a(ii), Q3b(ii) |
Links open the State Examinations Commission’s paper for that year.
Other Applied Technology topics
- Bearings, couplings & friction
- CAD, CAM & 3D printing
- Circuits, PCBs & soldering
- Design process & user needs
- Developments & marking out
- Electronic components & symbols
- Gears, pulleys & chain drives
- Health & safety
- Impact of technology on society
- Motion types & linkages
- Plastic processes
- Plastics & composites
- Rotary-to-linear mechanisms
- Structures, forces & stability
- Switches & motor control
- Woods & manufactured boards
- Energy, power & conversions
- Fixings & fastenings
- Logic gates & truth tables
- Orthographic projection
- Sustainability & the environment
- Metals & alloys
- Robotics & automation
- Sketching & pictorial drawing
- Wood processes, joints & finishes
- Assistive & inclusive technology
- History of technology
- Metal processes