LATIHAN SKF2 SENSOR MODULE

What is the primary function of an input in a digital system?

• To produce output signals

• To set the digital system in action

• To store data externally

• To communicate with other systems

Which of the following is an example of an input element?

• Display screen

• Keyboard

• Printer

• Speaker

Based on three types of devices below 

i) Sensors

 ii) Communication modules

iii) External storage

 

Select the correct device that can be classified as input elements in a digital system.

• i and ii

• i and iii

• ii and iii

• All above

Which of the following does NOT serve as an input element in a digital system?

• Keyboard

• External storage

• Microphone

• Monitor

Which of the following is NOT mentioned as part of the system’s output?

• Actuator

• Camera

• Display

• Sound

What is the fundamental function of a light-emitting diode (LED)?

• To regulate the flow of current in a circuit.

• To convert electrical energy into light energy.

• To store electrical energy for later use.

• To amplify electrical signals.

What is a key advantage of LEDs in automotive applications, such as headlamps?

• 
  They provide improved energy efficiency and longer life.

• They have a shorter lifespan compared to halogen bulbs.

• They require more power than traditional halogen bulbs.

• They offer slower switching times compared to halogen bulbs.

Switch is categorised as an

• Processor

• Output

• Memory

• Input

Choose a correct statement about switch.

• Use to interrupt flow of current

• Use to limit the flow of current

• Use to produce light

• Use to detect the motion

Name a switch which could be actuated with button when it was pressed and released.

• Push button

• Toggle switch

• Limit switch

• Selector switch