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

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.

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

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

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

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

Switch is categorised as an

Choose a correct statement about switch.

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

Name a switch which could be actuated by an angled lever.

The symbols represents

The symbols represents

The symbols represents

Suggest correct output for the LED.

Name the switch circuits

Statement shown describes about the Pull-up resistors circuit.

(i) To solve microcontroller floating issue.

(ii) It consumed extra power

(iii) Pulls the voltage of the signal to 0V level

Select TRUE statements.

These are true statements about display device, EXCEPT

Seven segments are usually available in _____________.

State the main function of seven-segment

Select the correct combination LED to be switch “ON” in simulating digit “7”.

Select FALSE statement about seven-segment display.

Select the correct combination of connections to enable the LED to light up.

Suggest correct output for the sketch.

Liquid crystal display (LCD) is a display device that use ……………………. to display an arbitary image.

Statement shown describes about LCD.

(i) LCD Interface Pin has 16 pins.

(ii) LCD is available as segmented display and matrix display.

(iii) Segmented LCDs can be used to display low information content.

Select TRUE statements.

Statement shown describes about active-matrix LCD.

(i) Also known as a thin film transistor (TFT) display.

(ii) Restricted viewing angles and slower response time.

(iii) Each pixel is individually controlled by its own transistor.

Select TRUE statements.

___________ display are widely used for small readouts, while a ____________display for TVs and computer screens.

Suggest correct meaning for instruction in box.

Statement shown describes about RGB LED.

(i) RGB LED has three main colours LED in a package.

(ii) This package able to produce various light colour.

(iii) RGB LED has three pins.

Select TRUE statements.

Colour below are the main component of RGB LED lights EXCEPT

Statements below about sensor, EXCEPT

Statements below describe characteristics of non-contact temperature sensor.

Statements below describe characteristics of non-contact temperature sensor.

(i) Required to be in physical contact

(ii) Detect liquids and gases that emit radiant energy

(iii) Detect radiant energy transmitted from an object in form of infra-red radiation

Select the correct characteristics.

Below are temperature sensors.

(i) Thermostat

(ii) Thermistor

(iii) Resistive temperature detectors (RTD)

(iv) Thermocouple

Select the correct temperature sensors that resistivity changes as a function of temperature.

Figure show a sensor that operate as open switch when enough heat is applied.

Select the correct temperature sensor.

Figure show a sensor that develop voltage across the junction when heat applied to its.

Select the correct temperature sensor.

Figure show a sensor that has fast response to any changes in temperature.

Select the correct temperature sensor.

Below are several types of temperature sensors, EXCEPT

Figure show symbol light sensor.

.Choose the correct name for the symbol.

Figure show symbol light sensor.

Choose the correct name for the symbol.

Figure show symbol light sensor.

Symbol above represent a:

Figure show a picture of a sensor.

Choose the correct name for the sensor.

Figure show a picture and statement about a sensor.

·         Made from high resistance semiconductor.

·         Resistance changes as light intensity change.

·         Often used as lighting control circuit.

Select the correct sensor for the description.

Figure show a picture and statement about a sensor. 

·         Made from semiconductor device.

·         Current generated when light is absorbed.

·         Operate in reverse bias.

Select the correct sensor for the description.

 Figure show a picture and statement about a microphone.

·         Has a diaphragm that acts as one plate of a capacitor, and

·         the vibrations produce changes in the distance between the plates.

Select the correct microphone for the description.

Figure show a picture and statement about a microphone. 

·         Work via electromagnetic induction.

Select the correct microphone for the description.

Figure show a picture and statement about a microphone. 

·         convert vibrations into an electrical signal.

Select the correct microphone for the description.

Figure show a sensor able to determine the distance of the object.

Select the correct measurement process to determine distance.

Figure show a physical view of a sensor.

Select the correct sensor.