A) magnetic field B) heat C) electrical signal D) mechanical movement
A) Light intensity B) Sound C) Pressure D) Temperature
A) Continuous signal B) Discrete signal C) Pulse signal D) Digital signal
A) LDR B) PIR (Passive Infrared) sensor C) Hall effect sensor D) Ultrasonic sensor
A) increase signal amplitude B) store data C) convert digital to analog signals D) convert analog signals to digital form
A) inductive transducer B) Passive transducer C) secondary transducer D) active transducer
A) EEPROM B) RAM C) Cache D) ROM/Flash
A) PIR sensor B) Ultrasonic sensor C) Photoresistor D) Infrared sensor
A) hall effect sensor B) Phototransistor C) loudspeaker D) humidity sensor
A) loudspeaker B) humidity Sensor C) Phototransistor D) hall effect sensor
A) hall effect sensor B) loudspeaker C) humidity sensor D) Phototransistor
A) Power port B) HDMI C) Audio port D) I/O port
A) Reflected IR radiation B) Sound waves C) Temperature D) Magnetic field
A) CPU B) I/O ports C) Hard disk D) Memory
A) sound energy to electrical energy B) electrical energy to sound energy C) heat energy to mechanical energy D) mechanical stress to electrical voltage
A) A device that stores energy B) converts one form of energy into another C) A device that amplifies signals D) A device that generates noise
A) Microphone B) microcontroller C) Loudspeaker D) Sensor
A) Sound B) Temperature C) Pressure D) Pressure
A) A logic gate B) A small computer on a single integrated circuit C) A type of transistor D) A device that stores energy
A) storage capacity B) processing speed C) power consumption D) output voltage
A) ROM B) I/O ports C) RAM D) CPU |