Electronics

Which of the following types of memories is non-volatile and retains data even when the power is turned off?

• Dynamic Random Access Memory (DRAM)

• Static Random Access Memory (SRAM)

• Read-Only Memory (ROM)

• Flash Memory

Which of the following is not a characteristic of a piezoelectric sensor?

• It generates an electrical signal in response to applied pressure.

• It is based on the piezoelectric effect.

• It can measure temperature variations.

• It is commonly used for vibration and force measurements.

Which type of feedback configuration provides a phase shift of 180 degrees between the input and output signals?

• inverting amplifier

• non-inverting amplifier

• differential amplifier

• integrator

Which modulation technique is commonly used in amplitude-shift keying (ASK) and frequency-shift keying (FSK) to reduce the bandwidth?

• Pulse Width Modulation (PWM)

• Gaussian Minimum Shift Keying (GMSK)

• Quadrature Amplitude Modulation (QAM)

• Quadrature Phase Shift Keying (QPSK)

Please Identify Arduino Ethernet shield and Motor Driver board from the Images given below.

• 
• 
• 
• 

In LabVIEW we can create For loops, While loops & CASE structures

• True

• False

Controls are _______________- & indicators are _____________

• Inputs, Outputs

• Outputs, Inputs

• Inputs, Inputs

• Outputs, Outputs

How many digital pins are there in Arduino Uno

Which of the following is the correct syntax for reading data from a sensor connected to an analog input pin?

• analogRead(sensor_pin);

• digitalRead(sensor_pin);

• analogWrite(sensor_pin, value);

• digitalWrite(sensor_pin, value);

What is the microcontroller used in Arduino UNO?

• ATmega328p

• ATmega2560

• ATmega32114

• AT91SAM3x8E