Which of the following defines a transistor?

• A device that only resists current flow.
• A semiconductor device used to amplify or switch signals.
• A passive component that stores electrical energy.
• A device that converts mechanical energy to electrical energy.

A transistor is considered a basic building block of:

• Obsolete mechanical systems.
• Ancient hydraulic systems.
• Modern electronics.
• Early pneumatic devices.

How many terminals does a basic transistor typically have for connection?

• Two
• Three
• Four
• One

In electronic systems, transistors are commonly used for what primary applications?

• Energy storage and release.
• Filtering and rectification.
• Modulation and demodulation.
• Amplification and switching.

An integrated circuit (IC) is fabricated on what type of material?

• A ceramic block.
• A plastic board.
• A semiconductor wafer.
• A metallic sheet.

What is another common term used to refer to an integrated circuit?

• Resistor
• Capacitor
• Diode
• Chip or microchip.

The primary function of an integrated circuit is to:

• Generate high voltage.
• Dissipate thermal energy.
• Combine numerous electronic components into a miniaturized circuit.
• Convert analog signals to digital signals.

Integrated circuits are found in virtually all:

• Large-scale industrial machinery.
• Traditional analog instruments.
• Modern electronic devices.
• Basic mechanical tools.

What type of device detects a physical quantity and converts it into an electrical signal?

• Actuator
• Regulator
• Sensor
• Transformer

A thermocouple is a common type of:

• Pressure sensor.
• Temperature sensor.
• Light sensor.
• Proximity sensor.