Power Management in IoT Devices

Why is power management crucial for IoT devices?

• To increase processing speed

• To extend battery life

• To enhance network security

• To reduce manufacturing costs

What is one of the key benefits of efficient power management in IoT applications?

• Increased device size

• Improved signal strength

• Reduced operational costs

• Enhanced data storage

Microcontrollers (MCUs) are primarily designed for what purpose in IoT devices?

• High processing capabilities

• Low power consumption

• High storage capacity

• Complex graphical interfaces

What technique do advanced microprocessors use to manage power consumption based on workload?

• Static voltage scaling

• Dynamic voltage and frequency scaling (DVFS)

• Constant power mode

• Fixed frequency operation

What role do Power Management ICs (PMICs) play in IoT devices?

• Increase the speed of the processor

• Optimize power distribution and manage battery charging

• Enhance wireless connectivity

• Improve sensor accuracy

Which of the following is a benefit of using microcontrollers in IoT applications?

• They require more power than microprocessors.

• They integrate multiple peripherals to reduce component count.

• They can only operate in high-power modes.

• They have no sleep modes.

What is one approach that some IoT devices use to minimize reliance on traditional power sources?

• Increasing battery size

• Energy harvesting techniques

• Using heavier components

• Maximizing energy consumption

What is a major drawback of using microprocessors in IoT devices compared to microcontrollers?

• They are less powerful.

• They consume more power.

• They have fewer functionalities.

• They are more cost-effective.

Why is it important for IoT devices to be reliable and available?

• To reduce manufacturing costs

• To ensure they can operate without maintenance

• To enhance aesthetic design

• To allow for easy upgrades

Which of the following hardware components is specifically designed to manage power consumption?

• Microprocessor

• Power Management IC (PMIC)

• Sensor

• Actuator