WorksheetsMicrocontroller Basics in IoT
Total questions: 10
Worksheet time: 5mins
What best describes a microcontroller (MCU) in an IoT system?
A general-purpose computer requiring external components
A cloud-based data processing unit
A compact system-on-chip designed for embedded control
A high-power graphics processor
Which component of an MCU is responsible for executing logic decisions?
SRAM
Flash Memory
CPU Core
GPIO Port
Which voltage mismatch can cause permanent damage to an MCU?
Connecting 3.3V sensor to a 5V MCU
Connecting 5V sensor directly to a 3.3V MCU pin
Using a voltage divider
Using a logic level converter
Which memory type retains program code even when power is removed?
SRAM
Cache
Flash Memory
Register
What is the primary function of GPIO pins?
Wireless communication
Power regulation
General-purpose input and output control
Data storage
Which connectivity technology is best suited for long-range, low-power IoT applications?
Wi-Fi
Bluetooth
LoRa
Ethernet
Which MCU architecture typically offers higher processing speed and precision?
8-bit architecture
16-bit architecture
32-bit architecture
Analog architecture
Why is SRAM important in IoT devices?
It stores the bootloader permanently
It holds program code only
It stores variables and execution data during runtime
It reduces clock speed
Which practice helps reduce power consumption in battery-powered IoT devices?
Increasing clock speed
Continuous Wi-Fi transmission
Using Deep Sleep mode when idle
Using higher voltage levels
Which software development tool is Python-based and easier for beginners but uses more memory?
Arduino IDE
PlatformIO
MicroPython
MPLAB
