Vocab List for 2025

Sensor

Measures analog signals in nature and converts them into a format readable by microcontrollers, enabling the microcontroller to interpret real-world data.

Actuator

Converts digital signals from a microcontroller into physical motion or action, allowing the microcontroller to control external devices and systems.

Expansion Card

An integrated circuit board that can be inserted into a computer's expansion slot to add additional functionality, such as enhanced graphics or network capabilities.

Fetch

The process of retrieving an instruction from Random Access Memory (RAM) and copying it into the Central Processing Unit (CPU) for execution.

Microprocessor

A small, integrated computational device embedded onto a single chip, serving as the core processing unit in various electronic devices.