🟪 PART 6 — ARDUINO MEMORY
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11 Terms
What are the three main types of memory on the Arduino Uno?
Flash memory
SRAM
EEPROM
How much Flash memory does the Arduino Uno have?
32 KB
What is Flash memory used for?
It stores the program/sketch that the Arduino runs.
Is Flash memory volatile or non-volatile?
Non-volatile.
It keeps its information even when the power is turned off.
Flash = remembers
How much SRAM does the Arduino Uno have?
2 KB
What is SRAM used for?
It is used for variables and temporary data while the program is running.
Is SRAM volatile or non-volatile?
Volatile.
It loses its stored data when power is removed.
RAM = temporary
How much EEPROM does the Arduino Uno have?
1 KB
What is EEPROM used for?
It stores small amounts of data that need to remain saved even after the Arduino loses power.
Is EEPROM volatile or non-volatile?
Non-volatile.
What is the difference between Flash, SRAM and EEPROM?
Memory | Size | Main purpose | Power off? |
|---|---|---|---|
Flash | 32 KB | Stores program/sketch |
|
SRAM | 2 KB | Variables/temporary data |
|
EEPROM | 1 KB | Small long-term data |
|
