Memory card

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/memory-card

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the underlying technology?NAND flash memory, a type of non-volatile semiconductor storage
2. What is the primary formats?SD (microSD, SDHC, SDXC, SDUC), CFexpress, CompactFlash
3. How did memory cards start?Memory cards started with flash memory invented by Toshiba in the 1980s. Flash memory can be erased and rewritten electrically and keeps data even when the power is off.
4. Why are memory cards important for smartphones?Memory cards let smartphones have extra space for apps, music, and videos. This keeps phones affordable and lets people store more content.

Non-volatile memory: Electronic memory that retains data without a continuous power supply, crucial for storage devices.
NAND flash memory: A type of non-volatile storage technology used in memory cards, SSDs, and USB drives.
Wear leveling: A technique used in flash memory to distribute write operations evenly, extending the lifespan of the storage medium.
EEPROM: Electrically Erasable Programmable Read-Only Memory, a precursor technology to flash memory.