SIM 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/sim-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 a SIM card and why does my phone need it?A SIM card is a tiny chip that lets your phone talk to the world. It stores your phone number and keeps your data safe.
2. How does a SIM card keep my phone safe from strangers?It has a secret PIN code that only you know. This stops people who find the card from using it.

Universal Integrated Circuit Card (UICC): The physical smart card that houses the SIM chip and its associated semiconductor components.
International Mobile Subscriber Identity (IMSI): A globally unique identifier for mobile subscribers, essential for network authentication and roaming.
SIM Applet: A small application program that can be stored and executed on a SIM card to provide additional services.
Remote Provisioning: The process of activating or updating a SIM profile (especially eSIM) over the air, without physical intervention.