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All Grades / Cyber (615 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
Which is the smallest unit of computer memory?
Cyber
Data Representation
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by AKSHAY GURU VARADHARAJAN
· Class 5
What is an "Administrator" (Admin) account on a computer, and why should you be careful when using one?
Cyber
Authentication and User Accounts
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by AKSHAY GURU VARADHARAJAN
· Class 5
You are at a friend's house and you log into your favorite game on their computer. When you are done, the computer asks: "Would you like to save this password?" What should you click?
Cyber
Authentication and User Accounts
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by AKSHAY GURU VARADHARAJAN
· Class 5
Some phones let you log in using your face or your fingerprint. What is this type of authentication called?
Cyber
Authentication and User Accounts
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by AKSHAY GURU VARADHARAJAN
· Class 5
Your school uses "Multi-Factor Authentication" (MFA). This means after you type your password, you also have to enter a code sent to your teacher's phone. Why is this much safer than just using a password?
Cyber
Authentication and User Accounts
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by AKSHAY GURU VARADHARAJAN
· Class 5
You want to create a password for your new tablet. Which of these is a "Super Strong" password that would be hardest for a hacker's computer to guess?
Cyber
Authentication and User Accounts
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by AKSHAY GURU VARADHARAJAN
· Class 5
You tried to fix a computer problem yourself, but now a scary blue screen with white text appeared. What is the SMARTEST "Cyber Hero" step now?
Cyber
Troubleshooting Steps
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by AKSHAY GURU VARADHARAJAN
· Class 5
The internet on your tablet is very slow. Your teacher tells you to "Power Cycle" the router. What does this mean?
Cyber
Troubleshooting Steps
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people 3 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
You are trying to watch a video for class, but there is no sound. You’ve checked that the volume is up on the speakers. What "Hidden" volume control should you check next?
Cyber
Troubleshooting Steps
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by AKSHAY GURU VARADHARAJAN
· Class 5
Your favorite educational game is frozen and won't close when you click the "X." What is the best "Software" trick to try next?
Cyber
Troubleshooting Steps
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
You are typing a report and suddenly the letters stop appearing on the screen. What is the very first "Hardware" check you should perform?
Cyber
Troubleshooting Steps
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by AKSHAY GURU VARADHARAJAN
· Class 5
You are using a public computer in the school library to check your student email. After you finish reading your messages, what is the most important "Cyber Hero" step to take before you leave?
Cyber
Email and Online Communication
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by AKSHAY GURU VARADHARAJAN
· Class 5
You are sending an email to your whole class about a birthday party. You want to hide everyone’s email addresses so they can't see each other's private info. Which "Copy" box should you put the addresses in?
Cyber
Email and Online Communication
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by AKSHAY GURU VARADHARAJAN
· Class 5
Why is it a bad idea to use "ALL CAPS" when typing an email or a message to a teacher or a friend?
Cyber
Email and Online Communication
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by AKSHAY GURU VARADHARAJAN
· Class 5
You get a "Forwarded" email that says: "If you don't send this to 10 people in the next hour, your computer will be deleted!" What is the best way to stop this "Chain Letter"?
Cyber
Email and Online Communication
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by AKSHAY GURU VARADHARAJAN
· Class 5
When you are chatting with friends in an online game, someone you don't know asks, "Hey, what school do you go to? I want to see if we live near each other!" What is the safest way to handle this?
Cyber
Email and Online Communication
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by GIANSH GUPTA KHUNDKER
· Class 9
Which lossless algorithm uses a "dictionary" to replace recurring sequences of data with a reference or index?
Cyber
Data Compression
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by GIANSH GUPTA KHUNDKER
· Class 9
Which type of compression allows for the exact reconstruction of the original data?
Cyber
Data Compression
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following file formats typically uses lossy compression?
Cyber
Data Compression
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by GIANSH GUPTA KHUNDKER
· Class 9
Run-Length Encoding (RLE) is most effective on data that has:
Cyber
Data Compression
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