The computer said what?
Ten digital statements. Read the small distinctions.
Ten questions, with the answers explained. Try them in your head, then open each answer when you're ready.
Play this quiz →QUESTION 1 / 10
Wi-Fi and the internet mean exactly the same thing.
- True
- False
Show answer & explanation+
False
Wi-Fi is a wireless networking technology. A Wi-Fi network can exist without an internet connection.
QUESTION 2 / 10
Deleting a shortcut always deletes the original file.
- True
- False
Show answer & explanation+
False
A shortcut points to an item. Removing the shortcut usually leaves the original item in place.
QUESTION 3 / 10
A PDF can contain both text and images.
- True
- False
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True
PDF documents can hold text, images, and other document elements.
QUESTION 4 / 10
A pixel is a unit in a digital image.
- True
- False
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True
A raster image is made from pixels, each contributing color information.
QUESTION 5 / 10
Bluetooth is designed only for wired connections.
- True
- False
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False
Bluetooth is a wireless technology for exchanging data over short distances.
QUESTION 6 / 10
An email attachment is a file sent with an email message.
- True
- False
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True
The attachment travels with the message rather than existing only as text in its body.
QUESTION 7 / 10
Every website ending in .org is automatically trustworthy.
- True
- False
Show answer & explanation+
False
The domain ending does not verify that a site's claims are accurate or reliable.
QUESTION 8 / 10
A browser tab and a browser window are identical concepts.
- True
- False
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False
A window can contain several tabs, each showing its own page.
QUESTION 9 / 10
A QR code can encode a web address.
- True
- False
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True
Web addresses are a common use, though QR codes can encode other kinds of data too.
QUESTION 10 / 10
Lossless compression can reconstruct the original data exactly.
- True
- False
Show answer & explanation+
True
Lossless methods preserve all the information needed to recover the original data.