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Grade 9 Networks & the Internet Worksheet with Answers
Grade 9 (US) · Year 10 (UK) · Class 9 (India) · Computer Science
Unit 5: Networks & CybersecurityThe Internet
How networks move data: devices, IP addresses, packets and download times. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comNetworks & the Internet
Grade 9 · Computer Science
Name
Class
Date
Learning goal: The Internet
Directions: Read each question and circle the best answer.
Which device stores websites and sends them to visitors: server, scanner, or mouse?
Answer: server
RememberHow data travels
- 1
Which technology connects devices without cables using radio waves: USB, WiFi, or HDMI?
USBWiFiHDMI - 2
A 9 MB file is split into packets of 1.5 MB. How many packets are sent?
- 3
Is 56.4.18.95 a valid IPv4 address (each part 0–255)?
YesNo - 4
A 13.5 MB file is split into packets of 1.5 MB. How many packets are sent?
- 5
Which device sends data between different networks: monitor, router, or printer?
MonitorRouterPrinter - 6
A 6 MB file is split into packets of 1.5 MB. How many packets are sent?
- 7
A 4.5 MB file is split into packets of 1.5 MB. How many packets are sent?
- 8
A 15 MB file is split into packets of 1.5 MB. How many packets are sent?
- 9
Which technology connects devices without cables using radio waves: USB, HDMI, or WiFi?
USBHDMIWiFi - 10
Which technology connects devices without cables using radio waves: HDMI, USB, or WiFi?
HDMIUSBWiFi - 11
Which device turns your typing into data the computer reads: router, keyboard, or speaker?
RouterKeyboardSpeaker - 12
Is 160.7.55.314 a valid IPv4 address (each part 0–255)?
YesNo
★ Challenge corner for fast finishers
How many different patterns can 3 bits make?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/9/networks_internet
Answer key — Networks & the Internet (Grade 9)
- 1.WiFi
- 2.6
- 3.yes
- 4.9
- 5.router
- 6.4
- 7.3
- 8.10
- 9.WiFi
- 10.WiFi
- 11.keyboard
- 12.no
- ★8
Answer key (click to show)
- 1.WiFi
- 2.6
- 3.yes
- 4.9
- 5.router
- 6.4
- 7.3
- 8.10
- 9.WiFi
- 10.WiFi
- 11.keyboard
- 12.no
- ★8 (challenge corner)
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