Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 140 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) box storage (d) paper storage
2. 2.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
3. 3.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) is permanent storage (d) loses data when off
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) a mouse (c) a typing tutor (d) a word processor
5. 5.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the hard disk (d) the pen drive
6. 6.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
7. 7.True or false: RAM keeps your saved files. (a) False (b) True
8. 8.True or false: Ctrl+C is the shortcut to select all. (a) False (b) True
9. 9.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
10. 10.True or false: to open a file means to see what is inside. (a) False (b) True
11. 11.True or false: Ctrl+Z is the shortcut to copy. (a) False (b) True
12. 12.True or false: Ctrl+V is the shortcut to undo. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) a calculator app (b) a pen drive (c) a music player app (d) a typing tutor
14. 14.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the icon (c) the cursor (d) the folder
15. 15.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
16. 16.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
17. 17.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
18. 18.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
19. 19.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
20. 20.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
21. 21.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
22. 22.Which file ending is a video? (a) .png (b) .mkv (c) .wav (d) .pdf
23. 23.True or false: a pen drive is a storage device. (a) False (b) True
24. 24.What does it mean to save a file? (a) give it a new name (b) keep your work for later (c) change its name (d) see what is inside
25. 25.True or false: a solid-state drive is a storage device. (a) True (b) False
26. 26.✋ Which can we touch: hardware or software? (a) software (b) hardware
27. 27.🔍 Which is the odd one out? (a) a monitor (b) a web browser (c) a speaker (d) a keyboard
28. 28.What does it mean to rename a file? (a) put it in another place (b) change its name (c) get rid of it (d) keep your work for later
29. 29.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
30. 30.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) cut (c) copy (d) paste
31. 31.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Undo (d) Delete
32. 32.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
33. 33.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
34. 34.💾 How many GB are there in 1 TB?
35. 35.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is permanent storage (d) holds apps that are open
36. 36.True or false: to delete a file means to get rid of it. (a) False (b) True
37. 37.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps photos for years (d) holds apps that are open
38. 38.🔍 Which is the odd one out? (a) a keyboard (b) a word processor (c) a web browser (d) an operating system
39. 39.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
40. 40.Which of these is software? (a) a printer (b) a calculator app (c) a mouse (d) a hard disk

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