Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 460 · 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.🔍 Which is the odd one out? (a) speaker (b) memory card (c) monitor (d) printer
2. 2.What does it mean to move a file? (a) throw it away (b) put it in another place (c) make an exact twin (d) change its name
3. 3.What does it mean to rename a file? (a) get rid of it (b) throw it away (c) change its name (d) store your work
4. 4.True or false: a speaker is a storage device. (a) True (b) False
5. 5.✋ Which can we touch: hardware or software? (a) software (b) hardware
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) cut (d) redo
7. 7.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) redo (d) undo
8. 8.🔍 Which is the odd one out? (a) monitor (b) pen drive (c) memory card (d) solid-state drive
9. 9.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a keyboard (d) a calculator app
10. 10.Which file ending is a document? (a) .jpg (b) .png (c) .mp3 (d) .pdf
11. 11.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
12. 12.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
13. 13.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
14. 14.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) taste (d) smell
15. 15.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
16. 16.True or false: a keyboard is an output device. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) speaker (b) printer (c) scanner (d) projector
18. 18.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Print (d) Cut
19. 19.🧩 Is a mouse hardware or software? (a) software (b) hardware
20. 20.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
21. 21.True or false: to rename a file means to make an exact twin. (a) False (b) True
22. 22.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a keyboard (b) a speaker (c) a monitor (d) a word processor
24. 24.👩‍💻 What do we call people who write software? (a) farmers (b) plumbers (c) programmers (d) tailors
25. 25.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
26. 26.🔍 Which is the odd one out? (a) printer (b) microphone (c) scanner (d) keyboard
27. 27.💾 How many GB are there in 2 TB?
28. 28.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
29. 29.🔍 Which is the odd one out? (a) printer (b) pen drive (c) speaker (d) monitor
30. 30.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+P (d) Ctrl+Y
31. 31.True or false: to rename a file means to see what is inside. (a) True (b) False
32. 32.🧩 Is a calculator app hardware or software? (a) software (b) hardware
33. 33.True or false: RAM is the working memory. (a) True (b) False
34. 34.💾 How many bits are there in 7 bytes?
35. 35.Which of these is hardware? (a) a typing tutor (b) a printer (c) a paint program (d) an operating system
36. 36.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
37. 37.Which of these is software? (a) a pen drive (b) a speaker (c) a calculator app (d) a keyboard
38. 38.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) keeps photos for years (d) loses data when off
39. 39.True or false: Ctrl+C is the shortcut to paste. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) a music player app (b) a paint program (c) a web browser (d) a printer

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