Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 871 · 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) hard disk (b) memory card (c) solid-state drive (d) keyboard
2. 2.What does it mean to move a file? (a) put it in another place (b) keep your work for later (c) throw it away (d) store your work
3. 3.🧩 Is a keyboard hardware or software? (a) hardware (b) software
4. 4.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
5. 5.Which file ending is a picture? (a) .avi (b) .mp3 (c) .jpg (d) .wav
6. 6.🔍 Which is the odd one out? (a) a printer (b) a typing tutor (c) a mouse (d) a monitor
7. 7.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
8. 8.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
9. 9.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
10. 10.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
11. 11.Which of these is hardware? (a) a keyboard (b) a calculator app (c) a computer game (d) a paint program
12. 12.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+X (d) Ctrl+C
13. 13.What does it mean to create a file? (a) see what is inside (b) make a brand-new one (c) make an exact twin (d) store your work
14. 14.True or false: RAM keeps data when off. (a) False (b) True
15. 15.Which file ending is a video? (a) .mp3 (b) .mkv (c) .png (d) .jpg
16. 16.True or false: an operating system is hardware. (a) True (b) False
17. 17.Which file ending is a sound? (a) .pdf (b) .jpg (c) .mp3 (d) .txt
18. 18.True or false: Ctrl+V is the shortcut to save. (a) False (b) True
19. 19.Which of these is software? (a) a monitor (b) a hard disk (c) a speaker (d) a word processor
20. 20.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
21. 21.True or false: to move a file means to give it a new name. (a) False (b) True
22. 22.What does it mean to rename a file? (a) change its name (b) keep your work for later (c) get rid of it (d) make a brand-new one
23. 23.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
24. 24.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
25. 25.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) select all (c) print (d) copy
26. 26.📁 Which word means to “put it in another place” (for a file or folder)? (a) save (b) move (c) delete (d) create
27. 27.Which file ending is a picture? (a) .mp4 (b) .pdf (c) .png (d) .mkv
28. 28.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) weight (d) name
29. 29.💾 How many bits are there in 6 bytes?
30. 30.🧩 Is a word processor hardware or software? (a) hardware (b) software
31. 31.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a speaker (d) a folder
32. 32.True or false: Ctrl+V is the shortcut to redo. (a) True (b) False
33. 33.What does it mean to delete a file? (a) see what is inside (b) change its name (c) throw it away (d) make an exact twin
34. 34.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) cut (c) save (d) undo
35. 35.True or false: to create a file means to get rid of it. (a) False (b) True
36. 36.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Y
37. 37.🧩 Is a calculator app hardware or software? (a) software (b) hardware
38. 38.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
39. 39.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
40. 40.True or false: Ctrl+A is the shortcut to paste. (a) False (b) True

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