Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 763 · 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.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
2. 2.Which of these is hardware? (a) a computer game (b) a typing tutor (c) a printer (d) a paint program
3. 3.True or false: to create a file means to change its name. (a) True (b) False
4. 4.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a web browser (b) a calculator app (c) a word processor (d) a speaker
6. 6.🧩 Is a speaker hardware or software? (a) hardware (b) software
7. 7.🧩 Is a music player app hardware or software? (a) hardware (b) software
8. 8.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+X
9. 9.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
10. 10.🧩 Is a calculator app hardware or software? (a) software (b) hardware
11. 11.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) farmers (d) plumbers
12. 12.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+C (d) Ctrl+S
13. 13.True or false: to delete a file means to make an exact twin. (a) True (b) False
14. 14.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
15. 15.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
16. 16.Which file ending is a video? (a) .pdf (b) .jpg (c) .mp3 (d) .mkv
17. 17.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) undo (c) redo (d) cut
19. 19.True or false: a projector is an input device. (a) True (b) False
20. 20.Which of these is software? (a) a webcam (b) a pen drive (c) a mouse (d) a calculator app
21. 21.True or false: to save a file means to get rid of it. (a) False (b) True
22. 22.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) save (c) copy (d) redo
23. 23.🧩 Is a keyboard hardware or software? (a) hardware (b) software
24. 24.Which of these is hardware? (a) a word processor (b) a speaker (c) a computer game (d) a typing tutor
25. 25.Which of these is an input device? (a) printer (b) monitor (c) keyboard (d) memory card
26. 26.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+Y
27. 27.Which of these is an input device? (a) projector (b) microphone (c) printer (d) pen drive
28. 28.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
29. 29.Which of these is software? (a) a monitor (b) a word processor (c) a mouse (d) a hard disk
30. 30.True or false: a speaker is a storage device. (a) True (b) False
31. 31.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+S (d) Ctrl+C
32. 32.True or false: a keyboard is software. (a) False (b) True
33. 33.💾 How many GB are there in 1 TB?
34. 34.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
35. 35.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
36. 36.Which of these is true of RAM? (a) is the working memory (b) keeps photos for years (c) keeps your saved files (d) keeps data when off
37. 37.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an output device (c) an input device
38. 38.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) a subfolder (d) an icon
39. 39.🧩 Is a mouse hardware or software? (a) software (b) hardware
40. 40.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) save (c) print (d) redo

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