Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 225 · 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: to save a file means to make a brand-new one. (a) True (b) False
2. 2.True or false: to delete a file means to give it a new name. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a web browser (b) a monitor (c) a keyboard (d) a webcam
4. 4.Which of these is true of RAM? (a) is the working memory (b) is permanent storage (c) keeps photos for years (d) keeps data when off
5. 5.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
6. 6.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
7. 7.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) copy (c) save (d) paste
8. 8.Which of these is software? (a) a music player app (b) a monitor (c) a pen drive (d) a scanner
9. 9.True or false: RAM is temporary memory. (a) False (b) True
10. 10.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
11. 11.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps your saved files (d) loses data when off
12. 12.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+P
13. 13.What does it mean to delete a file? (a) change its name (b) throw it away (c) put it in another place (d) store your work
14. 14.💾 How many MB are there in 3 GB?
15. 15.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+Y
16. 16.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) paste (c) undo (d) copy
17. 17.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
18. 18.Which of these is an input device? (a) solid-state drive (b) monitor (c) mouse (d) hard disk
19. 19.Which of these is a storage device? (a) mouse (b) keyboard (c) solid-state drive (d) microphone
20. 20.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
21. 21.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
22. 22.Which of these is true of RAM? (a) holds apps that are open (b) is permanent storage (c) keeps photos for years (d) keeps data when off
23. 23.Which of these is software? (a) a hard disk (b) a keyboard (c) a scanner (d) an operating system
24. 24.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
25. 25.True or false: a mouse is software. (a) True (b) False
26. 26.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
27. 27.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) rename (c) move (d) open
28. 28.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
29. 29.Which of these is hardware? (a) a word processor (b) a music player app (c) an operating system (d) a speaker
30. 30.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
31. 31.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Copy (d) Undo
32. 32.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+C (d) Ctrl+A
33. 33.Which file ending is a document? (a) .png (b) .jpg (c) .txt (d) .gif
34. 34.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) open (c) save (d) move
35. 35.💾 How many bytes are there in 2 KB?
36. 36.What does it mean to create a file? (a) make a brand-new one (b) give it a new name (c) keep your work for later (d) get rid of it
37. 37.True or false: to delete a file means to keep your work for later. (a) True (b) False
38. 38.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
39. 39.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) print (c) select all (d) save
40. 40.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) an output device (c) a storage device

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