Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 274 · 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 one loses data when off: RAM or storage? (a) storage (b) RAM
2. 2.True or false: RAM loses data when off. (a) True (b) False
3. 3.🧩 Is a mouse hardware or software? (a) software (b) hardware
4. 4.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) create (c) move (d) delete
5. 5.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) keeps your saved files
6. 6.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) keeps photos for years (d) loses data when off
7. 7.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+A
8. 8.🔍 Which is the odd one out? (a) an operating system (b) a computer game (c) a music player app (d) a monitor
9. 9.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
10. 10.🧩 Is a word processor hardware or software? (a) hardware (b) software
11. 11.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+F (c) Ctrl+B (d) Ctrl+U
12. 12.Which file ending is a sound? (a) .mkv (b) .gif (c) .pdf (d) .wav
13. 13.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Undo (d) Cut
15. 15.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) copy (c) open (d) delete
16. 16.What does it mean to save a file? (a) change its name (b) give it a new name (c) keep your work for later (d) see what is inside
17. 17.Which file ending is a video? (a) .png (b) .mp3 (c) .jpg (d) .mkv
18. 18.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) fly a kite (d) cook food
19. 19.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
20. 20.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the icon (d) the folder
21. 21.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) copy (c) open (d) save
22. 22.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
23. 23.True or false: a music player app is hardware. (a) True (b) False
24. 24.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) redo (c) save (d) cut
25. 25.🧩 Is a music player app hardware or software? (a) hardware (b) software
26. 26.Which of these is an output device? (a) keyboard (b) projector (c) mouse (d) solid-state drive
27. 27.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
28. 28.🔍 Which is the odd one out? (a) printer (b) monitor (c) speaker (d) hard disk
29. 29.Which file ending is a picture? (a) .mp3 (b) .mp4 (c) .jpg (d) .txt
30. 30.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a pen drive (b) a keyboard (c) a hard disk (d) a computer game
32. 32.Which of these is hardware? (a) a calculator app (b) a hard disk (c) an operating system (d) a web browser
33. 33.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
34. 34.What does it mean to copy a file? (a) keep your work for later (b) change its name (c) make an exact twin (d) give it a new name
35. 35.🧩 Is a pen drive hardware or software? (a) software (b) hardware
36. 36.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
37. 37.True or false: Ctrl+C is the shortcut to undo. (a) False (b) True
38. 38.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
39. 39.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a calculator app (d) a pen drive
40. 40.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets