Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 427 · 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 of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) is the working memory (d) keeps data when off
2. 2.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) copy (c) select all (d) save
3. 3.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
4. 4.Which of these is hardware? (a) a monitor (b) a typing tutor (c) a web browser (d) a computer game
5. 5.True or false: a keyboard is an output device. (a) True (b) False
6. 6.Which shortcut do we press to print? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+P
7. 7.🔍 Which is the odd one out? (a) speaker (b) projector (c) keyboard (d) monitor
8. 8.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
9. 9.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
10. 10.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
11. 11.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) move (c) save (d) rename
12. 12.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) select all (c) paste (d) save
13. 13.💾 How many bytes are there in 2 KB?
14. 14.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
15. 15.🧩 Is a keyboard hardware or software? (a) software (b) hardware
16. 16.🔍 Which is the odd one out? (a) an operating system (b) a typing tutor (c) a calculator app (d) a keyboard
17. 17.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a folder (d) a mouse
18. 18.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
19. 19.True or false: a solid-state drive is a storage device. (a) False (b) True
20. 20.✋ Which can we touch: hardware or software? (a) hardware (b) software
21. 21.True or false: to move a file means to give it a new name. (a) True (b) False
22. 22.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
23. 23.True or false: a paint program is hardware. (a) True (b) False
24. 24.🧩 Is a word processor hardware or software? (a) hardware (b) software
25. 25.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Delete (c) Undo (d) Backspace
26. 26.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
27. 27.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
28. 28.Which of these is software? (a) a pen drive (b) a monitor (c) a scanner (d) a computer game
29. 29.Which file ending is a picture? (a) .mp3 (b) .jpg (c) .txt (d) .mp4
30. 30.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+C (d) Ctrl+Z
31. 31.🔍 Which is the odd one out? (a) a computer game (b) a paint program (c) a hard disk (d) a typing tutor
32. 32.What does it mean to rename a file? (a) make an exact twin (b) give it a new name (c) keep your work for later (d) get rid of it
33. 33.True or false: a speaker is software. (a) True (b) False
34. 34.🧩 Is a music player app hardware or software? (a) hardware (b) software
35. 35.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
36. 36.True or false: RAM loses data when off. (a) True (b) False
37. 37.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
38. 38.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a scanner (d) a paint program
39. 39.Which file ending is a document? (a) .pdf (b) .wav (c) .jpg (d) .mp4
40. 40.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+A (d) Ctrl+Z

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