Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 218 · 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 word means to “change its name” (for a file or folder)? (a) save (b) rename (c) open (d) move
2. 2.🧩 Is a web browser hardware or software? (a) software (b) hardware
3. 3.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
4. 4.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
5. 5.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) keeps photos for years (d) loses data when off
6. 6.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
7. 7.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
8. 8.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
9. 9.What does it mean to copy a file? (a) give it a new name (b) make a brand-new one (c) make an exact twin (d) see what is inside
10. 10.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) print (c) undo (d) save
11. 11.Which file ending is a video? (a) .png (b) .mkv (c) .pdf (d) .mp3
12. 12.🔍 Which is the odd one out? (a) an operating system (b) a word processor (c) a calculator app (d) a keyboard
13. 13.What does it mean to delete a file? (a) make a brand-new one (b) throw it away (c) give it a new name (d) see what is inside
14. 14.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Delete (d) Undo
15. 15.True or false: a keyboard is software. (a) False (b) True
16. 16.🧩 Is a scanner hardware or software? (a) software (b) hardware
17. 17.Which file ending is a picture? (a) .txt (b) .jpg (c) .mkv (d) .wav
18. 18.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
19. 19.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
20. 20.True or false: to rename a file means to throw it away. (a) True (b) False
21. 21.Which of these is true of RAM? (a) is the working memory (b) keeps data when off (c) is permanent storage (d) keeps your saved files
22. 22.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
23. 23.Which of these is hardware? (a) a music player app (b) a web browser (c) a calculator app (d) a speaker
24. 24.🧰 Is a printer a storage, input or output device? (a) an input device (b) a storage device (c) an output device
25. 25.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) rename (c) move (d) save
26. 26.True or false: a solid-state drive is a storage device. (a) False (b) True
27. 27.Which of these is an input device? (a) memory card (b) projector (c) solid-state drive (d) microphone
28. 28.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
29. 29.✋ Which can we touch: hardware or software? (a) hardware (b) software
30. 30.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) select all (c) print (d) undo
31. 31.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) the pen drive (d) RAM
32. 32.🧩 Is a hard disk hardware or software? (a) hardware (b) software
33. 33.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
34. 34.What does it mean to save a file? (a) make an exact twin (b) get rid of it (c) keep your work for later (d) see what is inside
35. 35.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
36. 36.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Z
37. 37.Which file ending is a sound? (a) .txt (b) .jpg (c) .gif (d) .mp3
38. 38.🔍 Which is the odd one out? (a) a web browser (b) a paint program (c) a printer (d) an operating system
39. 39.🔍 Which is the odd one out? (a) monitor (b) mouse (c) keyboard (d) microphone
40. 40.True or false: RAM loses data when off. (a) False (b) True

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