Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 272 · 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 “make an exact twin” (for a file or folder)? (a) copy (b) move (c) delete (d) open
2. 2.Which file ending is a video? (a) .gif (b) .mp3 (c) .mkv (d) .jpg
3. 3.Which shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+P (d) Ctrl+S
4. 4.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
5. 5.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
6. 6.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+S
7. 7.🧩 Is a keyboard hardware or software? (a) software (b) hardware
8. 8.What does it mean to create a file? (a) throw it away (b) give it a new name (c) make a brand-new one (d) change its name
9. 9.True or false: a keyboard is hardware. (a) False (b) True
10. 10.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
11. 11.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Undo (d) Save
12. 12.💾 How many MB are there in 2 GB?
13. 13.True or false: a music player app is hardware. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a keyboard (b) a webcam (c) a word processor (d) a scanner
15. 15.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
16. 16.True or false: an operating system is hardware. (a) False (b) True
17. 17.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
18. 18.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a scanner (d) an operating system
19. 19.True or false: a hard disk is software. (a) True (b) False
20. 20.🧩 Is a webcam hardware or software? (a) software (b) hardware
21. 21.🔍 Which is the odd one out? (a) monitor (b) solid-state drive (c) printer (d) speaker
22. 22.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
23. 23.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) hard disk (d) projector
24. 24.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
25. 25.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
26. 26.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
27. 27.True or false: to create a file means to get rid of it. (a) False (b) True
28. 28.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
29. 29.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) redo (c) cut (d) select all
30. 30.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) copy (c) save (d) create
31. 31.🧩 Is a web browser hardware or software? (a) hardware (b) software
32. 32.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
33. 33.True or false: RAM keeps your saved files. (a) False (b) True
34. 34.💾 How many KB are there in 3 MB?
35. 35.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
36. 36.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) redo (c) cut (d) copy
37. 37.Which file ending is a picture? (a) .mkv (b) .mp4 (c) .mp3 (d) .png
38. 38.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
39. 39.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
40. 40.Which of these is software? (a) a speaker (b) a computer game (c) a keyboard (d) a printer

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