Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 163 · 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: Ctrl+C is the shortcut to copy. (a) True (b) False
2. 2.🧩 Is a pen drive hardware or software? (a) hardware (b) software
3. 3.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) delete (c) copy (d) rename
4. 4.Which of these is true of RAM? (a) keeps data when off (b) is temporary memory (c) keeps your saved files (d) keeps photos for years
5. 5.True or false: a mouse is an output device. (a) False (b) True
6. 6.💾 How many bits are there in 1 byte?
7. 7.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+S
8. 8.What does it mean to create a file? (a) keep your work for later (b) give it a new name (c) make a brand-new one (d) make an exact twin
9. 9.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
10. 10.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) copy (c) save (d) select all
11. 11.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) hard disk (d) speaker
12. 12.Which file ending is a picture? (a) .png (b) .txt (c) .mp3 (d) .avi
13. 13.What does it mean to copy a file? (a) change its name (b) keep your work for later (c) store your work (d) make an exact twin
14. 14.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
15. 15.True or false: to create a file means to give it a new name. (a) False (b) True
16. 16.Which of these is hardware? (a) a calculator app (b) a computer game (c) a monitor (d) a word processor
17. 17.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) paper storage (d) box storage
18. 18.🧩 Is a monitor hardware or software? (a) hardware (b) software
19. 19.🧩 Is a printer hardware or software? (a) software (b) hardware
20. 20.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) paste (c) print (d) copy
21. 21.Which of these is software? (a) a keyboard (b) an operating system (c) a scanner (d) a printer
22. 22.What does it mean to rename a file? (a) put it in another place (b) give it a new name (c) store your work (d) make an exact twin
23. 23.🔍 Which is the odd one out? (a) a paint program (b) a scanner (c) a speaker (d) a pen drive
24. 24.Which of these is an output device? (a) memory card (b) mouse (c) monitor (d) hard disk
25. 25.Which of these is true of RAM? (a) is the working memory (b) keeps data when off (c) is permanent storage (d) keeps photos for years
26. 26.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) farmers (d) tailors
27. 27.🔍 Which is the odd one out? (a) a scanner (b) a keyboard (c) a web browser (d) a mouse
28. 28.Which shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+X (d) Ctrl+A
29. 29.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
30. 30.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
31. 31.Which file ending is a video? (a) .jpg (b) .pdf (c) .avi (d) .png
32. 32.True or false: a monitor is software. (a) True (b) False
33. 33.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) copy (c) paste (d) cut
34. 34.Which file ending is a document? (a) .avi (b) .txt (c) .png (d) .jpg
35. 35.🔍 Which is the odd one out? (a) a music player app (b) a word processor (c) a monitor (d) an operating system
36. 36.Which file ending is a document? (a) .png (b) .pdf (c) .jpg (d) .wav
37. 37.✋ Which can we touch: hardware or software? (a) hardware (b) software
38. 38.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+S (d) Ctrl+C
39. 39.True or false: to rename a file means to throw it away. (a) False (b) True
40. 40.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit

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