Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 213 · 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.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
2. 2.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
3. 3.True or false: a printer is software. (a) True (b) False
4. 4.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) rename (c) save (d) delete
5. 5.True or false: an operating system is hardware. (a) False (b) True
6. 6.True or false: to move a file means to see what is inside. (a) True (b) False
7. 7.Which of these is true of RAM? (a) is permanent storage (b) is the working memory (c) keeps data when off (d) keeps your saved files
8. 8.💾 How many KB are there in 4 MB?
9. 9.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+V (d) Ctrl+P
10. 10.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) print (c) select all (d) save
11. 11.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
12. 12.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) microphone (d) pen drive
13. 13.Which of these is a storage device? (a) mouse (b) keyboard (c) microphone (d) solid-state drive
14. 14.Which of these is hardware? (a) a printer (b) a web browser (c) a typing tutor (d) a calculator app
15. 15.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
16. 16.Which file ending is a video? (a) .txt (b) .avi (c) .wav (d) .jpg
17. 17.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) print (c) redo (d) cut
18. 18.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+X
19. 19.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
20. 20.Which of these is a storage device? (a) hard disk (b) keyboard (c) mouse (d) printer
21. 21.True or false: Ctrl+X is the shortcut to print. (a) False (b) True
22. 22.True or false: Ctrl+P is the shortcut to paste. (a) False (b) True
23. 23.🧩 Is a music player app hardware or software? (a) hardware (b) software
24. 24.Which of these is an output device? (a) hard disk (b) pen drive (c) monitor (d) keyboard
25. 25.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
26. 26.🧩 Is a keyboard hardware or software? (a) hardware (b) software
27. 27.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
28. 28.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
29. 29.💾 How many GB are there in 2 TB?
30. 30.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
31. 31.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) keyboard (d) memory card
32. 32.What does it mean to move a file? (a) make a brand-new one (b) give it a new name (c) put it in another place (d) get rid of it
33. 33.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
34. 34.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
35. 35.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
36. 36.True or false: Ctrl+A is the shortcut to copy. (a) True (b) False
37. 37.True or false: RAM is the working memory. (a) True (b) False
38. 38.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) select all (c) paste (d) copy
39. 39.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
40. 40.Which of these is an output device? (a) keyboard (b) mouse (c) scanner (d) speaker

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