Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 574 · 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 is the odd one out? (a) keyboard (b) speaker (c) printer (d) monitor
2. 2.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
3. 3.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) print (c) select all (d) cut
4. 4.Which file ending is a video? (a) .wav (b) .jpg (c) .avi (d) .png
5. 5.Which of these is software? (a) a paint program (b) a keyboard (c) a webcam (d) a scanner
6. 6.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+X
7. 7.True or false: an operating system is software. (a) False (b) True
8. 8.True or false: a web browser is hardware. (a) True (b) False
9. 9.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
10. 10.True or false: to create a file means to put it in another place. (a) False (b) True
11. 11.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
12. 12.💾 How many GB are there in 1 TB?
13. 13.True or false: a printer is an output device. (a) False (b) True
14. 14.🧩 Is a hard disk hardware or software? (a) software (b) hardware
15. 15.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
16. 16.True or false: a web browser is software. (a) False (b) True
17. 17.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
18. 18.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
19. 19.What does it mean to delete a file? (a) give it a new name (b) change its name (c) make an exact twin (d) get rid of it
20. 20.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) is temporary memory (d) loses data when off
21. 21.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a computer game (d) a scanner
22. 22.💾 How many MB are there in 2 GB?
23. 23.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
24. 24.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+S
25. 25.True or false: a printer is software. (a) True (b) False
26. 26.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) mouse pad (d) keyboard
27. 27.True or false: to rename a file means to keep your work for later. (a) False (b) True
28. 28.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
29. 29.True or false: a projector is an output device. (a) True (b) False
30. 30.Which of these is hardware? (a) an operating system (b) a paint program (c) a printer (d) a word processor
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.True or false: a speaker is hardware. (a) False (b) True
33. 33.Which of these is hardware? (a) a monitor (b) a music player app (c) a web browser (d) a paint program
34. 34.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
35. 35.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+C (d) Ctrl+S
36. 36.💾 How many bytes are there in 1 KB?
37. 37.What does it mean to save a file? (a) give it a new name (b) put it in another place (c) see what is inside (d) keep your work for later
38. 38.🔍 Which is the odd one out? (a) a web browser (b) a mouse (c) a paint program (d) a computer game
39. 39.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) move (c) copy (d) rename
40. 40.True or false: RAM is temporary memory. (a) True (b) False

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