Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 133 · 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 of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) loses data when off (d) keeps data when off
2. 2.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
3. 3.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
4. 4.Which of these is hardware? (a) a computer game (b) a music player app (c) a word processor (d) a monitor
5. 5.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) create (c) rename (d) move
6. 6.True or false: Ctrl+C is the shortcut to select all. (a) False (b) True
7. 7.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) smell (d) name
8. 8.Which file ending is a video? (a) .jpg (b) .wav (c) .mp4 (d) .gif
9. 9.💾 How many bits are there in 11 bytes?
10. 10.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+S (d) Ctrl+Z
11. 11.🧩 Is a word processor hardware or software? (a) hardware (b) software
12. 12.Which of these is software? (a) a monitor (b) a scanner (c) a mouse (d) a calculator app
13. 13.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) delete (c) rename (d) move
14. 14.True or false: to delete a file means to get rid of it. (a) False (b) True
15. 15.🧩 Is a paint program hardware or software? (a) hardware (b) software
16. 16.✋ Which can we touch: hardware or software? (a) hardware (b) software
17. 17.Which file ending is a video? (a) .jpg (b) .txt (c) .avi (d) .wav
18. 18.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a folder (d) a mouse
19. 19.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
20. 20.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
21. 21.True or false: to create a file means to see what is inside. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a paint program (b) a monitor (c) a web browser (d) a word processor
23. 23.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a word processor (d) a music player app
24. 24.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
25. 25.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
26. 26.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
27. 27.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) is the working memory (d) keeps data when off
28. 28.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) open (c) copy (d) save
29. 29.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) memory card (d) mouse pad
30. 30.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a hard disk (d) a webcam
31. 31.What does it mean to move a file? (a) make an exact twin (b) store your work (c) put it in another place (d) change its name
32. 32.Which of these is software? (a) a typing tutor (b) a scanner (c) a printer (d) a hard disk
33. 33.Which of these is hardware? (a) a typing tutor (b) a web browser (c) a mouse (d) a computer game
34. 34.What does it mean to create a file? (a) throw it away (b) make a brand-new one (c) keep your work for later (d) store your work
35. 35.🧩 Is a monitor hardware or software? (a) software (b) hardware
36. 36.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
37. 37.True or false: an operating system is software. (a) False (b) True
38. 38.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps data when off (d) is temporary memory
39. 39.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
40. 40.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False

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