Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 297 · 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 a folder inside another folder? (a) an icon (b) a subfolder (c) a printer (d) a big file
2. 2.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
3. 3.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) is temporary memory (d) keeps your saved files
4. 4.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps your saved files (c) holds apps that are open (d) loses data when off
5. 5.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) printer (d) memory card
6. 6.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) create (c) open (d) delete
7. 7.🧩 Is a mouse hardware or software? (a) software (b) hardware
8. 8.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
9. 9.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
10. 10.🔍 Which is the odd one out? (a) an operating system (b) a word processor (c) a keyboard (d) a computer game
11. 11.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
12. 12.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
13. 13.Which file ending is a video? (a) .png (b) .mp3 (c) .avi (d) .jpg
14. 14.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
15. 15.✋ Which can we touch: hardware or software? (a) software (b) hardware
16. 16.True or false: a keyboard is an input device. (a) False (b) True
17. 17.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
18. 18.True or false: a microphone is an input device. (a) False (b) True
19. 19.True or false: a word processor is software. (a) True (b) False
20. 20.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
21. 21.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) delete (c) rename (d) open
22. 22.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
23. 23.True or false: to move a file means to see what is inside. (a) True (b) False
24. 24.True or false: to save a file means to store your work. (a) True (b) False
25. 25.True or false: a hard disk is a storage device. (a) False (b) True
26. 26.True or false: a webcam is hardware. (a) False (b) True
27. 27.What does it mean to save a file? (a) keep your work for later (b) make an exact twin (c) make a brand-new one (d) throw it away
28. 28.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
29. 29.Which of these is hardware? (a) a paint program (b) a calculator app (c) a typing tutor (d) a hard disk
30. 30.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
31. 31.🧩 Is a paint program hardware or software? (a) hardware (b) software
32. 32.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
33. 33.True or false: a speaker is an output device. (a) False (b) True
34. 34.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+Y
35. 35.💾 How many bytes are there in 1 KB?
36. 36.True or false: an operating system is hardware. (a) False (b) True
37. 37.True or false: a word processor is hardware. (a) True (b) False
38. 38.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Undo (d) Delete
39. 39.True or false: a paint program is hardware. (a) False (b) True
40. 40.True or false: a computer game is hardware. (a) True (b) False

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