Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 23 · 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 software? (a) a keyboard (b) a mouse (c) a hard disk (d) a typing tutor
2. 2.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
3. 3.True or false: a speaker is an output device. (a) True (b) False
4. 4.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
5. 5.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
6. 6.What does it mean to delete a file? (a) give it a new name (b) put it in another place (c) throw it away (d) store your work
7. 7.💾 How many bits are there in 6 bytes?
8. 8.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
9. 9.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
10. 10.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
11. 11.💾 How many bytes are there in 4 KB?
12. 12.What does it mean to rename a file? (a) make an exact twin (b) see what is inside (c) give it a new name (d) get rid of it
13. 13.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Cut (c) Copy (d) Save
14. 14.💾 How many MB are there in 1 GB?
15. 15.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
16. 16.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) RAM (c) the hard disk (d) the pen drive
17. 17.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
18. 18.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) move (c) delete (d) rename
19. 19.What does it mean to rename a file? (a) change its name (b) throw it away (c) see what is inside (d) put it in another place
20. 20.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
21. 21.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
22. 22.🧩 Is a computer game hardware or software? (a) hardware (b) software
23. 23.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
24. 24.Which of these is a storage device? (a) keyboard (b) microphone (c) speaker (d) pen drive
25. 25.💾 How many bits are there in 8 bytes?
26. 26.True or false: RAM is temporary memory. (a) True (b) False
27. 27.Which shortcut do we press to print? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+S (d) Ctrl+P
28. 28.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
29. 29.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a memory card (d) a pen drive
30. 30.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
31. 31.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
32. 32.What does it mean to move a file? (a) make a brand-new one (b) change its name (c) put it in another place (d) store your work
33. 33.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
34. 34.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
35. 35.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) redo (d) cut
36. 36.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
37. 37.💾 How many KB are there in 2 MB?
38. 38.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+V (d) Ctrl+C
39. 39.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) copy (c) save (d) paste
40. 40.✋ Which can we touch: hardware or software? (a) hardware (b) software

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