Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 312 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) cut (c) redo (d) select all
2. 2.True or false: Ctrl+S is the shortcut to redo. (a) True (b) False
3. 3.True or false: a typing tutor is hardware. (a) False (b) True
4. 4.True or false: a keyboard is hardware. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a paint program (b) a typing tutor (c) a music player app (d) a mouse
6. 6.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
7. 7.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) create (c) save (d) copy
8. 8.True or false: RAM is the working memory. (a) False (b) True
9. 9.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a web browser (d) a pen drive
10. 10.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
11. 11.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+V (d) Ctrl+X
12. 12.💾 How many GB are there in 2 TB?
13. 13.True or false: Ctrl+C is the shortcut to save. (a) True (b) False
14. 14.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
15. 15.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a music player app (d) a speaker
16. 16.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
17. 17.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
18. 18.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
19. 19.🔍 Which is the odd one out? (a) keyboard (b) microphone (c) scanner (d) printer
20. 20.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
21. 21.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
22. 22.💾 How many MB are there in 1 GB?
23. 23.Which of these is true of RAM? (a) holds apps that are open (b) keeps your saved files (c) is permanent storage (d) keeps data when off
24. 24.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) save (c) copy (d) paste
25. 25.💾 How many KB are there in 1 MB?
26. 26.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
27. 27.True or false: to copy a file means to throw it away. (a) False (b) True
28. 28.Which file ending is a picture? (a) .png (b) .txt (c) .pdf (d) .mkv
29. 29.📁 Which word means to “get rid of it” (for a file or folder)? (a) save (b) create (c) open (d) delete
30. 30.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
31. 31.🔍 Which is the odd one out? (a) a speaker (b) a computer game (c) a scanner (d) a monitor
32. 32.🔍 Which is the odd one out? (a) a word processor (b) a hard disk (c) a scanner (d) a mouse
33. 33.True or false: a speaker is software. (a) True (b) False
34. 34.Which of these is an output device? (a) projector (b) memory card (c) hard disk (d) keyboard
35. 35.Which of these is a storage device? (a) printer (b) pen drive (c) scanner (d) projector
36. 36.True or false: a monitor is hardware. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) scanner (b) pen drive (c) mouse (d) microphone
38. 38.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+V (d) Ctrl+Z
39. 39.What does it mean to delete a file? (a) change its name (b) throw it away (c) store your work (d) put it in another place
40. 40.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+X

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