Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 79 · 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) solid-state drive (b) hard disk (c) scanner (d) pen drive
2. 2.True or false: a printer is an output device. (a) True (b) False
3. 3.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) holds apps that are open (c) is temporary memory (d) is permanent storage
4. 4.Which of these is an output device? (a) microphone (b) pen drive (c) memory card (d) projector
5. 5.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
6. 6.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) keyboard (d) mouse pad
7. 7.True or false: RAM keeps data when off. (a) True (b) False
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) print (c) select all (d) save
9. 9.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
10. 10.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) copy (c) print (d) paste
11. 11.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
12. 12.💾 How many GB are there in 2 TB?
13. 13.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
14. 14.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+A
15. 15.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
16. 16.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
17. 17.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
18. 18.Which file ending is a document? (a) .gif (b) .mp4 (c) .png (d) .txt
19. 19.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
20. 20.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
21. 21.✋ Which can we touch: hardware or software? (a) software (b) hardware
22. 22.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
23. 23.💾 How many KB are there in 3 MB?
24. 24.What does it mean to move a file? (a) make an exact twin (b) put it in another place (c) throw it away (d) see what is inside
25. 25.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+X (d) Ctrl+P
26. 26.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) paste (d) save
27. 27.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+C
28. 28.Which file ending is a sound? (a) .png (b) .wav (c) .pdf (d) .avi
29. 29.What does it mean to save a file? (a) make a brand-new one (b) store your work (c) get rid of it (d) put it in another place
30. 30.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
31. 31.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) paper storage (d) box storage
32. 32.Which of these is software? (a) a web browser (b) a pen drive (c) a speaker (d) a printer
33. 33.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) paste (c) cut (d) save
34. 34.🧩 Is a music player app hardware or software? (a) software (b) hardware
35. 35.🔍 Which is the odd one out? (a) a web browser (b) a paint program (c) a typing tutor (d) a hard disk
36. 36.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions
37. 37.📁 Which word means to “put it in another place” (for a file or folder)? (a) delete (b) move (c) open (d) create
38. 38.💾 How many bytes are there in 3 KB?
39. 39.Which of these is an output device? (a) microphone (b) keyboard (c) speaker (d) solid-state drive
40. 40.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit

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