Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 721 · 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 shortcut do we press to print? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+X
2. 2.✋ Which can we touch: hardware or software? (a) software (b) hardware
3. 3.Which of these is software? (a) a hard disk (b) a mouse (c) a web browser (d) a pen drive
4. 4.True or false: Ctrl+P is the shortcut to paste. (a) True (b) False
5. 5.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
6. 6.Which file ending is a picture? (a) .pdf (b) .gif (c) .mp3 (d) .mkv
7. 7.🔍 Which is the odd one out? (a) keyboard (b) mouse (c) printer (d) microphone
8. 8.🧰 Is a memory card a storage, input or output device? (a) an input device (b) an output device (c) a storage device
9. 9.True or false: a keyboard is hardware. (a) False (b) True
10. 10.True or false: to delete a file means to get rid of it. (a) False (b) True
11. 11.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) print (c) copy (d) undo
12. 12.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
13. 13.💾 How many bytes are there in 1 KB?
14. 14.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+S (d) Ctrl+Z
15. 15.🧩 Is a pen drive hardware or software? (a) software (b) hardware
16. 16.🧩 Is an operating system hardware or software? (a) software (b) hardware
17. 17.Which of these is software? (a) a scanner (b) a webcam (c) a hard disk (d) a word processor
18. 18.Which of these is software? (a) a hard disk (b) a calculator app (c) a scanner (d) a webcam
19. 19.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
20. 20.🧩 Is a keyboard hardware or software? (a) hardware (b) software
21. 21.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
22. 22.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
23. 23.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
24. 24.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) select all (c) cut (d) copy
25. 25.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
26. 26.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
27. 27.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
28. 28.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a speaker (d) a calculator app
29. 29.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+C
30. 30.True or false: a scanner is an output device. (a) False (b) True
31. 31.What does it mean to save a file? (a) make a brand-new one (b) throw it away (c) make an exact twin (d) store your work
32. 32.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
33. 33.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) copy (c) print (d) paste
34. 34.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+X (d) Ctrl+C
35. 35.📁 Which word means to “put it in another place” (for a file or folder)? (a) delete (b) create (c) save (d) move
36. 36.🔍 Which is the odd one out? (a) a pen drive (b) a hard disk (c) a keyboard (d) a music player app
37. 37.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
38. 38.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is the working memory (d) keeps your saved files
39. 39.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
40. 40.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a big file (d) a subfolder

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