Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 941 · 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.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) name (d) smell
2. 2.🔍 Which is the odd one out? (a) memory card (b) printer (c) projector (d) speaker
3. 3.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
4. 4.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+V (d) Ctrl+Z
5. 5.🔍 Which is the odd one out? (a) a word processor (b) a computer game (c) a speaker (d) a web browser
6. 6.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) print (c) select all (d) save
9. 9.🔍 Which is the odd one out? (a) a scanner (b) a computer game (c) a printer (d) a keyboard
10. 10.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
11. 11.What does it mean to rename a file? (a) make a brand-new one (b) store your work (c) give it a new name (d) make an exact twin
12. 12.Which file ending is a sound? (a) .png (b) .pdf (c) .mp3 (d) .jpg
13. 13.🔍 Which is the odd one out? (a) a pen drive (b) a webcam (c) a scanner (d) a paint program
14. 14.True or false: to create a file means to make a brand-new one. (a) True (b) False
15. 15.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
16. 16.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Cut (d) Print
17. 17.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+A (d) Ctrl+V
18. 18.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+U (c) Ctrl+I (d) Ctrl+B
19. 19.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+C
20. 20.🔍 Which is the odd one out? (a) a computer game (b) a typing tutor (c) a paint program (d) a keyboard
21. 21.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
22. 22.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
23. 23.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
24. 24.🧩 Is an operating system hardware or software? (a) software (b) hardware
25. 25.Which file ending is a document? (a) .gif (b) .avi (c) .txt (d) .mp3
26. 26.True or false: to save a file means to store your work. (a) True (b) False
27. 27.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
28. 28.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) move (c) delete (d) copy
29. 29.Which of these is software? (a) a pen drive (b) a paint program (c) a keyboard (d) a scanner
30. 30.What does it mean to create a file? (a) give it a new name (b) make an exact twin (c) change its name (d) make a brand-new one
31. 31.Which of these is software? (a) a speaker (b) a mouse (c) a webcam (d) a calculator app
32. 32.True or false: a web browser is hardware. (a) True (b) False
33. 33.True or false: a word processor is hardware. (a) False (b) True
34. 34.💾 How many bits are there in 2 bytes?
35. 35.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) the pen drive (d) RAM
36. 36.🔍 Which is the odd one out? (a) a word processor (b) a music player app (c) a mouse (d) a paint program
37. 37.True or false: a music player app is hardware. (a) False (b) True
38. 38.Which shortcut do we press to save? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+Z
39. 39.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+X
40. 40.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Delete (d) Backspace

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