Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 89 · 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.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
2. 2.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) delete (c) create (d) rename
3. 3.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
4. 4.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+X
5. 5.Which of these is a storage device? (a) keyboard (b) microphone (c) scanner (d) solid-state drive
6. 6.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
7. 7.True or false: to create a file means to make a brand-new one. (a) True (b) False
8. 8.Which of these is hardware? (a) a typing tutor (b) a speaker (c) a calculator app (d) a paint program
9. 9.💾 How many MB are there in 2 GB?
10. 10.🧩 Is a keyboard hardware or software? (a) software (b) hardware
11. 11.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) cut (c) paste (d) select all
12. 12.True or false: to copy a file means to see what is inside. (a) True (b) False
13. 13.💾 How many bits are there in 3 bytes?
14. 14.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
15. 15.True or false: to save a file means to keep your work for later. (a) True (b) False
16. 16.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the pen drive (c) the memory card (d) RAM
17. 17.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a pen drive (d) a printer
18. 18.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a monitor (d) a music player app
19. 19.Which file ending is a sound? (a) .mkv (b) .wav (c) .jpg (d) .png
20. 20.Which of these is software? (a) a pen drive (b) a web browser (c) a printer (d) a monitor
21. 21.🧩 Is a scanner hardware or software? (a) software (b) hardware
22. 22.🔍 Which is the odd one out? (a) a computer game (b) a speaker (c) a monitor (d) a mouse
23. 23.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
24. 24.Which of these is hardware? (a) a music player app (b) a calculator app (c) a webcam (d) a typing tutor
25. 25.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+X (d) Ctrl+S
26. 26.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
27. 27.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
28. 28.🧩 Is a webcam hardware or software? (a) software (b) hardware
29. 29.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
30. 30.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
31. 31.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+X
32. 32.True or false: a pen drive is hardware. (a) False (b) True
33. 33.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) print (c) cut (d) undo
34. 34.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
35. 35.Which of these is true of RAM? (a) keeps data when off (b) holds apps that are open (c) is permanent storage (d) keeps your saved files
36. 36.Which of these is software? (a) a calculator app (b) a pen drive (c) a printer (d) a monitor
37. 37.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) undo (d) print
39. 39.True or false: to open a file means to get rid of it. (a) True (b) False
40. 40.True or false: to rename a file means to change its name. (a) True (b) False

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