Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 290 · 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 smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
2. 2.True or false: a keyboard is hardware. (a) True (b) False
3. 3.🧩 Is a mouse hardware or software? (a) hardware (b) software
4. 4.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
5. 5.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
6. 6.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
7. 7.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
8. 8.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
9. 9.What does it mean to open a file? (a) see what is inside (b) give it a new name (c) put it in another place (d) store your work
10. 10.True or false: a mouse is a storage device. (a) True (b) False
11. 11.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
12. 12.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+S
13. 13.Which of these is hardware? (a) an operating system (b) a mouse (c) a calculator app (d) a typing tutor
14. 14.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) microphone (d) pen drive
15. 15.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+A (d) Ctrl+C
16. 16.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
17. 17.True or false: to rename a file means to get rid of it. (a) False (b) True
18. 18.✋ Which can we touch: hardware or software? (a) hardware (b) software
19. 19.🧩 Is a keyboard hardware or software? (a) software (b) hardware
20. 20.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) redo (c) copy (d) paste
21. 21.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
22. 22.💾 How many bits are there in 9 bytes?
23. 23.True or false: RAM keeps your saved files. (a) False (b) True
24. 24.What does it mean to create a file? (a) keep your work for later (b) change its name (c) store your work (d) make a brand-new one
25. 25.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
26. 26.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
27. 27.True or false: RAM is the working memory. (a) True (b) False
28. 28.Which file ending is a document? (a) .gif (b) .txt (c) .jpg (d) .mp3
29. 29.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) print (c) cut (d) paste
30. 30.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+V (d) Ctrl+X
31. 31.🔍 Which is the odd one out? (a) a word processor (b) a paint program (c) a keyboard (d) an operating system
32. 32.True or false: Ctrl+S is the shortcut to redo. (a) False (b) True
33. 33.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
34. 34.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) save (c) cut (d) copy
35. 35.Which of these is software? (a) a calculator app (b) a webcam (c) a speaker (d) a hard disk
36. 36.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
37. 37.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) print (d) select
38. 38.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
39. 39.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) open (c) create (d) delete
40. 40.🔍 Which is the odd one out? (a) a speaker (b) a mouse (c) a calculator app (d) a scanner

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