Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 258 · 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 GB or 1 bit? (a) 1 GB (b) 1 bit
2. 2.✋ Which can we touch: hardware or software? (a) hardware (b) software
3. 3.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
4. 4.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) box storage (d) paper storage
5. 5.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
6. 6.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
7. 7.Which shortcut do we press to save? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+X (d) Ctrl+S
8. 8.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
9. 9.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
10. 10.Which file ending is a picture? (a) .gif (b) .avi (c) .mp4 (d) .mkv
11. 11.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) a speaker (b) a calculator app (c) a monitor (d) a hard disk
13. 13.What does it mean to rename a file? (a) make a brand-new one (b) give it a new name (c) throw it away (d) get rid of it
14. 14.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
15. 15.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) undo (c) select all (d) redo
16. 16.💾 How many bits are there in 10 bytes?
17. 17.💾 How many bits are there in 8 bytes?
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) redo (c) print (d) paste
19. 19.Which of these is an input device? (a) printer (b) speaker (c) mouse (d) memory card
20. 20.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) undo (c) save (d) select all
21. 21.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Cut (d) Copy
22. 22.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
23. 23.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) create (c) delete (d) move
24. 24.What does it mean to delete a file? (a) see what is inside (b) make an exact twin (c) put it in another place (d) throw it away
25. 25.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) farmers (d) tailors
26. 26.True or false: to create a file means to throw it away. (a) True (b) False
27. 27.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) save (c) open (d) delete
28. 28.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
29. 29.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
30. 30.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
31. 31.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+B (c) Ctrl+U (d) Ctrl+F
32. 32.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+A (d) Ctrl+X
33. 33.🔍 Which is the odd one out? (a) keyboard (b) mouse (c) microphone (d) pen drive
34. 34.🔍 Which is the odd one out? (a) an operating system (b) a speaker (c) a webcam (d) a printer
35. 35.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) redo (c) print (d) paste
36. 36.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+V (d) Ctrl+Z
37. 37.Which of these is a storage device? (a) speaker (b) pen drive (c) monitor (d) keyboard
38. 38.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
39. 39.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) save (c) redo (d) copy
40. 40.True or false: a typing tutor is software. (a) False (b) True

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