Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 549 · 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 word means to “get rid of it” (for a file or folder)? (a) create (b) delete (c) save (d) rename
2. 2.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a mouse (d) a speaker
3. 3.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) cut (d) save
4. 4.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
5. 5.🧩 Is a mouse hardware or software? (a) hardware (b) software
6. 6.💾 How many MB are there in 3 GB?
7. 7.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
8. 8.True or false: to create a file means to make a brand-new one. (a) True (b) False
9. 9.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
10. 10.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
11. 11.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) instructions (d) screws
12. 12.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) copy (d) undo
13. 13.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) undo (c) select all (d) print
14. 14.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) cut (c) save (d) redo
15. 15.💾 How many KB are there in 4 MB?
16. 16.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is permanent storage (c) is the working memory (d) loses data when off
17. 17.True or false: a computer game is software. (a) True (b) False
18. 18.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
19. 19.✋ Which can we touch: hardware or software? (a) software (b) hardware
20. 20.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+X (d) Ctrl+V
21. 21.Which of these is an output device? (a) keyboard (b) memory card (c) monitor (d) microphone
22. 22.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+S (d) Ctrl+Y
23. 23.🔍 Which is the odd one out? (a) keyboard (b) memory card (c) scanner (d) microphone
24. 24.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
25. 25.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
26. 26.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Cut (c) Copy (d) Redo
27. 27.What does it mean to open a file? (a) put it in another place (b) see what is inside (c) change its name (d) get rid of it
28. 28.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+A (d) Ctrl+C
29. 29.Which of these is software? (a) a monitor (b) a webcam (c) a computer game (d) a hard disk
30. 30.True or false: a printer is hardware. (a) False (b) True
31. 31.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) RAM (d) the pen drive
32. 32.True or false: a solid-state drive is an output device. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a web browser (b) a word processor (c) a mouse (d) a music player app
34. 34.True or false: a mouse is an output device. (a) True (b) False
35. 35.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
36. 36.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+X (d) Ctrl+P
37. 37.Which file ending is a picture? (a) .avi (b) .pdf (c) .gif (d) .mp4
38. 38.Which of these is software? (a) a mouse (b) a monitor (c) a printer (d) a typing tutor
39. 39.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
40. 40.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) copy (c) print (d) cut

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