Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 180 · 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 does a word processor help us do? (a) water plants (b) cook food (c) fly a kite (d) type and edit text
2. 2.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
3. 3.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
4. 4.Which of these is an input device? (a) hard disk (b) speaker (c) pen drive (d) keyboard
5. 5.True or false: a speaker is software. (a) True (b) False
6. 6.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
7. 7.🧩 Is a calculator app hardware or software? (a) software (b) hardware
8. 8.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
9. 9.🧩 Is a printer hardware or software? (a) hardware (b) software
10. 10.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
11. 11.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
12. 12.Which of these is an output device? (a) solid-state drive (b) mouse (c) printer (d) hard disk
13. 13.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) delete (c) rename (d) move
14. 14.What does it mean to open a file? (a) make a brand-new one (b) keep your work for later (c) get rid of it (d) see what is inside
15. 15.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) save (c) undo (d) select all
16. 16.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) microphone (d) hard disk
17. 17.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) copy (c) cut (d) redo
18. 18.Which of these is an output device? (a) solid-state drive (b) microphone (c) keyboard (d) speaker
19. 19.Which file ending is a document? (a) .txt (b) .avi (c) .jpg (d) .mp4
20. 20.🔍 Which is the odd one out? (a) a calculator app (b) a monitor (c) a webcam (d) a speaker
21. 21.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) redo (c) paste (d) select all
22. 22.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
23. 23.True or false: a microphone is an output device. (a) True (b) False
24. 24.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
25. 25.True or false: a keyboard is software. (a) True (b) False
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Copy (d) Cut
27. 27.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the cursor (d) the toolbar
28. 28.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) cloud storage (d) rain storage
29. 29.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+C
30. 30.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) holds apps that are open (d) keeps your saved files
31. 31.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
32. 32.True or false: a typing tutor is hardware. (a) True (b) False
33. 33.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) is temporary memory (d) is permanent storage
34. 34.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
35. 35.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
36. 36.🧰 Is a monitor a storage, input or output device? (a) an input device (b) an output device (c) a storage device
37. 37.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) undo (c) redo (d) cut
38. 38.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Print (c) Delete (d) Cut
39. 39.Which of these is hardware? (a) a music player app (b) a mouse (c) an operating system (d) a calculator app
40. 40.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) speaker (d) keyboard

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