Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 316 · 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.True or false: a speaker is a storage device. (a) True (b) False
2. 2.🧩 Is a hard disk hardware or software? (a) software (b) hardware
3. 3.Which of these is hardware? (a) a web browser (b) a word processor (c) a music player app (d) a mouse
4. 4.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
5. 5.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
6. 6.Which file ending is a video? (a) .gif (b) .jpg (c) .mp4 (d) .wav
7. 7.🔍 Which is the odd one out? (a) a printer (b) a speaker (c) a pen drive (d) a calculator app
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) select all (c) print (d) paste
9. 9.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Cut (d) Print
10. 10.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
11. 11.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
12. 12.True or false: to save a file means to put it in another place. (a) True (b) False
13. 13.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
14. 14.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
15. 15.True or false: a calculator app is hardware. (a) True (b) False
16. 16.💾 How many KB are there in 4 MB?
17. 17.🧩 Is a mouse hardware or software? (a) hardware (b) software
18. 18.True or false: a speaker is an output device. (a) False (b) True
19. 19.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
20. 20.🔍 Which is the odd one out? (a) a calculator app (b) a web browser (c) a word processor (d) a mouse
21. 21.🧩 Is a paint program hardware or software? (a) software (b) hardware
22. 22.True or false: to move a file means to put it in another place. (a) False (b) True
23. 23.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) copy (c) move (d) delete
24. 24.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
25. 25.True or false: a printer is hardware. (a) False (b) True
26. 26.True or false: to save a file means to change its name. (a) True (b) False
27. 27.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+A
28. 28.What does it mean to save a file? (a) make an exact twin (b) change its name (c) put it in another place (d) keep your work for later
29. 29.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
30. 30.🧩 Is a keyboard hardware or software? (a) hardware (b) software
31. 31.True or false: to save a file means to make a brand-new one. (a) True (b) False
32. 32.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
33. 33.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Backspace (d) Copy
34. 34.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) an input device (c) a storage device
35. 35.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+V
36. 36.💾 How many bytes are there in 1 KB?
37. 37.What does it mean to delete a file? (a) see what is inside (b) give it a new name (c) change its name (d) get rid of it
38. 38.📄 A file name ends in .png. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
39. 39.Which of these is an input device? (a) keyboard (b) hard disk (c) memory card (d) printer
40. 40.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse

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