Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 324 · 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 of these is software? (a) a pen drive (b) a monitor (c) a calculator app (d) a printer
2. 2.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
3. 3.Which of these is software? (a) a speaker (b) a hard disk (c) a word processor (d) a keyboard
4. 4.💾 How many bytes are there in 4 KB?
5. 5.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) holds apps that are open (c) loses data when off (d) is temporary memory
6. 6.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
7. 7.Which file ending is a document? (a) .png (b) .mp3 (c) .txt (d) .gif
8. 8.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
9. 9.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
10. 10.True or false: Ctrl+C is the shortcut to save. (a) True (b) False
11. 11.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+S (d) Ctrl+X
12. 12.Which file ending is a video? (a) .jpg (b) .wav (c) .avi (d) .png
13. 13.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
14. 14.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
15. 15.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
16. 16.✋ Which can we touch: hardware or software? (a) hardware (b) software
17. 17.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) paste (c) print (d) save
18. 18.True or false: Ctrl+X is the shortcut to copy. (a) True (b) False
19. 19.True or false: to copy a file means to keep your work for later. (a) True (b) False
20. 20.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) save (c) delete (d) open
21. 21.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a music player app (d) a printer
22. 22.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
23. 23.Which shortcut do we press to redo? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+V
24. 24.🔍 Which is the odd one out? (a) a computer game (b) a typing tutor (c) a speaker (d) a music player app
25. 25.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
26. 26.True or false: a paint program is hardware. (a) False (b) True
27. 27.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+S (d) Ctrl+A
28. 28.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+I (d) Ctrl+F
29. 29.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an output device (c) an input device
30. 30.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
31. 31.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
32. 32.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
33. 33.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
34. 34.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
35. 35.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name
36. 36.Which file ending is a sound? (a) .mp4 (b) .gif (c) .wav (d) .png
37. 37.💾 How many bytes are there in 3 KB?
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 is the odd one out? (a) pen drive (b) hard disk (c) solid-state drive (d) projector
40. 40.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte

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