Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 701 · 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 one is the working memory: RAM or storage? (a) storage (b) RAM
2. 2.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Z
3. 3.Which file ending is a picture? (a) .mp4 (b) .jpg (c) .mp3 (d) .txt
4. 4.💾 How many bits are there in 1 byte?
5. 5.What does it mean to save a file? (a) see what is inside (b) store your work (c) give it a new name (d) change its name
6. 6.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
7. 7.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
8. 8.🧩 Is a monitor hardware or software? (a) software (b) hardware
9. 9.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
10. 10.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+C (d) Ctrl+V
11. 11.What does it mean to move a file? (a) put it in another place (b) see what is inside (c) keep your work for later (d) change its name
12. 12.📄 A file name ends in .png. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
13. 13.💾 How many KB are there in 2 MB?
14. 14.🧩 Is a web browser hardware or software? (a) hardware (b) software
15. 15.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
16. 16.True or false: a calculator app is software. (a) True (b) False
17. 17.What does it mean to open a file? (a) make an exact twin (b) see what is inside (c) keep your work for later (d) change its name
18. 18.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
19. 19.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
20. 20.Which file ending is a sound? (a) .pdf (b) .png (c) .jpg (d) .mp3
21. 21.🔍 Which is the odd one out? (a) a calculator app (b) a pen drive (c) a word processor (d) a web browser
22. 22.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
23. 23.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) copy (c) delete (d) move
24. 24.💾 How many KB are there in 3 MB?
25. 25.🧩 Is a computer game hardware or software? (a) software (b) hardware
26. 26.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
27. 27.🔍 Which is the odd one out? (a) speaker (b) hard disk (c) monitor (d) printer
28. 28.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
29. 29.Which file ending is a picture? (a) .pdf (b) .avi (c) .txt (d) .png
30. 30.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) holds apps that are open (d) keeps your saved files
31. 31.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
32. 32.True or false: a printer is software. (a) True (b) False
33. 33.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an output device (c) an input device
34. 34.True or false: Ctrl+Z is the shortcut to redo. (a) False (b) True
35. 35.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
36. 36.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a music player app (d) a paint program
37. 37.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
38. 38.True or false: a webcam is software. (a) True (b) False
39. 39.True or false: to create a file means to keep your work for later. (a) True (b) False
40. 40.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Print (c) Undo (d) Cut

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