Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 510 · 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.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Delete (d) Undo
2. 2.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
3. 3.Which of these is hardware? (a) a web browser (b) a pen drive (c) an operating system (d) a calculator app
4. 4.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) is the working memory (d) keeps your saved files
5. 5.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
6. 6.True or false: a memory card is an input device. (a) False (b) True
7. 7.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+C
8. 8.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
9. 9.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
10. 10.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
11. 11.🧩 Is an operating system hardware or software? (a) hardware (b) software
12. 12.True or false: to delete a file means to change its name. (a) False (b) True
13. 13.Which file ending is a sound? (a) .mkv (b) .jpg (c) .mp3 (d) .gif
14. 14.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
15. 15.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
16. 16.True or false: a scanner is software. (a) False (b) True
17. 17.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) open (c) rename (d) save
18. 18.True or false: to move a file means to put it in another place. (a) False (b) True
19. 19.Which of these is an input device? (a) monitor (b) memory card (c) hard disk (d) mouse
20. 20.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
21. 21.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
22. 22.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) an output device (c) a storage device
23. 23.📄 A file name ends in .png. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
24. 24.💾 How many bits are there in 11 bytes?
25. 25.💾 How many bytes are there in 3 KB?
26. 26.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) select all (c) paste (d) redo
27. 27.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
28. 28.💾 How many MB are there in 2 GB?
29. 29.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
30. 30.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
31. 31.🔍 Which is the odd one out? (a) keyboard (b) speaker (c) monitor (d) projector
32. 32.🔍 Which is the odd one out? (a) a music player app (b) a monitor (c) a pen drive (d) a mouse
33. 33.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) name (d) taste
34. 34.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+X
35. 35.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
36. 36.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
37. 37.True or false: RAM keeps data when off. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a speaker (b) a hard disk (c) a pen drive (d) a typing tutor
39. 39.Which of these is hardware? (a) a hard disk (b) a typing tutor (c) a music player app (d) a computer game
40. 40.Which file ending is a document? (a) .png (b) .jpg (c) .mkv (d) .pdf

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets