Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 611 · 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.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) select (d) print
2. 2.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+X (d) Ctrl+P
3. 3.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
4. 4.🧩 Is a speaker hardware or software? (a) hardware (b) software
5. 5.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) copy (c) rename (d) open
6. 6.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
7. 7.🧩 Is an operating system hardware or software? (a) hardware (b) software
8. 8.Which of these is a storage device? (a) solid-state drive (b) printer (c) keyboard (d) mouse
9. 9.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
10. 10.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
11. 11.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
12. 12.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+S
13. 13.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
14. 14.📁 Which word means to “make an exact twin” (for a file or folder)? (a) open (b) rename (c) delete (d) copy
15. 15.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) holds apps that are open (d) loses data when off
16. 16.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
17. 17.💾 How many MB are there in 2 GB?
18. 18.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
19. 19.Which file ending is a sound? (a) .png (b) .mkv (c) .wav (d) .pdf
20. 20.🧩 Is a computer game hardware or software? (a) hardware (b) software
21. 21.Which of these is true of RAM? (a) keeps photos for years (b) is the working memory (c) keeps your saved files (d) keeps data when off
22. 22.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
23. 23.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
24. 24.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) move (c) copy (d) open
25. 25.🔍 Which is the odd one out? (a) memory card (b) keyboard (c) solid-state drive (d) hard disk
26. 26.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) select all (c) redo (d) paste
27. 27.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
28. 28.What does it mean to copy a file? (a) give it a new name (b) make an exact twin (c) change its name (d) store your work
29. 29.✋ Which can we touch: hardware or software? (a) software (b) hardware
30. 30.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
31. 31.🧰 Is a printer a storage, input or output device? (a) an output device (b) a storage device (c) an input device
32. 32.Which of these is a storage device? (a) keyboard (b) scanner (c) printer (d) memory card
33. 33.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Z
34. 34.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
35. 35.🔍 Which is the odd one out? (a) monitor (b) solid-state drive (c) printer (d) projector
36. 36.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) save (c) print (d) select all
37. 37.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
38. 38.Which file ending is a document? (a) .mkv (b) .avi (c) .pdf (d) .mp4
39. 39.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
40. 40.💾 How many GB are there in 1 TB?

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