Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 658 · 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 shortcut do we press to save? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
2. 2.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
3. 3.Which of these is software? (a) a keyboard (b) a monitor (c) a printer (d) a calculator app
4. 4.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
5. 5.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Redo (c) Cut (d) Copy
6. 6.📁 Which word means to “get rid of it” (for a file or folder)? (a) rename (b) delete (c) create (d) save
7. 7.🧩 Is a web browser hardware or software? (a) hardware (b) software
8. 8.Which file ending is a sound? (a) .wav (b) .txt (c) .mkv (d) .pdf
9. 9.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
10. 10.🔍 Which is the odd one out? (a) a calculator app (b) an operating system (c) a music player app (d) a webcam
11. 11.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
12. 12.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
13. 13.Which of these is software? (a) a hard disk (b) a pen drive (c) a music player app (d) a webcam
14. 14.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
15. 15.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) buttons (d) wires
16. 16.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
17. 17.What does it mean to move a file? (a) get rid of it (b) put it in another place (c) keep your work for later (d) store your work
18. 18.True or false: Ctrl+S is the shortcut to paste. (a) True (b) False
19. 19.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
20. 20.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+A
21. 21.🔍 Which is the odd one out? (a) keyboard (b) hard disk (c) memory card (d) pen drive
22. 22.True or false: Ctrl+X is the shortcut to copy. (a) True (b) False
23. 23.True or false: a mouse is an input device. (a) False (b) True
24. 24.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
25. 25.Which of these is hardware? (a) a printer (b) a music player app (c) a typing tutor (d) a web browser
26. 26.True or false: to create a file means to make a brand-new one. (a) True (b) False
27. 27.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
28. 28.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
29. 29.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) print (d) cut
30. 30.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) delete (c) save (d) create
31. 31.Which of these is true of RAM? (a) keeps photos for years (b) is temporary memory (c) keeps your saved files (d) keeps data when off
32. 32.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps your saved files (d) loses data when off
33. 33.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) copy (c) save (d) cut
34. 34.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
35. 35.🧩 Is a monitor hardware or software? (a) hardware (b) software
36. 36.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) smell (d) taste
37. 37.True or false: a printer is hardware. (a) False (b) True
38. 38.💾 How many bytes are there in 2 KB?
39. 39.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
40. 40.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video

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