Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 733 · 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 is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
2. 2.True or false: to rename a file means to put it in another place. (a) True (b) False
3. 3.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
4. 4.🧩 Is a music player app hardware or software? (a) hardware (b) software
5. 5.True or false: an operating system is software. (a) False (b) True
6. 6.True or false: Ctrl+V is the shortcut to save. (a) True (b) False
7. 7.What does it mean to copy a file? (a) give it a new name (b) make an exact twin (c) store your work (d) see what is inside
8. 8.💾 How many KB are there in 4 MB?
9. 9.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) create (c) move (d) open
10. 10.What does it mean to move a file? (a) put it in another place (b) see what is inside (c) throw it away (d) get rid of it
11. 11.🧩 Is a speaker hardware or software? (a) hardware (b) software
12. 12.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) redo (c) print (d) cut
13. 13.Which of these is hardware? (a) a calculator app (b) a paint program (c) a music player app (d) a monitor
14. 14.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a mouse (d) a speaker
15. 15.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
16. 16.💾 How many bytes are there in 4 KB?
17. 17.True or false: to open a file means to change its name. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a word processor (b) a printer (c) a hard disk (d) a keyboard
19. 19.True or false: a typing tutor is hardware. (a) False (b) True
20. 20.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps data when off (d) is temporary memory
21. 21.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the memory card (c) RAM (d) the hard disk
22. 22.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Y
23. 23.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
24. 24.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
25. 25.Which of these is hardware? (a) a computer game (b) a typing tutor (c) a paint program (d) a mouse
26. 26.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
27. 27.True or false: a hard disk is an input device. (a) True (b) False
28. 28.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) rename (c) copy (d) save
29. 29.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) cloud storage (c) box storage (d) paper storage
30. 30.True or false: a memory card is a storage device. (a) True (b) False
31. 31.What does it mean to delete a file? (a) keep your work for later (b) give it a new name (c) put it in another place (d) get rid of it
32. 32.True or false: a keyboard is software. (a) True (b) False
33. 33.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
34. 34.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Redo (c) Cut (d) Delete
35. 35.🧩 Is a computer game hardware or software? (a) hardware (b) software
36. 36.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
37. 37.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
38. 38.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
39. 39.Which of these is an output device? (a) memory card (b) hard disk (c) speaker (d) mouse
40. 40.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Print (c) Undo (d) Cut

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