Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 44 · 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 word means to “change its name” (for a file or folder)? (a) open (b) rename (c) delete (d) copy
2. 2.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
3. 3.Which of these is an output device? (a) memory card (b) keyboard (c) projector (d) pen drive
4. 4.🧩 Is a monitor hardware or software? (a) software (b) hardware
5. 5.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) create (c) rename (d) delete
6. 6.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+C (d) Ctrl+P
7. 7.📁 Which word means to “put it in another place” (for a file or folder)? (a) open (b) create (c) save (d) move
8. 8.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
9. 9.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
10. 10.True or false: a mouse is software. (a) True (b) False
11. 11.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) open (c) rename (d) save
12. 12.True or false: to delete a file means to throw it away. (a) True (b) False
13. 13.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
14. 14.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
15. 15.🔍 Which is the odd one out? (a) mouse (b) microphone (c) keyboard (d) pen drive
16. 16.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
17. 17.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
18. 18.📷 A camera keeps its photos on a small ___. (a) memory card (b) mouse pad (c) speaker (d) keyboard
19. 19.True or false: a web browser is software. (a) False (b) True
20. 20.True or false: RAM keeps photos for years. (a) True (b) False
21. 21.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
22. 22.Which of these is an input device? (a) memory card (b) mouse (c) solid-state drive (d) hard disk
23. 23.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
26. 26.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Undo (d) Delete
27. 27.💾 How many bits are there in 12 bytes?
28. 28.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) holds apps that are open (c) loses data when off (d) is temporary memory
29. 29.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Undo (d) Save
30. 30.What does it mean to open a file? (a) change its name (b) put it in another place (c) throw it away (d) see what is inside
31. 31.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) print (c) undo (d) save
32. 32.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an input device (c) an output device
33. 33.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
34. 34.Which of these is software? (a) a webcam (b) a mouse (c) a keyboard (d) a word processor
35. 35.True or false: RAM keeps your saved files. (a) True (b) False
36. 36.Which of these is a storage device? (a) solid-state drive (b) keyboard (c) mouse (d) speaker
37. 37.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
38. 38.💾 How many bits are there in 9 bytes?
39. 39.Which of these is hardware? (a) a paint program (b) a scanner (c) an operating system (d) a calculator app
40. 40.True or false: a mouse is hardware. (a) False (b) True

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