Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 585 · 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.What does it mean to copy a file? (a) change its name (b) make an exact twin (c) put it in another place (d) see what is inside
2. 2.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
3. 3.🧩 Is a speaker hardware or software? (a) hardware (b) software
4. 4.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
5. 5.True or false: a mouse is a storage device. (a) False (b) True
6. 6.💾 How many GB are there in 2 TB?
7. 7.🧩 Is a printer hardware or software? (a) software (b) hardware
8. 8.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+A
9. 9.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
10. 10.Which of these is true of RAM? (a) loses data when off (b) keeps photos for years (c) keeps data when off (d) is permanent storage
11. 11.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse
12. 12.True or false: a word processor is hardware. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) redo (c) print (d) paste
14. 14.True or false: a printer is hardware. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) printer (b) speaker (c) monitor (d) memory card
16. 16.True or false: a calculator app is software. (a) False (b) True
17. 17.What does it mean to open a file? (a) see what is inside (b) make a brand-new one (c) make an exact twin (d) change its name
18. 18.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
19. 19.🔍 Which is the odd one out? (a) a hard disk (b) a paint program (c) a speaker (d) a scanner
20. 20.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) rename (c) open (d) save
21. 21.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
22. 22.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
23. 23.💾 How many bits are there in 12 bytes?
24. 24.🧰 Is a mouse a storage, input or output device? (a) an output device (b) an input device (c) a storage device
25. 25.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
26. 26.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
27. 27.True or false: a mouse is hardware. (a) True (b) False
28. 28.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
29. 29.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+C (d) Ctrl+A
30. 30.True or false: a speaker is software. (a) False (b) True
31. 31.▌ What is the blinking line that shows where you will type? (a) the icon (b) the toolbar (c) the cursor (d) the folder
32. 32.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
33. 33.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
34. 34.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) save (c) delete (d) create
35. 35.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) type and edit text (d) water plants
36. 36.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
37. 37.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
38. 38.🔍 Which is the odd one out? (a) projector (b) monitor (c) printer (d) microphone
39. 39.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
40. 40.💾 How many bits are there in 10 bytes?

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