Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 38 · 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 do we call people who write software? (a) farmers (b) plumbers (c) tailors (d) programmers
2. 2.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) a big file (d) an icon
3. 3.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) undo (c) save (d) copy
4. 4.🧩 Is a computer game hardware or software? (a) hardware (b) software
5. 5.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
6. 6.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
7. 7.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Copy (d) Redo
8. 8.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
9. 9.🧩 Is a web browser hardware or software? (a) hardware (b) software
10. 10.Which file ending is a picture? (a) .mkv (b) .png (c) .pdf (d) .mp4
11. 11.What does it mean to copy a file? (a) make an exact twin (b) store your work (c) give it a new name (d) keep your work for later
12. 12.🔍 Which is the odd one out? (a) a word processor (b) a computer game (c) a scanner (d) a web browser
13. 13.✋ Which can we touch: hardware or software? (a) software (b) hardware
14. 14.Which of these is software? (a) a mouse (b) a keyboard (c) a hard disk (d) a computer game
15. 15.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
16. 16.💾 How many bits are there in 3 bytes?
17. 17.💾 How many bits are there in 2 bytes?
18. 18.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
19. 19.🧩 Is a webcam hardware or software? (a) software (b) hardware
20. 20.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Copy (d) Delete
21. 21.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) is temporary memory (d) keeps your saved files
22. 22.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Cut (d) Copy
23. 23.Which of these is hardware? (a) a paint program (b) a calculator app (c) a monitor (d) a computer game
24. 24.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
25. 25.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps data when off (d) loses data when off
26. 26.Which of these is an input device? (a) scanner (b) printer (c) projector (d) speaker
27. 27.🔍 Which is the odd one out? (a) a hard disk (b) a music player app (c) a mouse (d) a scanner
28. 28.🔍 Which is the odd one out? (a) a music player app (b) a webcam (c) a web browser (d) a typing tutor
29. 29.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
30. 30.True or false: to create a file means to store your work. (a) False (b) True
31. 31.True or false: an operating system is hardware. (a) False (b) True
32. 32.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) print (c) save (d) redo
33. 33.True or false: RAM is temporary memory. (a) False (b) True
34. 34.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
35. 35.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
36. 36.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
37. 37.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
38. 38.💾 How many MB are there in 2 GB?
39. 39.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) paper storage (c) box storage (d) rain storage
40. 40.🔍 Which is the odd one out? (a) printer (b) microphone (c) mouse (d) keyboard

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