Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 410 · 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 GB or 1 KB? (a) 1 GB (b) 1 KB
2. 2.Which of these is software? (a) a keyboard (b) a monitor (c) a music player app (d) a webcam
3. 3.True or false: to rename a file means to give it a new name. (a) True (b) False
4. 4.Which of these is hardware? (a) a word processor (b) a paint program (c) a monitor (d) a music player app
5. 5.🧩 Is a calculator app hardware or software? (a) software (b) hardware
6. 6.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) plumbers (d) tailors
7. 7.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
8. 8.💾 How many bits are there in 12 bytes?
9. 9.Which of these is a storage device? (a) printer (b) keyboard (c) mouse (d) hard disk
10. 10.🔍 Which is the odd one out? (a) a music player app (b) an operating system (c) a pen drive (d) a calculator app
11. 11.🔍 Which is the odd one out? (a) monitor (b) projector (c) printer (d) solid-state drive
12. 12.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
13. 13.True or false: a web browser is hardware. (a) True (b) False
14. 14.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Undo (d) Copy
15. 15.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
16. 16.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+C
17. 17.What does it mean to move a file? (a) put it in another place (b) change its name (c) throw it away (d) store your work
18. 18.True or false: Ctrl+X is the shortcut to select all. (a) True (b) False
19. 19.🧩 Is an operating system hardware or software? (a) hardware (b) software
20. 20.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
21. 21.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
22. 22.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) delete (c) rename (d) save
23. 23.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
24. 24.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
25. 25.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
26. 26.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a memory card (d) a pen drive
27. 27.🧩 Is a printer hardware or software? (a) software (b) hardware
28. 28.🔍 Which is the odd one out? (a) a speaker (b) a scanner (c) a word processor (d) a keyboard
29. 29.🔍 Which is the odd one out? (a) a monitor (b) a webcam (c) a keyboard (d) a paint program
30. 30.📄 What does a word processor help us do? (a) cook food (b) type and edit text (c) water plants (d) fly a kite
31. 31.🔍 Which is the odd one out? (a) projector (b) pen drive (c) speaker (d) printer
32. 32.💾 How many KB are there in 4 MB?
33. 33.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
34. 34.True or false: RAM keeps data when off. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a monitor (b) a pen drive (c) a calculator app (d) a mouse
36. 36.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
37. 37.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) save (c) rename (d) open
38. 38.Which file ending is a document? (a) .pdf (b) .gif (c) .jpg (d) .png
39. 39.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
40. 40.Which file ending is a picture? (a) .txt (b) .wav (c) .avi (d) .png

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