Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 233 · 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) move (d) delete
2. 2.True or false: RAM holds apps that are open. (a) False (b) True
3. 3.✋ Which can we touch: hardware or software? (a) hardware (b) software
4. 4.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Backspace (d) Copy
5. 5.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) select all (c) cut (d) paste
6. 6.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+A (d) Ctrl+C
7. 7.🧩 Is a webcam hardware or software? (a) software (b) hardware
8. 8.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
9. 9.Which of these is hardware? (a) a computer game (b) a paint program (c) a printer (d) a web browser
10. 10.🧩 Is a pen drive hardware or software? (a) software (b) hardware
11. 11.Which of these is an input device? (a) hard disk (b) speaker (c) microphone (d) pen drive
12. 12.True or false: a speaker is software. (a) False (b) True
13. 13.📁 Which word means to “make an exact twin” (for a file or folder)? (a) move (b) open (c) delete (d) copy
14. 14.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
15. 15.Which file ending is a video? (a) .jpg (b) .gif (c) .png (d) .mp4
16. 16.🔍 Which is the odd one out? (a) a scanner (b) an operating system (c) a computer game (d) a paint program
17. 17.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
18. 18.💾 How many KB are there in 4 MB?
19. 19.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
20. 20.🧩 Is an operating system hardware or software? (a) software (b) hardware
21. 21.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a monitor (d) a web browser
22. 22.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+V
23. 23.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
24. 24.True or false: to delete a file means to see what is inside. (a) False (b) True
25. 25.What does it mean to delete a file? (a) keep your work for later (b) see what is inside (c) change its name (d) get rid of it
26. 26.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
27. 27.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) rename (b) move (c) create (d) save
28. 28.Which of these is hardware? (a) a pen drive (b) an operating system (c) a music player app (d) a calculator app
29. 29.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
30. 30.True or false: Ctrl+A is the shortcut to cut. (a) False (b) True
31. 31.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+C
32. 32.🧩 Is a paint program hardware or software? (a) hardware (b) software
33. 33.True or false: a webcam is hardware. (a) False (b) True
34. 34.Which of these is software? (a) a typing tutor (b) a printer (c) a keyboard (d) a speaker
35. 35.Which of these is software? (a) a calculator app (b) a keyboard (c) a mouse (d) a pen drive
36. 36.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
37. 37.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
38. 38.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) cloud storage (c) paper storage (d) rain storage
39. 39.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a monitor (d) a word processor
40. 40.True or false: a projector is an output device. (a) True (b) False

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