Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 465 · 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.True or false: a paint program is hardware. (a) True (b) False
2. 2.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) save (c) move (d) rename
3. 3.🧩 Is a webcam hardware or software? (a) software (b) hardware
4. 4.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
5. 5.✋ Which can we touch: hardware or software? (a) hardware (b) software
6. 6.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
7. 7.Which of these is software? (a) a pen drive (b) a mouse (c) a webcam (d) an operating system
8. 8.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
9. 9.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) copy (c) paste (d) save
10. 10.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
11. 11.True or false: to delete a file means to throw it away. (a) True (b) False
12. 12.Which file ending is a document? (a) .avi (b) .wav (c) .gif (d) .pdf
13. 13.🧩 Is a keyboard hardware or software? (a) software (b) hardware
14. 14.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) cut (c) select all (d) print
15. 15.💾 How many MB are there in 3 GB?
16. 16.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
17. 17.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) cut (c) redo (d) save
18. 18.Which of these is an output device? (a) microphone (b) printer (c) scanner (d) hard disk
19. 19.🧩 Is a web browser hardware or software? (a) hardware (b) software
20. 20.True or false: to create a file means to put it in another place. (a) True (b) False
21. 21.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
22. 22.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a webcam (d) a web browser
23. 23.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps data when off (c) is temporary memory (d) loses data when off
24. 24.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+C
25. 25.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) a storage device (c) an input device
26. 26.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) paste (c) redo (d) print
27. 27.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
28. 28.💾 How many bits are there in 6 bytes?
29. 29.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a speaker (d) a pixel
30. 30.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
31. 31.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
32. 32.True or false: a solid-state drive is a storage device. (a) True (b) False
33. 33.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+C (d) Ctrl+X
34. 34.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) delete (c) print (d) save
35. 35.True or false: a web browser is hardware. (a) True (b) False
36. 36.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
37. 37.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
38. 38.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) select all (c) print (d) cut
39. 39.What does it mean to create a file? (a) store your work (b) make an exact twin (c) make a brand-new one (d) put it in another place
40. 40.True or false: a printer is hardware. (a) False (b) True

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