Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 82 · 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.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) copy (c) undo (d) print
2. 2.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
3. 3.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
4. 4.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
5. 5.🧩 Is a word processor hardware or software? (a) hardware (b) software
6. 6.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
7. 7.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
8. 8.🧩 Is a mouse hardware or software? (a) software (b) hardware
9. 9.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
10. 10.Which of these is hardware? (a) a paint program (b) a calculator app (c) a scanner (d) a music player app
11. 11.Which of these is an input device? (a) printer (b) keyboard (c) memory card (d) hard disk
12. 12.💾 How many bytes are there in 3 KB?
13. 13.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) paste (c) undo (d) print
14. 14.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) cut (c) print (d) paste
15. 15.Which of these is software? (a) a pen drive (b) a printer (c) a mouse (d) a word processor
16. 16.💾 How many bytes are there in 1 KB?
17. 17.Which of these is an output device? (a) pen drive (b) hard disk (c) speaker (d) mouse
18. 18.👩‍💻 What do we call people who write software? (a) farmers (b) plumbers (c) programmers (d) tailors
19. 19.True or false: an operating system is software. (a) False (b) True
20. 20.Which file ending is a video? (a) .wav (b) .png (c) .mp4 (d) .pdf
21. 21.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) print (d) select
22. 22.🧩 Is an operating system hardware or software? (a) hardware (b) software
23. 23.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
24. 24.Which of these is hardware? (a) a music player app (b) a monitor (c) a word processor (d) a web browser
25. 25.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) holds apps that are open (c) is temporary memory (d) is permanent storage
26. 26.🧩 Is a monitor hardware or software? (a) software (b) hardware
27. 27.Which of these is hardware? (a) an operating system (b) a music player app (c) a mouse (d) a typing tutor
28. 28.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps photos for years (c) loses data when off (d) holds apps that are open
29. 29.💾 How many MB are there in 1 GB?
30. 30.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) delete (c) move (d) rename
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
33. 33.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
34. 34.Which of these is hardware? (a) a typing tutor (b) a web browser (c) a pen drive (d) a paint program
35. 35.🔍 Which is the odd one out? (a) a keyboard (b) a web browser (c) a music player app (d) a calculator app
36. 36.What does it mean to create a file? (a) get rid of it (b) keep your work for later (c) put it in another place (d) make a brand-new one
37. 37.🧩 Is a printer hardware or software? (a) software (b) hardware
38. 38.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a scanner (d) a typing tutor
39. 39.🔍 Which is the odd one out? (a) hard disk (b) keyboard (c) pen drive (d) solid-state drive
40. 40.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM

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