Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 134 · 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.🧩 Is an operating system hardware or software? (a) software (b) hardware
2. 2.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) create (c) rename (d) save
3. 3.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
4. 4.🧩 Is a keyboard hardware or software? (a) hardware (b) software
5. 5.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
6. 6.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
7. 7.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) redo (c) print (d) select all
8. 8.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
9. 9.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Save (d) Cut
10. 10.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
11. 11.Which of these is a storage device? (a) printer (b) projector (c) hard disk (d) scanner
12. 12.🔍 Which is the odd one out? (a) a webcam (b) a monitor (c) a word processor (d) a scanner
13. 13.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
14. 14.🔍 Which is the odd one out? (a) a word processor (b) a paint program (c) a scanner (d) an operating system
15. 15.True or false: a typing tutor is software. (a) True (b) False
16. 16.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) cloud storage (c) box storage (d) rain storage
17. 17.What does it mean to delete a file? (a) throw it away (b) give it a new name (c) change its name (d) store your work
18. 18.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
19. 19.🧩 Is a computer game hardware or software? (a) software (b) hardware
20. 20.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an output device (c) an input device
21. 21.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) cut (c) copy (d) redo
22. 22.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
23. 23.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
24. 24.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
25. 25.Which of these is hardware? (a) a music player app (b) a mouse (c) a word processor (d) a web browser
26. 26.Which file ending is a document? (a) .avi (b) .txt (c) .gif (d) .jpg
27. 27.🔍 Which is the odd one out? (a) a music player app (b) a typing tutor (c) a calculator app (d) a monitor
28. 28.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) copy (c) delete (d) move
29. 29.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) paste (c) select all (d) cut
30. 30.💾 How many bytes are there in 2 KB?
31. 31.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
32. 32.💾 How many bits are there in 11 bytes?
33. 33.True or false: to open a file means to see what is inside. (a) True (b) False
34. 34.Which file ending is a document? (a) .png (b) .pdf (c) .gif (d) .mp4
35. 35.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
36. 36.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
37. 37.What does it mean to rename a file? (a) store your work (b) keep your work for later (c) give it a new name (d) make an exact twin
38. 38.🧩 Is a speaker hardware or software? (a) software (b) hardware
39. 39.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) holds apps that are open (c) keeps data when off (d) is temporary memory
40. 40.Which of these is hardware? (a) a typing tutor (b) a music player app (c) a word processor (d) a printer

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