Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 725 · 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 of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) keeps photos for years (d) is the working memory
2. 2.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
3. 3.Which of these is an output device? (a) scanner (b) memory card (c) mouse (d) projector
4. 4.Which file ending is a document? (a) .gif (b) .png (c) .mp4 (d) .txt
5. 5.🧩 Is a keyboard hardware or software? (a) software (b) hardware
6. 6.True or false: a keyboard is software. (a) False (b) True
7. 7.📁 Which word means to “make an exact twin” (for a file or folder)? (a) open (b) move (c) save (d) copy
8. 8.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) rename (c) open (d) move
9. 9.True or false: a pen drive is an output device. (a) False (b) True
10. 10.True or false: RAM holds apps that are open. (a) False (b) True
11. 11.🧩 Is a mouse hardware or software? (a) hardware (b) software
12. 12.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) cut (c) paste (d) print
13. 13.Which of these is software? (a) a scanner (b) a pen drive (c) a printer (d) a calculator app
14. 14.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) print (c) copy (d) cut
15. 15.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+S
16. 16.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+A (d) Ctrl+S
17. 17.True or false: a scanner is an input device. (a) True (b) False
18. 18.⚡ Which is faster for the computer to work with? (a) RAM (b) a memory card (c) a printer (d) a pen drive
19. 19.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
20. 20.Which of these is an input device? (a) memory card (b) monitor (c) mouse (d) hard disk
21. 21.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
22. 22.Which of these is hardware? (a) an operating system (b) a music player app (c) a hard disk (d) a calculator app
23. 23.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
24. 24.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
25. 25.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
26. 26.🔍 Which is the odd one out? (a) a typing tutor (b) a mouse (c) a word processor (d) a computer game
27. 27.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
28. 28.What does it mean to delete a file? (a) give it a new name (b) make a brand-new one (c) get rid of it (d) change its name
29. 29.🔍 Which is the odd one out? (a) microphone (b) scanner (c) keyboard (d) projector
30. 30.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
31. 31.Which of these is hardware? (a) a typing tutor (b) a keyboard (c) a paint program (d) a web browser
32. 32.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
33. 33.Which of these is software? (a) a monitor (b) a hard disk (c) a keyboard (d) a paint program
34. 34.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
35. 35.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) is the working memory (d) is permanent storage
36. 36.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) an operating system (d) a printer
37. 37.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
38. 38.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) rename (c) save (d) delete
39. 39.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Copy (d) Undo
40. 40.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document

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