Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 719 · 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 speaker is an input device. (a) True (b) False
2. 2.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
3. 3.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
4. 4.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
5. 5.🔍 Which is the odd one out? (a) a web browser (b) a word processor (c) a music player app (d) a speaker
6. 6.🔍 Which is the odd one out? (a) speaker (b) monitor (c) projector (d) hard disk
7. 7.True or false: a scanner is an output device. (a) False (b) True
8. 8.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a speaker (d) a mouse
9. 9.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+P
10. 10.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+A
11. 11.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
12. 12.Which of these is software? (a) a music player app (b) a speaker (c) a webcam (d) a scanner
13. 13.Which file ending is a sound? (a) .avi (b) .png (c) .mp3 (d) .txt
14. 14.✋ Which can we touch: hardware or software? (a) software (b) hardware
15. 15.Which of these is software? (a) a hard disk (b) a mouse (c) a pen drive (d) a web browser
16. 16.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+C (d) Ctrl+P
17. 17.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
18. 18.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
19. 19.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) print (c) redo (d) paste
20. 20.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) redo (c) paste (d) cut
21. 21.🔍 Which is the odd one out? (a) a pen drive (b) a printer (c) a paint program (d) a mouse
22. 22.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
23. 23.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) holds apps that are open (d) keeps your saved files
24. 24.Which of these is true of RAM? (a) keeps data when off (b) is temporary memory (c) keeps photos for years (d) keeps your saved files
25. 25.What does it mean to copy a file? (a) see what is inside (b) throw it away (c) make a brand-new one (d) make an exact twin
26. 26.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
27. 27.🔍 Which is the odd one out? (a) a monitor (b) a pen drive (c) a music player app (d) a scanner
28. 28.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
29. 29.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
30. 30.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) select all (d) save
31. 31.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
32. 32.True or false: a memory card is an input device. (a) False (b) True
33. 33.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
34. 34.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
35. 35.🧩 Is a music player app hardware or software? (a) hardware (b) software
36. 36.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
37. 37.True or false: to save a file means to store your work. (a) True (b) False
38. 38.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
39. 39.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
40. 40.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) paste (c) copy (d) print

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