Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 472 · 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 printer is an input device. (a) True (b) False
2. 2.📁 Which word means to “keep your work for later” (for a file or folder)? (a) copy (b) save (c) open (d) create
3. 3.True or false: a printer is an output device. (a) False (b) True
4. 4.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
5. 5.💾 How many bits are there in 2 bytes?
6. 6.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+C (d) Ctrl+A
7. 7.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
8. 8.🔍 Which is the odd one out? (a) a computer game (b) a paint program (c) a speaker (d) a word processor
9. 9.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) redo (c) cut (d) save
10. 10.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) screws (d) wires
11. 11.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
12. 12.🔍 Which is the odd one out? (a) a music player app (b) a pen drive (c) a computer game (d) a web browser
13. 13.Which of these is an output device? (a) keyboard (b) pen drive (c) memory card (d) speaker
14. 14.🧩 Is a mouse hardware or software? (a) software (b) hardware
15. 15.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
16. 16.💾 How many bytes are there in 1 KB?
17. 17.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) is permanent storage (d) loses data when off
18. 18.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
19. 19.Which of these is software? (a) a speaker (b) a scanner (c) a hard disk (d) a paint program
20. 20.What does it mean to delete a file? (a) get rid of it (b) change its name (c) see what is inside (d) give it a new name
21. 21.True or false: a pen drive is an input device. (a) False (b) True
22. 22.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
23. 23.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
24. 24.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is the working memory (c) keeps your saved files (d) is temporary memory
25. 25.🔍 Which is the odd one out? (a) a monitor (b) a paint program (c) a pen drive (d) a scanner
26. 26.Which of these is software? (a) a mouse (b) a music player app (c) a keyboard (d) a monitor
27. 27.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
28. 28.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
29. 29.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) print (c) paste (d) select all
30. 30.True or false: to rename a file means to throw it away. (a) True (b) False
31. 31.True or false: a word processor is hardware. (a) False (b) True
32. 32.What does it mean to save a file? (a) give it a new name (b) get rid of it (c) store your work (d) make an exact twin
33. 33.True or false: a printer is hardware. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a word processor (b) an operating system (c) a music player app (d) a hard disk
35. 35.💾 How many GB are there in 1 TB?
36. 36.Which of these is true of RAM? (a) is the working memory (b) is permanent storage (c) keeps your saved files (d) keeps photos for years
37. 37.Which of these is hardware? (a) a paint program (b) a music player app (c) a mouse (d) an operating system
38. 38.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False
39. 39.Which file ending is a document? (a) .mkv (b) .jpg (c) .txt (d) .wav
40. 40.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5

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