Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 572 · 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: to create a file means to give it a new name. (a) False (b) True
2. 2.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
3. 3.💾 How many KB are there in 1 MB?
4. 4.True or false: RAM keeps photos for years. (a) True (b) False
5. 5.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) a printer (d) an icon
6. 6.Which file ending is a picture? (a) .jpg (b) .mp4 (c) .txt (d) .mp3
7. 7.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) byte (d) GB
8. 8.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
9. 9.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
10. 10.💾 How many GB are there in 2 TB?
11. 11.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) cloud storage (d) rain storage
12. 12.💾 How many KB are there in 4 MB?
13. 13.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
14. 14.Which of these is true of RAM? (a) keeps your saved files (b) is the working memory (c) keeps photos for years (d) is permanent storage
15. 15.Which of these is software? (a) a mouse (b) a pen drive (c) a web browser (d) a webcam
16. 16.🔍 Which is the odd one out? (a) a computer game (b) a paint program (c) a music player app (d) a hard disk
17. 17.True or false: a monitor is hardware. (a) False (b) True
18. 18.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
19. 19.What does it mean to move a file? (a) give it a new name (b) change its name (c) make a brand-new one (d) put it in another place
20. 20.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
21. 21.What does it mean to rename a file? (a) change its name (b) store your work (c) make an exact twin (d) throw it away
22. 22.True or false: RAM keeps your saved files. (a) True (b) False
23. 23.Which file ending is a picture? (a) .mp4 (b) .avi (c) .txt (d) .gif
24. 24.Which of these is hardware? (a) an operating system (b) a music player app (c) a typing tutor (d) a mouse
25. 25.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
26. 26.True or false: a music player app is software. (a) False (b) True
27. 27.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) select all (c) print (d) redo
28. 28.🧩 Is a word processor hardware or software? (a) software (b) hardware
29. 29.Which of these is a storage device? (a) scanner (b) microphone (c) hard disk (d) keyboard
30. 30.What does it mean to copy a file? (a) store your work (b) make an exact twin (c) change its name (d) keep your work for later
31. 31.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
32. 32.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
33. 33.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
34. 34.🧩 Is a keyboard hardware or software? (a) software (b) hardware
35. 35.Which file ending is a sound? (a) .wav (b) .mp4 (c) .mkv (d) .jpg
36. 36.Which file ending is a document? (a) .wav (b) .mp3 (c) .gif (d) .pdf
37. 37.True or false: to delete a file means to give it a new name. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) a speaker (b) a paint program (c) a hard disk (d) a webcam
39. 39.Which of these is an output device? (a) printer (b) keyboard (c) microphone (d) memory card
40. 40.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture

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