Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 998 · 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 software? (a) a speaker (b) a calculator app (c) a monitor (d) a pen drive
2. 2.🧩 Is a speaker hardware or software? (a) hardware (b) software
3. 3.True or false: to save a file means to put it in another place. (a) False (b) True
4. 4.Which file ending is a sound? (a) .mp4 (b) .mkv (c) .mp3 (d) .avi
5. 5.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
6. 6.🔍 Which is the odd one out? (a) a pen drive (b) a hard disk (c) a scanner (d) a calculator app
7. 7.🔍 Which is the odd one out? (a) a typing tutor (b) a pen drive (c) a calculator app (d) a web browser
8. 8.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Delete (d) Undo
9. 9.Which file ending is a video? (a) .png (b) .wav (c) .pdf (d) .avi
10. 10.True or false: a paint program is hardware. (a) False (b) True
11. 11.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a pen drive (d) a printer
12. 12.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
13. 13.True or false: Ctrl+Z is the shortcut to select all. (a) True (b) False
14. 14.Which file ending is a document? (a) .txt (b) .jpg (c) .avi (d) .mkv
15. 15.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) loses data when off (d) keeps your saved files
16. 16.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) box storage (d) paper storage
17. 17.🔍 Which is the odd one out? (a) a speaker (b) a web browser (c) a typing tutor (d) a word processor
18. 18.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
19. 19.🧩 Is an operating system hardware or software? (a) software (b) hardware
20. 20.💾 How many bits are there in 5 bytes?
21. 21.💾 How many KB are there in 2 MB?
22. 22.🧩 Is a hard disk hardware or software? (a) software (b) hardware
23. 23.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
24. 24.What does it mean to copy a file? (a) make a brand-new one (b) throw it away (c) change its name (d) make an exact twin
25. 25.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an input device (c) an output device
26. 26.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
27. 27.True or false: a monitor is software. (a) True (b) False
28. 28.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) delete (c) copy (d) rename
29. 29.True or false: to save a file means to keep your work for later. (a) False (b) True
30. 30.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) loses data when off (d) is temporary memory
31. 31.Which file ending is a picture? (a) .gif (b) .mp4 (c) .txt (d) .mp3
32. 32.💾 How many MB are there in 2 GB?
33. 33.Which of these is hardware? (a) a web browser (b) a word processor (c) a speaker (d) a paint program
34. 34.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
35. 35.💾 How many bits are there in 7 bytes?
36. 36.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) paste (c) undo (d) redo
38. 38.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
39. 39.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
40. 40.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) buttons (d) instructions

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