Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 286 · 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.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
2. 2.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
3. 3.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
4. 4.Which file ending is a sound? (a) .avi (b) .jpg (c) .mp3 (d) .txt
5. 5.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
6. 6.🧩 Is a calculator app hardware or software? (a) hardware (b) software
7. 7.True or false: a hard disk is hardware. (a) True (b) False
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) cut (d) undo
9. 9.True or false: a pen drive is a storage device. (a) True (b) False
10. 10.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
11. 11.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
12. 12.True or false: a memory card is an output device. (a) False (b) True
13. 13.🧩 Is an operating system hardware or software? (a) hardware (b) software
14. 14.True or false: a printer is hardware. (a) False (b) True
15. 15.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
16. 16.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
17. 17.True or false: to open a file means to see what is inside. (a) False (b) True
18. 18.🧩 Is a printer hardware or software? (a) hardware (b) software
19. 19.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
20. 20.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
21. 21.True or false: a web browser is hardware. (a) True (b) False
22. 22.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) redo (c) select all (d) paste
23. 23.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) rename (c) create (d) save
24. 24.Which of these is hardware? (a) a keyboard (b) a calculator app (c) a word processor (d) a web browser
25. 25.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
26. 26.What does it mean to save a file? (a) store your work (b) make an exact twin (c) change its name (d) give it a new name
27. 27.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
28. 28.💾 How many bits are there in 10 bytes?
29. 29.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) save (d) redo
30. 30.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
31. 31.True or false: to save a file means to keep your work for later. (a) True (b) False
32. 32.True or false: a microphone is an input device. (a) True (b) False
33. 33.Which of these is true of RAM? (a) is the working memory (b) keeps your saved files (c) keeps data when off (d) is permanent storage
34. 34.💾 How many GB are there in 1 TB?
35. 35.💾 How many KB are there in 3 MB?
36. 36.🧩 Is a keyboard hardware or software? (a) software (b) hardware
37. 37.True or false: to save a file means to change its name. (a) False (b) True
38. 38.💾 How many bits are there in 1 byte?
39. 39.🧩 Is a music player app hardware or software? (a) software (b) hardware
40. 40.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False

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