Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 464 · 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 is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
2. 2.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
3. 3.True or false: RAM loses data when off. (a) False (b) True
4. 4.True or false: a printer is hardware. (a) False (b) True
5. 5.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
6. 6.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) select all (c) cut (d) undo
7. 7.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
8. 8.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
9. 9.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
10. 10.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) redo (c) print (d) copy
11. 11.🔍 Which is the odd one out? (a) a music player app (b) a word processor (c) a webcam (d) an operating system
12. 12.📁 What do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a printer (d) a big file
13. 13.Which of these is an input device? (a) printer (b) hard disk (c) microphone (d) memory card
14. 14.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) save (c) rename (d) create
15. 15.True or false: RAM is permanent storage. (a) True (b) False
16. 16.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+X
17. 17.🔍 Which is the odd one out? (a) projector (b) pen drive (c) solid-state drive (d) memory card
18. 18.True or false: Ctrl+S is the shortcut to cut. (a) True (b) False
19. 19.🧩 Is a monitor hardware or software? (a) hardware (b) software
20. 20.Which of these is hardware? (a) a web browser (b) a computer game (c) a word processor (d) a scanner
21. 21.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+Y
22. 22.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
23. 23.Which of these is hardware? (a) a typing tutor (b) an operating system (c) a music player app (d) a mouse
24. 24.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
25. 25.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Save (c) Cut (d) Undo
27. 27.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
28. 28.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
29. 29.What does it mean to save a file? (a) keep your work for later (b) make an exact twin (c) throw it away (d) put it in another place
30. 30.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
31. 31.True or false: a typing tutor is software. (a) False (b) True
32. 32.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
33. 33.True or false: to create a file means to make an exact twin. (a) False (b) True
34. 34.True or false: a paint program is hardware. (a) False (b) True
35. 35.💾 How many MB are there in 1 GB?
36. 36.What does it mean to rename a file? (a) get rid of it (b) give it a new name (c) store your work (d) make an exact twin
37. 37.True or false: a solid-state drive is an output device. (a) False (b) True
38. 38.True or false: Ctrl+S is the shortcut to select all. (a) False (b) True
39. 39.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
40. 40.True or false: a scanner is hardware. (a) False (b) True

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