Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 785 · 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 true of RAM? (a) keeps data when off (b) keeps photos for years (c) is permanent storage (d) holds apps that are open
2. 2.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
3. 3.True or false: to save a file means to make an exact twin. (a) False (b) True
4. 4.🧩 Is a computer game hardware or software? (a) software (b) hardware
5. 5.💾 How many bytes are there in 2 KB?
6. 6.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
7. 7.🧩 Is a web browser hardware or software? (a) hardware (b) software
8. 8.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Cut (d) Copy
9. 9.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
10. 10.Which file ending is a video? (a) .mp3 (b) .jpg (c) .txt (d) .mp4
11. 11.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) is temporary memory (d) loses data when off
12. 12.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
13. 13.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
14. 14.Which of these is an input device? (a) solid-state drive (b) memory card (c) microphone (d) hard disk
15. 15.📁 Which word means to “get rid of it” (for a file or folder)? (a) create (b) rename (c) copy (d) delete
16. 16.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
17. 17.Which of these is software? (a) a scanner (b) a web browser (c) a keyboard (d) a hard disk
18. 18.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an input device (c) an output device
19. 19.Which of these is an input device? (a) keyboard (b) solid-state drive (c) hard disk (d) monitor
20. 20.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
21. 21.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+X (d) Ctrl+S
22. 22.True or false: Ctrl+V is the shortcut to print. (a) True (b) False
23. 23.Which file ending is a picture? (a) .pdf (b) .avi (c) .png (d) .txt
24. 24.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) delete (c) rename (d) open
25. 25.📁 Which word means to “give it a new name” (for a file or folder)? (a) create (b) rename (c) copy (d) open
26. 26.💾 How many bits are there in 8 bytes?
27. 27.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
28. 28.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) a storage device (c) an input device
29. 29.True or false: RAM loses data when off. (a) False (b) True
30. 30.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) undo (c) select all (d) save
31. 31.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
32. 32.Which shortcut do we press to select all? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+X
33. 33.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) buttons (d) wires
34. 34.What does it mean to create a file? (a) make a brand-new one (b) put it in another place (c) keep your work for later (d) see what is inside
35. 35.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
36. 36.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) delete (d) select
37. 37.🔍 Which is the odd one out? (a) microphone (b) scanner (c) memory card (d) keyboard
38. 38.What does it mean to delete a file? (a) keep your work for later (b) get rid of it (c) make a brand-new one (d) store your work
39. 39.What does it mean to copy a file? (a) put it in another place (b) store your work (c) make an exact twin (d) make a brand-new one
40. 40.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers

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