Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 474 · 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) is permanent storage (b) keeps your saved files (c) is the working memory (d) keeps data when off
2. 2.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
3. 3.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+Z
4. 4.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) paste (c) cut (d) undo
5. 5.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
6. 6.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
7. 7.Which of these is an input device? (a) memory card (b) microphone (c) solid-state drive (d) monitor
8. 8.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
9. 9.🧩 Is a scanner hardware or software? (a) hardware (b) software
10. 10.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) an icon (d) a big file
11. 11.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) create (c) copy (d) rename
12. 12.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
13. 13.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) undo (c) select all (d) copy
14. 14.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+F (d) Ctrl+I
15. 15.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+C (d) Ctrl+X
16. 16.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
17. 17.True or false: a mouse is software. (a) True (b) False
18. 18.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) keeps data when off
19. 19.Which of these is hardware? (a) a typing tutor (b) a hard disk (c) a calculator app (d) a paint program
20. 20.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) move (c) rename (d) open
21. 21.True or false: Ctrl+Y is the shortcut to copy. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) memory card (b) scanner (c) solid-state drive (d) hard disk
23. 23.What does it mean to open a file? (a) throw it away (b) change its name (c) make an exact twin (d) see what is inside
24. 24.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) rename (c) delete (d) create
25. 25.💾 How many bits are there in 6 bytes?
26. 26.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
27. 27.Which of these is a storage device? (a) keyboard (b) pen drive (c) microphone (d) scanner
28. 28.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
29. 29.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) paper storage (d) box storage
30. 30.💾 How many KB are there in 1 MB?
31. 31.Which file ending is a sound? (a) .mp4 (b) .png (c) .mp3 (d) .mkv
32. 32.✋ Which can we touch: hardware or software? (a) hardware (b) software
33. 33.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
34. 34.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
35. 35.What does it mean to rename a file? (a) change its name (b) see what is inside (c) put it in another place (d) make an exact twin
36. 36.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) RAM (d) the pen drive
37. 37.True or false: a speaker is software. (a) True (b) False
38. 38.Which of these is hardware? (a) a web browser (b) an operating system (c) a keyboard (d) a paint program
39. 39.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
40. 40.True or false: Ctrl+Y is the shortcut to print. (a) False (b) True

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