Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 937 · 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.True or false: an operating system is software. (a) False (b) True
2. 2.True or false: a monitor is an output device. (a) True (b) False
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) print (c) paste (d) copy
4. 4.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
6. 6.True or false: a calculator app is hardware. (a) False (b) True
7. 7.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
8. 8.Which file ending is a sound? (a) .avi (b) .jpg (c) .png (d) .mp3
9. 9.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) a big file (d) an icon
10. 10.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
11. 11.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) undo (c) select all (d) cut
12. 12.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a webcam (d) a paint program
13. 13.Which file ending is a video? (a) .png (b) .mp3 (c) .wav (d) .avi
14. 14.💾 How many bits are there in 1 byte?
15. 15.True or false: to delete a file means to give it a new name. (a) True (b) False
16. 16.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
17. 17.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) open (c) move (d) rename
18. 18.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
19. 19.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
20. 20.Which of these is a storage device? (a) mouse (b) speaker (c) memory card (d) projector
21. 21.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
22. 22.Which file ending is a document? (a) .txt (b) .jpg (c) .gif (d) .mp3
23. 23.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) save (c) move (d) rename
24. 24.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) select all (c) print (d) copy
25. 25.True or false: a speaker is software. (a) True (b) False
26. 26.🧩 Is a speaker hardware or software? (a) software (b) hardware
27. 27.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
28. 28.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
29. 29.True or false: a mouse is software. (a) True (b) False
30. 30.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
31. 31.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) a printer (d) RAM
32. 32.🔍 Which is the odd one out? (a) a webcam (b) a paint program (c) an operating system (d) a calculator app
33. 33.🔍 Which is the odd one out? (a) a pen drive (b) a web browser (c) a keyboard (d) a speaker
34. 34.True or false: a paint program is software. (a) False (b) True
35. 35.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) keeps data when off (d) is temporary memory
36. 36.True or false: a web browser is software. (a) True (b) False
37. 37.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps photos for years (d) holds apps that are open
38. 38.Which of these is hardware? (a) a computer game (b) a web browser (c) a hard disk (d) a word processor
39. 39.True or false: Ctrl+A is the shortcut to print. (a) True (b) False
40. 40.True or false: a hard disk is software. (a) True (b) False

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