Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 837 · 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: Ctrl+X is the shortcut to cut. (a) False (b) True
2. 2.True or false: a webcam is hardware. (a) True (b) False
3. 3.What does it mean to move a file? (a) give it a new name (b) keep your work for later (c) put it in another place (d) see what is inside
4. 4.Which of these is hardware? (a) a calculator app (b) a word processor (c) a keyboard (d) a paint program
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
6. 6.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
7. 7.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
8. 8.✋ Which can we touch: hardware or software? (a) hardware (b) software
9. 9.💾 How many MB are there in 2 GB?
10. 10.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
11. 11.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+S (d) Ctrl+Z
12. 12.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+S (d) Ctrl+Z
13. 13.Which file ending is a sound? (a) .jpg (b) .png (c) .mp4 (d) .wav
14. 14.Which file ending is a picture? (a) .wav (b) .avi (c) .jpg (d) .txt
15. 15.🧩 Is a monitor hardware or software? (a) software (b) hardware
16. 16.🔍 Which is the odd one out? (a) a webcam (b) a computer game (c) a music player app (d) a word processor
17. 17.💾 How many KB are there in 3 MB?
18. 18.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) weight (d) smell
19. 19.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps data when off (d) is temporary memory
20. 20.True or false: Ctrl+A is the shortcut to save. (a) True (b) False
21. 21.🧰 Is a printer a storage, input or output device? (a) an output device (b) a storage device (c) an input device
22. 22.True or false: a printer is an output device. (a) False (b) True
23. 23.True or false: RAM is permanent storage. (a) True (b) False
24. 24.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) rename (c) create (d) copy
25. 25.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
26. 26.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) is the working memory (d) keeps data when off
27. 27.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
28. 28.True or false: to rename a file means to change its name. (a) False (b) True
29. 29.💾 How many bytes are there in 4 KB?
30. 30.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
31. 31.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
32. 32.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
33. 33.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) move (c) rename (d) delete
34. 34.Which of these is hardware? (a) an operating system (b) a word processor (c) a web browser (d) a mouse
35. 35.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
36. 36.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) select all (c) undo (d) cut
37. 37.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
38. 38.🔍 Which is the odd one out? (a) a music player app (b) a word processor (c) a mouse (d) a calculator app
39. 39.True or false: a web browser is hardware. (a) True (b) False
40. 40.💾 How many KB are there in 2 MB?

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