Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 709 · 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 byte or 1 TB? (a) 1 TB (b) 1 byte
2. 2.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) name (d) smell
3. 3.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
4. 4.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
5. 5.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
6. 6.🔍 Which is the odd one out? (a) a computer game (b) a monitor (c) a paint program (d) a calculator app
7. 7.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) save (c) redo (d) paste
8. 8.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
9. 9.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+C (d) Ctrl+P
10. 10.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
11. 11.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
12. 12.🧩 Is a monitor hardware or software? (a) hardware (b) software
13. 13.Which file ending is a picture? (a) .png (b) .avi (c) .pdf (d) .mkv
14. 14.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
15. 15.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
16. 16.True or false: a printer is software. (a) False (b) True
17. 17.True or false: to delete a file means to get rid of it. (a) True (b) False
18. 18.💾 How many bytes are there in 3 KB?
19. 19.What does it mean to create a file? (a) make an exact twin (b) change its name (c) make a brand-new one (d) store your work
20. 20.What does it mean to delete a file? (a) store your work (b) see what is inside (c) throw it away (d) give it a new name
21. 21.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+C
22. 22.💾 How many MB are there in 2 GB?
23. 23.What does it mean to rename a file? (a) store your work (b) get rid of it (c) make an exact twin (d) change its name
24. 24.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) solid-state drive (d) projector
25. 25.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
28. 28.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
29. 29.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
30. 30.💾 How many bytes are there in 1 KB?
31. 31.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
32. 32.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) undo (c) cut (d) select all
33. 33.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) loses data when off (d) keeps your saved files
34. 34.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+A
35. 35.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) save (c) copy (d) undo
36. 36.Which of these is an output device? (a) monitor (b) memory card (c) mouse (d) solid-state drive
37. 37.True or false: a keyboard is software. (a) True (b) False
38. 38.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) copy (c) save (d) rename
39. 39.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
40. 40.Which file ending is a video? (a) .avi (b) .gif (c) .txt (d) .jpg

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