Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 507 · 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.🧩 Is a music player app hardware or software? (a) hardware (b) software
2. 2.💾 How many bytes are there in 4 KB?
3. 3.True or false: to rename a file means to make an exact twin. (a) True (b) False
4. 4.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
5. 5.True or false: a mouse is software. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) a word processor (b) a webcam (c) a music player app (d) an operating system
7. 7.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+A
8. 8.What does it mean to rename a file? (a) change its name (b) store your work (c) keep your work for later (d) make an exact twin
9. 9.✋ Which can we touch: hardware or software? (a) software (b) hardware
10. 10.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+C
11. 11.🧩 Is a word processor hardware or software? (a) hardware (b) software
12. 12.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) redo (c) cut (d) paste
13. 13.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
14. 14.💾 How many KB are there in 3 MB?
15. 15.True or false: to copy a file means to get rid of it. (a) False (b) True
16. 16.💾 How many MB are there in 2 GB?
17. 17.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
18. 18.True or false: to open a file means to see what is inside. (a) True (b) False
19. 19.True or false: a memory card is an output device. (a) False (b) True
20. 20.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
21. 21.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) copy (c) save (d) select all
22. 22.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) move (c) rename (d) delete
23. 23.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
24. 24.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) print (c) cut (d) redo
25. 25.What does it mean to open a file? (a) throw it away (b) see what is inside (c) get rid of it (d) give it a new name
26. 26.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) rename (c) copy (d) create
27. 27.True or false: a typing tutor is software. (a) False (b) True
28. 28.True or false: to copy a file means to make an exact twin. (a) False (b) True
29. 29.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+A
30. 30.🧩 Is a webcam hardware or software? (a) software (b) hardware
31. 31.💾 How many KB are there in 4 MB?
32. 32.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
33. 33.True or false: to rename a file means to give it a new name. (a) True (b) False
34. 34.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
35. 35.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
36. 36.What does it mean to copy a file? (a) make an exact twin (b) get rid of it (c) store your work (d) give it a new name
37. 37.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) cook food (d) fly a kite
38. 38.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
39. 39.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
40. 40.What does it mean to save a file? (a) get rid of it (b) store your work (c) make a brand-new one (d) see what is inside

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