Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 770 · 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 one is permanent storage: RAM or storage? (a) RAM (b) storage
2. 2.Which of these is hardware? (a) a computer game (b) a webcam (c) a web browser (d) a typing tutor
3. 3.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
4. 4.What does it mean to open a file? (a) change its name (b) put it in another place (c) store your work (d) see what is inside
5. 5.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) save (c) undo (d) cut
6. 6.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
7. 7.Which of these is an input device? (a) monitor (b) printer (c) scanner (d) hard disk
8. 8.Which file ending is a picture? (a) .mp4 (b) .wav (c) .gif (d) .avi
9. 9.💾 How many GB are there in 1 TB?
10. 10.True or false: a monitor is hardware. (a) False (b) True
11. 11.True or false: an operating system is hardware. (a) True (b) False
12. 12.What does it mean to rename a file? (a) make a brand-new one (b) give it a new name (c) make an exact twin (d) see what is inside
13. 13.True or false: a speaker is an output device. (a) False (b) True
14. 14.Which shortcut do we press to select all? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+S (d) Ctrl+A
15. 15.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
16. 16.What does it mean to create a file? (a) make an exact twin (b) change its name (c) get rid of it (d) make a brand-new one
17. 17.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
18. 18.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
19. 19.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
20. 20.✋ Which can we touch: hardware or software? (a) software (b) hardware
21. 21.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) save (c) select all (d) paste
22. 22.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
23. 23.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
24. 24.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+A
25. 25.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
26. 26.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) move (c) open (d) save
27. 27.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) undo (c) copy (d) paste
28. 28.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
29. 29.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
30. 30.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) loses data when off (d) is permanent storage
31. 31.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
32. 32.True or false: a keyboard is software. (a) False (b) True
33. 33.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
34. 34.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
35. 35.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
36. 36.🔍 Which is the odd one out? (a) a scanner (b) a paint program (c) a web browser (d) a typing tutor
37. 37.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
38. 38.Which file ending is a picture? (a) .mkv (b) .pdf (c) .png (d) .wav
39. 39.Which file ending is a picture? (a) .txt (b) .mp4 (c) .jpg (d) .avi
40. 40.True or false: a mouse is software. (a) True (b) False

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