Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 71 · 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 byte (b) 1 TB
2. 2.Which of these is hardware? (a) a paint program (b) a typing tutor (c) a speaker (d) a web browser
3. 3.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
4. 4.🧩 Is a calculator app hardware or software? (a) software (b) hardware
5. 5.True or false: a web browser is hardware. (a) True (b) False
6. 6.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
7. 7.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
8. 8.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
9. 9.True or false: a scanner is software. (a) False (b) True
10. 10.What does it mean to create a file? (a) throw it away (b) change its name (c) see what is inside (d) make a brand-new one
11. 11.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the memory card (d) the pen drive
12. 12.🧩 Is a music player app hardware or software? (a) software (b) hardware
13. 13.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
14. 14.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
15. 15.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
16. 16.True or false: Ctrl+S is the shortcut to undo. (a) True (b) False
17. 17.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) cut (c) redo (d) copy
19. 19.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) undo (c) select all (d) copy
20. 20.True or false: Ctrl+A is the shortcut to save. (a) True (b) False
21. 21.True or false: a typing tutor is hardware. (a) True (b) False
22. 22.What does it mean to open a file? (a) see what is inside (b) store your work (c) throw it away (d) get rid of it
23. 23.True or false: a speaker is a storage device. (a) True (b) False
24. 24.🧩 Is a web browser hardware or software? (a) hardware (b) software
25. 25.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) save (c) paste (d) copy
26. 26.True or false: to save a file means to keep your work for later. (a) True (b) False
27. 27.Which of these is hardware? (a) a typing tutor (b) a word processor (c) an operating system (d) a mouse
28. 28.True or false: a monitor is an input device. (a) False (b) True
29. 29.True or false: a hard disk is a storage device. (a) False (b) True
30. 30.True or false: a webcam is software. (a) True (b) False
31. 31.Which of these is a storage device? (a) projector (b) mouse (c) keyboard (d) pen drive
32. 32.🧩 Is a keyboard hardware or software? (a) hardware (b) software
33. 33.🧰 Is a printer a storage, input or output device? (a) an input device (b) an output device (c) a storage device
34. 34.Which file ending is a picture? (a) .mp3 (b) .mkv (c) .wav (d) .png
35. 35.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
36. 36.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
37. 37.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
38. 38.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
39. 39.Which of these is an output device? (a) pen drive (b) printer (c) solid-state drive (d) keyboard
40. 40.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Copy (d) Undo

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