Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 833 · 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: an operating system is hardware. (a) True (b) False
2. 2.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) save (c) select all (d) undo
3. 3.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
4. 4.True or false: Ctrl+C is the shortcut to print. (a) False (b) True
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
6. 6.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
8. 8.Which of these is software? (a) a monitor (b) a paint program (c) a webcam (d) a scanner
9. 9.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) instructions (d) screws
10. 10.True or false: RAM keeps photos for years. (a) True (b) False
11. 11.Which of these is hardware? (a) a typing tutor (b) a word processor (c) a keyboard (d) a web browser
12. 12.Which file ending is a video? (a) .avi (b) .mp3 (c) .pdf (d) .gif
13. 13.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
14. 14.True or false: RAM keeps data when off. (a) False (b) True
15. 15.💾 How many MB are there in 1 GB?
16. 16.Which file ending is a document? (a) .txt (b) .mkv (c) .png (d) .jpg
17. 17.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
18. 18.True or false: to rename a file means to make an exact twin. (a) True (b) False
19. 19.📁 Which word means to “put it in another place” (for a file or folder)? (a) open (b) move (c) delete (d) save
20. 20.📄 What does a word processor help us do? (a) water plants (b) cook food (c) type and edit text (d) fly a kite
21. 21.True or false: a solid-state drive is an output device. (a) True (b) False
22. 22.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
23. 23.💾 How many GB are there in 2 TB?
24. 24.Which of these is a storage device? (a) monitor (b) microphone (c) solid-state drive (d) speaker
25. 25.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
26. 26.Which of these is true of RAM? (a) is temporary memory (b) keeps your saved files (c) is permanent storage (d) keeps photos for years
27. 27.💾 How many bytes are there in 4 KB?
28. 28.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
29. 29.True or false: RAM loses data when off. (a) True (b) False
30. 30.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) save (c) select all (d) print
32. 32.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) select all (c) paste (d) redo
33. 33.True or false: a speaker is an output device. (a) True (b) False
34. 34.Which of these is true of RAM? (a) keeps data when off (b) is permanent storage (c) keeps photos for years (d) is the working memory
35. 35.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
36. 36.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
37. 37.🧩 Is a monitor hardware or software? (a) software (b) hardware
38. 38.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
39. 39.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
40. 40.True or false: a microphone is an output device. (a) False (b) True

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