Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 924 · 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 bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
2. 2.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
3. 3.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is the working memory (c) is temporary memory (d) loses data when off
4. 4.Which of these is an output device? (a) scanner (b) microphone (c) mouse (d) monitor
5. 5.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
6. 6.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
7. 7.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) rename (c) save (d) open
8. 8.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) cook food (d) fly a kite
9. 9.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
10. 10.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+C (d) Ctrl+Y
11. 11.True or false: a scanner is software. (a) True (b) False
12. 12.Which file ending is a picture? (a) .pdf (b) .gif (c) .avi (d) .txt
13. 13.🧩 Is a webcam hardware or software? (a) software (b) hardware
14. 14.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
15. 15.Which of these is true of RAM? (a) loses data when off (b) keeps your saved files (c) keeps data when off (d) is permanent storage
16. 16.🧩 Is a music player app hardware or software? (a) hardware (b) software
17. 17.True or false: a scanner is a storage device. (a) False (b) True
18. 18.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) copy (c) save (d) redo
19. 19.What does it mean to copy a file? (a) throw it away (b) make an exact twin (c) see what is inside (d) put it in another place
20. 20.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
21. 21.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
22. 22.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
23. 23.🔍 Which is the odd one out? (a) a word processor (b) a mouse (c) a keyboard (d) a monitor
24. 24.🧩 Is a word processor hardware or software? (a) software (b) hardware
25. 25.True or false: a speaker is an input device. (a) False (b) True
26. 26.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
27. 27.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
28. 28.Which file ending is a video? (a) .gif (b) .wav (c) .mp3 (d) .avi
29. 29.💾 How many MB are there in 2 GB?
30. 30.What does it mean to create a file? (a) make a brand-new one (b) get rid of it (c) see what is inside (d) change its name
31. 31.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) is the working memory (d) keeps photos for years
32. 32.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+X
33. 33.💾 How many bytes are there in 3 KB?
34. 34.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Cut (d) Delete
35. 35.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) rename (c) open (d) move
36. 36.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
37. 37.True or false: an operating system is software. (a) True (b) False
38. 38.🧩 Is a computer game hardware or software? (a) software (b) hardware
39. 39.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) save (c) copy (d) move
40. 40.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) paste (c) save (d) redo

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