Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 524 · 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 shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+A (d) Ctrl+Z
2. 2.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) is permanent storage (d) is the working memory
3. 3.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
4. 4.Which file ending is a document? (a) .pdf (b) .mkv (c) .wav (d) .gif
5. 5.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) a subfolder (d) an icon
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
7. 7.💾 How many GB are there in 2 TB?
8. 8.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+V
9. 9.💾 How many bytes are there in 3 KB?
10. 10.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
11. 11.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
12. 12.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) cut (c) save (d) undo
13. 13.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
14. 14.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
15. 15.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
16. 16.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) open (c) move (d) copy
17. 17.💾 How many MB are there in 3 GB?
18. 18.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) create (c) rename (d) open
19. 19.True or false: a music player app is hardware. (a) False (b) True
20. 20.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) save (c) print (d) select all
21. 21.True or false: to create a file means to throw it away. (a) True (b) False
22. 22.True or false: to rename a file means to give it a new name. (a) False (b) True
23. 23.📄 What does a word processor help us do? (a) water plants (b) cook food (c) fly a kite (d) type and edit text
24. 24.💾 How many bits are there in 8 bytes?
25. 25.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
26. 26.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a mouse (d) a speaker
27. 27.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
28. 28.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) delete (d) save
29. 29.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
30. 30.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
31. 31.🔍 Which is the odd one out? (a) a scanner (b) a monitor (c) a calculator app (d) a webcam
32. 32.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps your saved files (c) loses data when off (d) is the working memory
33. 33.Which of these is hardware? (a) a music player app (b) a printer (c) a web browser (d) a typing tutor
34. 34.🔍 Which is the odd one out? (a) a mouse (b) a web browser (c) a pen drive (d) a keyboard
35. 35.True or false: a typing tutor is software. (a) True (b) False
36. 36.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) paste (c) undo (d) cut
37. 37.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Y
38. 38.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) holds apps that are open (d) keeps your saved files
39. 39.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
40. 40.What does it mean to create a file? (a) throw it away (b) make a brand-new one (c) keep your work for later (d) get rid of it

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