Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 318 · 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: Ctrl+A is the shortcut to print. (a) False (b) True
2. 2.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
3. 3.💾 How many GB are there in 1 TB?
4. 4.Which of these is hardware? (a) an operating system (b) a paint program (c) a computer game (d) a pen drive
5. 5.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
6. 6.True or false: a webcam is hardware. (a) False (b) True
7. 7.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) undo (d) save
8. 8.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
9. 9.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
10. 10.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
11. 11.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
12. 12.📄 A file name ends in .png. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
13. 13.💾 How many bytes are there in 4 KB?
14. 14.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps your saved files (d) is the working memory
15. 15.Which file ending is a document? (a) .wav (b) .mp3 (c) .txt (d) .jpg
16. 16.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) an input device (c) a storage device
17. 17.✋ Which can we touch: hardware or software? (a) hardware (b) software
18. 18.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
19. 19.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+A
20. 20.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
21. 21.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) delete (c) open (d) copy
22. 22.💾 How many KB are there in 4 MB?
23. 23.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
24. 24.📁 Which word means to “throw it away” (for a file or folder)? (a) save (b) delete (c) create (d) open
25. 25.Which of these is software? (a) a keyboard (b) a monitor (c) a music player app (d) a mouse
26. 26.What does it mean to rename a file? (a) get rid of it (b) see what is inside (c) give it a new name (d) store your work
27. 27.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) select (c) save (d) delete
28. 28.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) open (c) save (d) delete
29. 29.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) redo (c) select all (d) cut
30. 30.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
31. 31.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
32. 32.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
33. 33.True or false: to rename a file means to make an exact twin. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) microphone (b) keyboard (c) monitor (d) scanner
35. 35.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) copy (c) save (d) redo
36. 36.💾 How many MB are there in 3 GB?
37. 37.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
38. 38.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
39. 39.💾 How many MB are there in 1 GB?
40. 40.Which of these is true of RAM? (a) keeps data when off (b) is temporary memory (c) is permanent storage (d) keeps photos for years

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