Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 902 · 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.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) paste (d) undo
2. 2.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
3. 3.🔍 Which is the odd one out? (a) speaker (b) projector (c) printer (d) mouse
4. 4.Which of these is software? (a) a webcam (b) a mouse (c) an operating system (d) a keyboard
5. 5.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V
6. 6.💾 How many GB are there in 1 TB?
7. 7.True or false: to delete a file means to throw it away. (a) False (b) True
8. 8.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Copy (c) Cut (d) Delete
9. 9.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) cut (c) redo (d) undo
10. 10.🧩 Is a web browser hardware or software? (a) software (b) hardware
11. 11.🔍 Which is the odd one out? (a) a web browser (b) a calculator app (c) a typing tutor (d) a keyboard
12. 12.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) copy (c) undo (d) print
13. 13.True or false: a hard disk is software. (a) True (b) False
14. 14.True or false: to copy a file means to make an exact twin. (a) True (b) False
15. 15.Which of these is software? (a) a webcam (b) a paint program (c) a monitor (d) a pen drive
16. 16.🔍 Which is the odd one out? (a) a computer game (b) a web browser (c) a speaker (d) a calculator app
17. 17.💾 How many KB are there in 4 MB?
18. 18.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
19. 19.True or false: storage (like a hard disk) is the working memory. (a) False (b) True
20. 20.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
21. 21.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+F (c) Ctrl+I (d) Ctrl+U
22. 22.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
23. 23.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.Which of these is hardware? (a) a web browser (b) a paint program (c) a monitor (d) an operating system
26. 26.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps photos for years (d) loses data when off
27. 27.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
28. 28.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
29. 29.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) cook food (d) type and edit text
30. 30.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
31. 31.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) delete (c) print (d) save
32. 32.True or false: to save a file means to keep your work for later. (a) False (b) True
33. 33.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
34. 34.🧩 Is a webcam hardware or software? (a) hardware (b) software
35. 35.True or false: to open a file means to see what is inside. (a) False (b) True
36. 36.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+A (d) Ctrl+P
37. 37.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+X
38. 38.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) rename (c) delete (d) save
39. 39.💾 How many KB are there in 2 MB?
40. 40.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an output device (c) an input device

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