Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 283 · 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: a speaker is an output device. (a) False (b) True
2. 2.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+A
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) select all (c) print (d) paste
4. 4.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
5. 5.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a printer (d) a pen drive
6. 6.True or false: a speaker is an input device. (a) False (b) True
7. 7.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the toolbar (d) the folder
8. 8.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
9. 9.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
10. 10.True or false: a monitor is a storage device. (a) True (b) False
11. 11.True or false: a mouse is a storage device. (a) False (b) True
12. 12.Which of these is true of RAM? (a) holds apps that are open (b) keeps your saved files (c) keeps photos for years (d) keeps data when off
13. 13.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is temporary memory (c) is the working memory (d) loses data when off
14. 14.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
15. 15.What does it mean to save a file? (a) get rid of it (b) keep your work for later (c) change its name (d) make an exact twin
16. 16.Which file ending is a picture? (a) .mkv (b) .png (c) .avi (d) .pdf
17. 17.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) save (c) paste (d) undo
18. 18.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+A (d) Ctrl+C
19. 19.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
20. 20.🧩 Is a mouse hardware or software? (a) software (b) hardware
21. 21.True or false: a speaker is software. (a) False (b) True
22. 22.What does it mean to copy a file? (a) keep your work for later (b) throw it away (c) make an exact twin (d) change its name
23. 23.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
24. 24.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+V
25. 25.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) create (c) save (d) open
26. 26.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
27. 27.Which file ending is a picture? (a) .mkv (b) .jpg (c) .txt (d) .pdf
28. 28.True or false: Ctrl+P is the shortcut to cut. (a) True (b) False
29. 29.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) save (c) undo (d) cut
30. 30.🔍 Which is the odd one out? (a) a keyboard (b) a pen drive (c) a scanner (d) a calculator app
31. 31.True or false: to move a file means to make an exact twin. (a) False (b) True
32. 32.Which of these is an output device? (a) mouse (b) printer (c) microphone (d) pen drive
33. 33.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a mouse (d) a webcam
34. 34.💾 How many GB are there in 2 TB?
35. 35.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) undo (c) copy (d) select all
36. 36.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
37. 37.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
38. 38.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) cloud storage (d) rain storage
39. 39.True or false: Ctrl+X is the shortcut to save. (a) True (b) False
40. 40.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) screws (d) instructions

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