Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 137 · 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.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an output device (c) an input device
2. 2.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
3. 3.What does it mean to copy a file? (a) store your work (b) give it a new name (c) get rid of it (d) make an exact twin
4. 4.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
5. 5.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) print (d) cut
6. 6.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
7. 7.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
8. 8.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Copy (d) Delete
9. 9.✋ Which can we touch: hardware or software? (a) software (b) hardware
10. 10.💾 How many bytes are there in 4 KB?
11. 11.🔍 Which is the odd one out? (a) a mouse (b) a monitor (c) a scanner (d) a paint program
12. 12.Which shortcut do we press to redo? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+V
13. 13.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+I (d) Ctrl+U
14. 14.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) copy (c) select all (d) redo
15. 15.🧩 Is a computer game hardware or software? (a) software (b) hardware
16. 16.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
17. 17.📁 Which word means to “change its name” (for a file or folder)? (a) move (b) copy (c) create (d) rename
18. 18.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
19. 19.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+P (d) Ctrl+A
20. 20.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) paste (c) print (d) copy
21. 21.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
22. 22.What does it mean to move a file? (a) change its name (b) make an exact twin (c) put it in another place (d) get rid of it
23. 23.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
24. 24.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
25. 25.💾 How many MB are there in 1 GB?
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Copy (d) Cut
27. 27.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
28. 28.💾 How many bits are there in 6 bytes?
29. 29.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
30. 30.🧩 Is a webcam hardware or software? (a) hardware (b) software
31. 31.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
32. 32.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
33. 33.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
34. 34.Which of these is an input device? (a) speaker (b) keyboard (c) printer (d) pen drive
35. 35.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
36. 36.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
37. 37.💾 How many KB are there in 1 MB?
38. 38.Which of these is software? (a) an operating system (b) a scanner (c) a monitor (d) a webcam
39. 39.Which file ending is a document? (a) .wav (b) .mp3 (c) .png (d) .pdf
40. 40.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) name (d) taste

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