Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 384 · 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 of these is hardware? (a) a printer (b) a paint program (c) a calculator app (d) a typing tutor
2. 2.💾 How many bits are there in 12 bytes?
3. 3.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
4. 4.True or false: RAM keeps data when off. (a) False (b) True
5. 5.Which of these is a storage device? (a) printer (b) keyboard (c) scanner (d) pen drive
6. 6.🔍 Which is the odd one out? (a) microphone (b) printer (c) speaker (d) monitor
7. 7.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+C (d) Ctrl+V
8. 8.🧩 Is a music player app hardware or software? (a) hardware (b) software
9. 9.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) RAM (d) the pen drive
10. 10.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) name (d) weight
11. 11.True or false: a projector is an output device. (a) False (b) True
12. 12.💾 How many bits are there in 9 bytes?
13. 13.🧩 Is a mouse hardware or software? (a) software (b) hardware
14. 14.What does it mean to move a file? (a) make an exact twin (b) store your work (c) put it in another place (d) keep your work for later
15. 15.What does it mean to open a file? (a) store your work (b) see what is inside (c) make an exact twin (d) put it in another place
16. 16.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
17. 17.True or false: a speaker is hardware. (a) True (b) False
18. 18.True or false: a mouse is a storage device. (a) False (b) True
19. 19.What does it mean to rename a file? (a) see what is inside (b) throw it away (c) change its name (d) make a brand-new one
20. 20.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
21. 21.Which file ending is a document? (a) .pdf (b) .png (c) .mp3 (d) .gif
22. 22.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
23. 23.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
24. 24.🔍 Which is the odd one out? (a) keyboard (b) mouse (c) monitor (d) scanner
25. 25.True or false: to rename a file means to see what is inside. (a) True (b) False
26. 26.Which of these is an input device? (a) hard disk (b) pen drive (c) scanner (d) printer
27. 27.True or false: a mouse is an output device. (a) True (b) False
28. 28.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) loses data when off (d) is permanent storage
29. 29.🧩 Is a paint program hardware or software? (a) hardware (b) software
30. 30.What does it mean to create a file? (a) make an exact twin (b) put it in another place (c) throw it away (d) make a brand-new one
31. 31.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
32. 32.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
33. 33.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
34. 34.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) move (c) save (d) create
35. 35.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
36. 36.📁 Which word means to “keep your work for later” (for a file or folder)? (a) rename (b) open (c) save (d) move
37. 37.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+C (d) Ctrl+X
38. 38.💾 How many MB are there in 1 GB?
39. 39.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
40. 40.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a pen drive (d) a mouse

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