Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 52 · 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.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
2. 2.True or false: RAM is the working memory. (a) True (b) False
3. 3.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) cloud storage (d) paper storage
4. 4.True or false: a mouse is software. (a) True (b) False
5. 5.💾 How many GB are there in 1 TB?
6. 6.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+Y
7. 7.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) move (c) open (d) rename
8. 8.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
9. 9.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a webcam (d) a computer game
10. 10.🔍 Which is the odd one out? (a) a mouse (b) a calculator app (c) a web browser (d) an operating system
11. 11.🧩 Is a calculator app hardware or software? (a) software (b) hardware
12. 12.🔍 Which is the odd one out? (a) a monitor (b) a pen drive (c) a keyboard (d) a calculator app
13. 13.🔍 Which is the odd one out? (a) keyboard (b) microphone (c) scanner (d) hard disk
14. 14.Which of these is an input device? (a) projector (b) mouse (c) solid-state drive (d) pen drive
15. 15.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
16. 16.What does it mean to delete a file? (a) give it a new name (b) get rid of it (c) change its name (d) keep your work for later
17. 17.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
18. 18.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) smell (d) taste
19. 19.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+C (d) Ctrl+X
20. 20.💾 How many bytes are there in 3 KB?
21. 21.Which of these is software? (a) a printer (b) a hard disk (c) a web browser (d) a mouse
22. 22.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
23. 23.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
24. 24.✋ Which can we touch: hardware or software? (a) hardware (b) software
25. 25.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
26. 26.💾 How many KB are there in 4 MB?
27. 27.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
28. 28.Which of these is hardware? (a) a computer game (b) a paint program (c) a scanner (d) a typing tutor
29. 29.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) open (c) rename (d) create
30. 30.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
31. 31.True or false: a pen drive is a storage device. (a) True (b) False
32. 32.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
33. 33.Which of these is software? (a) a keyboard (b) a pen drive (c) a printer (d) a computer game
34. 34.🧰 Is a speaker a storage, input or output device? (a) an output device (b) an input device (c) a storage device
35. 35.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) delete (c) rename (d) create
36. 36.True or false: to copy a file means to change its name. (a) False (b) True
37. 37.What does it mean to copy a file? (a) make a brand-new one (b) make an exact twin (c) keep your work for later (d) see what is inside
38. 38.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
39. 39.🧩 Is a mouse hardware or software? (a) software (b) hardware
40. 40.💾 How many bits are there in 1 byte?

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