Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 43 · 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 is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
2. 2.💾 How many bytes are there in 3 KB?
3. 3.True or false: a typing tutor is software. (a) True (b) False
4. 4.🧩 Is a mouse hardware or software? (a) hardware (b) software
5. 5.True or false: RAM is temporary memory. (a) True (b) False
6. 6.What does it mean to delete a file? (a) get rid of it (b) put it in another place (c) see what is inside (d) store your work
7. 7.🧩 Is a paint program hardware or software? (a) hardware (b) software
8. 8.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an output device (c) an input device
9. 9.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) cook food (d) water plants
10. 10.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
11. 11.What does it mean to delete a file? (a) put it in another place (b) throw it away (c) keep your work for later (d) make a brand-new one
12. 12.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
13. 13.✋ Which can we touch: hardware or software? (a) hardware (b) software
14. 14.🔍 Which is the odd one out? (a) a mouse (b) a scanner (c) a printer (d) a computer game
15. 15.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
16. 16.Which file ending is a video? (a) .avi (b) .png (c) .pdf (d) .gif
17. 17.True or false: a printer is an output device. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a music player app (b) a web browser (c) a pen drive (d) a computer game
19. 19.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
20. 20.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) open (c) copy (d) rename
21. 21.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
22. 22.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) open (c) save (d) rename
23. 23.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) RAM (d) a printer
24. 24.True or false: a printer is an input device. (a) False (b) True
25. 25.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
26. 26.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Z
27. 27.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) speaker (d) keyboard
28. 28.True or false: storage (like a hard disk) is the working memory. (a) False (b) True
29. 29.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
30. 30.Which file ending is a picture? (a) .mp3 (b) .pdf (c) .png (d) .mkv
31. 31.True or false: RAM loses data when off. (a) False (b) True
32. 32.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
33. 33.💾 How many bytes are there in 1 KB?
34. 34.Which of these is an output device? (a) memory card (b) keyboard (c) mouse (d) speaker
35. 35.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
36. 36.What does it mean to rename a file? (a) keep your work for later (b) get rid of it (c) throw it away (d) give it a new name
37. 37.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) save (c) cut (d) undo
38. 38.True or false: a scanner is software. (a) True (b) False
39. 39.True or false: Ctrl+X is the shortcut to copy. (a) True (b) False
40. 40.🧩 Is a keyboard hardware or software? (a) software (b) hardware

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