Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 801 · 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: to create a file means to throw it away. (a) False (b) True
2. 2.Which file ending is a sound? (a) .pdf (b) .png (c) .wav (d) .txt
3. 3.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) box storage (d) paper storage
4. 4.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
5. 5.True or false: to rename a file means to give it a new name. (a) True (b) False
6. 6.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
7. 7.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) save (c) open (d) move
8. 8.What does it mean to save a file? (a) change its name (b) make an exact twin (c) keep your work for later (d) throw it away
9. 9.🔍 Which is the odd one out? (a) a printer (b) a scanner (c) a pen drive (d) a web browser
10. 10.💾 How many KB are there in 1 MB?
11. 11.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
12. 12.Which of these is software? (a) a keyboard (b) a speaker (c) a word processor (d) a printer
13. 13.True or false: a monitor is software. (a) True (b) False
14. 14.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
15. 15.🧩 Is a pen drive hardware or software? (a) software (b) hardware
16. 16.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
17. 17.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a subfolder (d) a printer
18. 18.True or false: to delete a file means to make an exact twin. (a) True (b) False
19. 19.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
20. 20.What does it mean to delete a file? (a) throw it away (b) change its name (c) put it in another place (d) store your work
21. 21.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
22. 22.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
23. 23.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
24. 24.💾 How many bytes are there in 1 KB?
25. 25.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
26. 26.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
27. 27.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
28. 28.Which file ending is a sound? (a) .jpg (b) .mp4 (c) .mp3 (d) .png
29. 29.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
30. 30.🔍 Which is the odd one out? (a) a webcam (b) a printer (c) a calculator app (d) a keyboard
31. 31.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
32. 32.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
33. 33.🧩 Is a mouse hardware or software? (a) hardware (b) software
34. 34.🧩 Is a calculator app hardware or software? (a) software (b) hardware
35. 35.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
36. 36.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
37. 37.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Copy (d) Delete
38. 38.🧩 Is an operating system hardware or software? (a) software (b) hardware
39. 39.True or false: a projector is a storage device. (a) False (b) True
40. 40.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit

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