Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 715 · 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.💾 How many MB are there in 3 GB?
2. 2.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
3. 3.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) select (d) save
4. 4.True or false: a scanner is hardware. (a) False (b) True
5. 5.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
6. 6.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
7. 7.🧩 Is a mouse hardware or software? (a) software (b) hardware
8. 8.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
9. 9.💾 How many bits are there in 2 bytes?
10. 10.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
11. 11.True or false: to delete a file means to store your work. (a) False (b) True
12. 12.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
13. 13.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) create (c) copy (d) delete
14. 14.🧩 Is a computer game hardware or software? (a) hardware (b) software
15. 15.Which of these is true of RAM? (a) keeps photos for years (b) is the working memory (c) is permanent storage (d) keeps your saved files
16. 16.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
17. 17.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
18. 18.📁 Which word means to “see what is inside” (for a file or folder)? (a) rename (b) save (c) open (d) copy
19. 19.What does it mean to copy a file? (a) store your work (b) get rid of it (c) keep your work for later (d) make an exact twin
20. 20.True or false: a memory card is an output device. (a) True (b) False
21. 21.🧩 Is a pen drive hardware or software? (a) hardware (b) software
22. 22.True or false: a monitor is software. (a) True (b) False
23. 23.Which of these is software? (a) a pen drive (b) a keyboard (c) a computer game (d) a monitor
24. 24.Which of these is software? (a) a mouse (b) a monitor (c) a speaker (d) a typing tutor
25. 25.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) a printer (d) RAM
26. 26.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
27. 27.Which of these is hardware? (a) a paint program (b) a word processor (c) a monitor (d) a computer game
28. 28.Which file ending is a sound? (a) .png (b) .mp3 (c) .avi (d) .mkv
29. 29.True or false: a typing tutor is software. (a) True (b) False
30. 30.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+A (d) Ctrl+Y
31. 31.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
32. 32.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
33. 33.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+V
34. 34.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+P
35. 35.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Cut (c) Copy (d) Undo
36. 36.What does it mean to rename a file? (a) get rid of it (b) throw it away (c) put it in another place (d) change its name
37. 37.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
38. 38.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+S (d) Ctrl+V
39. 39.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
40. 40.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) bit (d) GB

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