Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 152 · 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: storage (like a hard disk) keeps photos for years. (a) False (b) True
2. 2.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) delete (d) save
3. 3.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) copy (c) move (d) save
4. 4.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) instructions (d) wires
5. 5.📁 Which word means to “store your work” (for a file or folder)? (a) move (b) delete (c) save (d) open
6. 6.🧩 Is a word processor hardware or software? (a) hardware (b) software
7. 7.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
8. 8.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
9. 9.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
10. 10.True or false: to save a file means to change its name. (a) False (b) True
11. 11.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
12. 12.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) paste (c) save (d) cut
13. 13.True or false: a keyboard is hardware. (a) True (b) False
14. 14.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a big file (d) a subfolder
15. 15.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) copy (c) save (d) select all
16. 16.Which file ending is a picture? (a) .wav (b) .png (c) .pdf (d) .txt
17. 17.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+C
18. 18.📷 A camera keeps its photos on a small ___. (a) keyboard (b) memory card (c) speaker (d) mouse pad
19. 19.🧩 Is a speaker hardware or software? (a) hardware (b) software
20. 20.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
21. 21.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
22. 22.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
23. 23.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an output device (c) an input device
24. 24.True or false: Ctrl+A is the shortcut to print. (a) True (b) False
25. 25.Which of these is hardware? (a) a paint program (b) a web browser (c) a speaker (d) an operating system
26. 26.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
27. 27.💾 How many KB are there in 4 MB?
28. 28.🔍 Which is the odd one out? (a) an operating system (b) a web browser (c) a word processor (d) a mouse
29. 29.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
30. 30.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
31. 31.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
32. 32.Which of these is an input device? (a) keyboard (b) solid-state drive (c) pen drive (d) memory card
33. 33.True or false: to rename a file means to make an exact twin. (a) False (b) True
34. 34.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
35. 35.Which of these is software? (a) a speaker (b) a monitor (c) a paint program (d) a keyboard
36. 36.What does it mean to rename a file? (a) make a brand-new one (b) put it in another place (c) give it a new name (d) throw it away
37. 37.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
38. 38.🔍 Which is the odd one out? (a) projector (b) printer (c) scanner (d) speaker
39. 39.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
40. 40.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False

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