Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 842 · 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: a mouse is hardware. (a) True (b) False
2. 2.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) rename (c) save (d) copy
3. 3.Which of these is an output device? (a) keyboard (b) projector (c) scanner (d) mouse
4. 4.True or false: a computer game is hardware. (a) False (b) True
5. 5.Which of these is software? (a) a mouse (b) a monitor (c) a music player app (d) a webcam
6. 6.True or false: RAM is the working memory. (a) False (b) True
7. 7.What does it mean to save a file? (a) change its name (b) see what is inside (c) throw it away (d) store your work
8. 8.True or false: RAM loses data when off. (a) True (b) False
9. 9.Which of these is hardware? (a) a mouse (b) a web browser (c) an operating system (d) a calculator app
10. 10.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
11. 11.💾 How many bytes are there in 4 KB?
12. 12.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) scanner (b) mouse (c) solid-state drive (d) keyboard
14. 14.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
15. 15.True or false: to create a file means to give it a new name. (a) False (b) True
16. 16.✋ Which can we touch: hardware or software? (a) hardware (b) software
17. 17.True or false: a printer is software. (a) False (b) True
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) cut (c) paste (d) redo
19. 19.📷 A camera keeps its photos on a small ___. (a) memory card (b) mouse pad (c) speaker (d) keyboard
20. 20.🔍 Which is the odd one out? (a) mouse (b) microphone (c) memory card (d) keyboard
21. 21.True or false: to copy a file means to make an exact twin. (a) True (b) False
22. 22.True or false: Ctrl+Y is the shortcut to save. (a) True (b) False
23. 23.True or false: Ctrl+A is the shortcut to paste. (a) False (b) True
24. 24.True or false: to rename a file means to change its name. (a) True (b) False
25. 25.True or false: a word processor is hardware. (a) True (b) False
26. 26.What does it mean to delete a file? (a) change its name (b) throw it away (c) see what is inside (d) make an exact twin
27. 27.🧩 Is a speaker hardware or software? (a) hardware (b) software
28. 28.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+P (d) Ctrl+X
29. 29.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Delete (d) Backspace
30. 30.Which file ending is a picture? (a) .txt (b) .mp3 (c) .pdf (d) .jpg
31. 31.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
32. 32.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a memory card (d) a printer
33. 33.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a folder (d) a mouse
34. 34.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
35. 35.What does it mean to rename a file? (a) put it in another place (b) change its name (c) keep your work for later (d) make an exact twin
36. 36.🔍 Which is the odd one out? (a) pen drive (b) microphone (c) keyboard (d) mouse
37. 37.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
38. 38.Which of these is software? (a) a keyboard (b) a pen drive (c) a word processor (d) a monitor
39. 39.True or false: a printer is an output device. (a) False (b) True
40. 40.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) is temporary memory (d) is permanent storage

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