Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 655 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.Which of these is a storage device? (a) microphone (b) memory card (c) scanner (d) keyboard
3. 3.True or false: a paint program is software. (a) False (b) True
4. 4.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Cut (d) Copy
5. 5.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
6. 6.Which of these is software? (a) a monitor (b) a word processor (c) a scanner (d) a keyboard
7. 7.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
8. 8.Which shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+A (d) Ctrl+C
9. 9.What does it mean to open a file? (a) see what is inside (b) throw it away (c) get rid of it (d) keep your work for later
10. 10.💾 How many bytes are there in 4 KB?
11. 11.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
12. 12.Which of these is an input device? (a) mouse (b) monitor (c) pen drive (d) memory card
13. 13.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
14. 14.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) cut (c) print (d) save
15. 15.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
16. 16.🧩 Is a printer hardware or software? (a) software (b) hardware
17. 17.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
18. 18.What does it mean to delete a file? (a) change its name (b) get rid of it (c) put it in another place (d) give it a new name
19. 19.💾 How many KB are there in 3 MB?
20. 20.What does it mean to copy a file? (a) get rid of it (b) make an exact twin (c) give it a new name (d) make a brand-new one
21. 21.Which of these is software? (a) a hard disk (b) a keyboard (c) a printer (d) a paint program
22. 22.🧩 Is a mouse hardware or software? (a) hardware (b) software
23. 23.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) save (c) cut (d) undo
24. 24.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
25. 25.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) rename (c) delete (d) move
26. 26.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
27. 27.Which of these is software? (a) a hard disk (b) a speaker (c) a mouse (d) a web browser
28. 28.True or false: Ctrl+V is the shortcut to select all. (a) True (b) False
29. 29.True or false: a scanner is an input device. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a web browser (b) a word processor (c) an operating system (d) a printer
31. 31.True or false: a pen drive is hardware. (a) False (b) True
32. 32.True or false: to delete a file means to get rid of it. (a) False (b) True
33. 33.True or false: to create a file means to give it a new name. (a) True (b) False
34. 34.True or false: Ctrl+Z is the shortcut to redo. (a) False (b) True
35. 35.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) undo (c) paste (d) copy
36. 36.True or false: a speaker is an output device. (a) False (b) True
37. 37.Which of these is software? (a) a speaker (b) a keyboard (c) a typing tutor (d) a scanner
38. 38.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
39. 39.True or false: RAM is the working memory. (a) False (b) True
40. 40.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) weight (d) taste

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