Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 495 · 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: Ctrl+A is the shortcut to select all. (a) True (b) False
2. 2.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
3. 3.🔍 Which is the odd one out? (a) a word processor (b) a pen drive (c) an operating system (d) a music player app
4. 4.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
5. 5.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is temporary memory (c) holds apps that are open (d) loses data when off
6. 6.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
7. 7.Which of these is hardware? (a) a scanner (b) a music player app (c) a calculator app (d) a paint program
8. 8.True or false: to rename a file means to put it in another place. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a web browser (b) a keyboard (c) a computer game (d) a music player app
10. 10.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) a printer (d) RAM
11. 11.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
12. 12.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) an icon (d) a big file
13. 13.💾 How many KB are there in 3 MB?
14. 14.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
15. 15.🧩 Is a monitor hardware or software? (a) software (b) hardware
16. 16.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
17. 17.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
18. 18.What does it mean to create a file? (a) keep your work for later (b) throw it away (c) make a brand-new one (d) give it a new name
19. 19.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
20. 20.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) holds apps that are open (d) keeps data when off
21. 21.💾 How many bytes are there in 1 KB?
22. 22.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) wires (d) screws
23. 23.🔍 Which is the odd one out? (a) a printer (b) a scanner (c) a keyboard (d) a computer game
24. 24.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) paste (c) cut (d) print
25. 25.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) select all (c) print (d) cut
26. 26.Which of these is software? (a) a speaker (b) a word processor (c) a keyboard (d) a webcam
27. 27.What does it mean to save a file? (a) get rid of it (b) see what is inside (c) change its name (d) keep your work for later
28. 28.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
29. 29.🔍 Which is the odd one out? (a) a typing tutor (b) a web browser (c) a computer game (d) a speaker
30. 30.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
33. 33.🧩 Is a mouse hardware or software? (a) software (b) hardware
34. 34.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) save (c) move (d) copy
35. 35.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
36. 36.🔍 Which is the odd one out? (a) monitor (b) printer (c) solid-state drive (d) projector
37. 37.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
38. 38.What does it mean to delete a file? (a) put it in another place (b) throw it away (c) see what is inside (d) change its name
39. 39.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Print (c) Undo (d) Cut
40. 40.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB

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