Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 974 · 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.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Print (c) Delete (d) Cut
2. 2.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
3. 3.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
4. 4.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
5. 5.🔍 Which is the odd one out? (a) pen drive (b) memory card (c) scanner (d) hard disk
6. 6.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) keeps data when off (d) loses data when off
8. 8.🧩 Is a pen drive hardware or software? (a) software (b) hardware
9. 9.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
10. 10.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
11. 11.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) mouse (d) memory card
12. 12.What does it mean to copy a file? (a) make a brand-new one (b) make an exact twin (c) change its name (d) give it a new name
13. 13.💾 How many bytes are there in 4 KB?
14. 14.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
15. 15.True or false: to rename a file means to give it a new name. (a) False (b) True
16. 16.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
17. 17.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
18. 18.True or false: to rename a file means to change its name. (a) True (b) False
19. 19.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) print (d) save
20. 20.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) save (c) delete (d) rename
21. 21.True or false: a speaker is software. (a) False (b) True
22. 22.True or false: to copy a file means to put it in another place. (a) True (b) False
23. 23.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+S (d) Ctrl+V
24. 24.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) screws (d) wires
25. 25.✋ Which can we touch: hardware or software? (a) software (b) hardware
26. 26.🧩 Is a paint program hardware or software? (a) hardware (b) software
27. 27.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+P (d) Ctrl+V
28. 28.🔍 Which is the odd one out? (a) a typing tutor (b) a speaker (c) a music player app (d) a computer game
29. 29.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
30. 30.Which of these is hardware? (a) a computer game (b) an operating system (c) a webcam (d) a word processor
31. 31.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
32. 32.📄 A file name ends in .png. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
33. 33.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+V (d) Ctrl+Z
34. 34.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
35. 35.🔍 Which is the odd one out? (a) a word processor (b) a typing tutor (c) a keyboard (d) a paint program
36. 36.🔍 Which is the odd one out? (a) a keyboard (b) a mouse (c) a word processor (d) a pen drive
37. 37.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
38. 38.True or false: to rename a file means to make a brand-new one. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) scanner (b) microphone (c) keyboard (d) speaker
40. 40.What does it mean to delete a file? (a) change its name (b) make an exact twin (c) get rid of it (d) make a brand-new one

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