Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 362 · 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.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
2. 2.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) undo (c) print (d) paste
4. 4.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
5. 5.📁 Which word means to “throw it away” (for a file or folder)? (a) create (b) open (c) save (d) delete
6. 6.Which of these is hardware? (a) a music player app (b) a paint program (c) a pen drive (d) an operating system
7. 7.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
8. 8.True or false: a mouse is an input device. (a) True (b) False
9. 9.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
10. 10.True or false: storage (like a hard disk) is the working memory. (a) False (b) True
11. 11.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
12. 12.🔍 Which is the odd one out? (a) monitor (b) printer (c) pen drive (d) projector
13. 13.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
14. 14.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
15. 15.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a hard disk (b) a mouse (c) a speaker (d) an operating system
17. 17.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
18. 18.📁 Which word means to “keep your work for later” (for a file or folder)? (a) rename (b) save (c) open (d) move
19. 19.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
20. 20.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) cut (c) copy (d) print
21. 21.True or false: to rename a file means to change its name. (a) True (b) False
22. 22.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
23. 23.🧩 Is a monitor hardware or software? (a) software (b) hardware
24. 24.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Cut (d) Print
25. 25.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
26. 26.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+V (d) Ctrl+C
27. 27.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) taste (d) weight
28. 28.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
29. 29.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Copy (d) Cut
30. 30.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
31. 31.🔍 Which is the odd one out? (a) a word processor (b) a calculator app (c) a monitor (d) a paint program
32. 32.💾 How many bytes are there in 3 KB?
33. 33.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) undo (c) save (d) print
34. 34.🧩 Is a speaker hardware or software? (a) hardware (b) software
35. 35.💾 How many KB are there in 2 MB?
36. 36.🧩 Is an operating system hardware or software? (a) hardware (b) software
37. 37.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
38. 38.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) rename (c) move (d) delete
39. 39.True or false: a mouse is software. (a) True (b) False
40. 40.True or false: to copy a file means to keep your work for later. (a) True (b) False

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