Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 268 · 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 file ending is a picture? (a) .jpg (b) .avi (c) .wav (d) .pdf
2. 2.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Copy (d) Delete
3. 3.True or false: a calculator app is hardware. (a) True (b) False
4. 4.🧰 Is a printer a storage, input or output device? (a) an input device (b) a storage device (c) an output device
5. 5.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) print (c) cut (d) redo
6. 6.Which of these is software? (a) a word processor (b) a webcam (c) a scanner (d) a pen drive
7. 7.Which file ending is a sound? (a) .wav (b) .pdf (c) .txt (d) .avi
8. 8.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
9. 9.True or false: Ctrl+Z is the shortcut to redo. (a) True (b) False
10. 10.True or false: a calculator app is software. (a) False (b) True
11. 11.🧩 Is a web browser hardware or software? (a) hardware (b) software
12. 12.True or false: a mouse is software. (a) True (b) False
13. 13.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) open (c) save (d) rename
14. 14.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) delete (c) open (d) copy
15. 15.What does it mean to move a file? (a) give it a new name (b) throw it away (c) put it in another place (d) see what is inside
16. 16.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
17. 17.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) print (c) cut (d) select all
18. 18.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the memory card (c) the hard disk (d) RAM
19. 19.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
20. 20.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
21. 21.True or false: a keyboard is hardware. (a) False (b) True
22. 22.True or false: a speaker is software. (a) False (b) True
23. 23.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
24. 24.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
25. 25.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a printer (d) a memory card
26. 26.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
27. 27.🔍 Which is the odd one out? (a) a monitor (b) a paint program (c) a webcam (d) a pen drive
28. 28.True or false: a pen drive is a storage device. (a) False (b) True
29. 29.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
30. 30.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
31. 31.True or false: a speaker is an output device. (a) False (b) True
32. 32.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) weight (d) taste
33. 33.True or false: a pen drive is an output device. (a) False (b) True
34. 34.True or false: RAM is permanent storage. (a) False (b) True
35. 35.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
36. 36.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
37. 37.True or false: a printer is hardware. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a scanner (b) a keyboard (c) a speaker (d) a calculator app
39. 39.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) save (c) select all (d) cut

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets