Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 391 · 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 file name ends in .jpg. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
2. 2.🧩 Is a monitor hardware or software? (a) hardware (b) software
3. 3.True or false: to rename a file means to put it in another place. (a) True (b) False
4. 4.True or false: a monitor is software. (a) False (b) True
5. 5.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
6. 6.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
8. 8.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
9. 9.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) save (c) cut (d) select all
10. 10.True or false: a printer is an input device. (a) False (b) True
11. 11.True or false: Ctrl+V is the shortcut to save. (a) False (b) True
12. 12.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) paste (c) select all (d) undo
13. 13.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
14. 14.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) delete (c) open (d) save
15. 15.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
16. 16.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
17. 17.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) is permanent storage (d) holds apps that are open
18. 18.What does it mean to copy a file? (a) give it a new name (b) store your work (c) make an exact twin (d) put it in another place
19. 19.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
20. 20.🧩 Is a music player app hardware or software? (a) software (b) hardware
21. 21.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps data when off (d) loses data when off
22. 22.Which of these is hardware? (a) a word processor (b) a calculator app (c) a keyboard (d) a typing tutor
23. 23.💾 How many KB are there in 2 MB?
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.💾 How many bits are there in 4 bytes?
26. 26.💾 How many MB are there in 3 GB?
27. 27.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) select all (c) copy (d) save
28. 28.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+A
29. 29.💾 How many MB are there in 2 GB?
30. 30.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
31. 31.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) copy (c) save (d) create
32. 32.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
33. 33.🧩 Is a mouse hardware or software? (a) hardware (b) software
34. 34.🔍 Which is the odd one out? (a) a mouse (b) a calculator app (c) a pen drive (d) a keyboard
35. 35.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) paper storage (d) box storage
36. 36.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
37. 37.Which file ending is a sound? (a) .txt (b) .gif (c) .mp4 (d) .mp3
38. 38.🧩 Is a hard disk hardware or software? (a) software (b) hardware
39. 39.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
40. 40.🧩 Is a typing tutor hardware or software? (a) hardware (b) software

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