Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 786 · 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 of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is the working memory (c) keeps your saved files (d) is temporary memory
2. 2.True or false: a memory card is a storage device. (a) False (b) True
3. 3.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
4. 4.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
5. 5.🔍 Which is the odd one out? (a) projector (b) pen drive (c) monitor (d) printer
6. 6.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
7. 7.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
8. 8.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
9. 9.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) paste (c) print (d) select all
10. 10.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
11. 11.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
12. 12.Which of these is software? (a) a web browser (b) a webcam (c) a speaker (d) a printer
13. 13.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
14. 14.True or false: Ctrl+Y is the shortcut to cut. (a) True (b) False
15. 15.True or false: a mouse is hardware. (a) False (b) True
16. 16.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
17. 17.🧩 Is a scanner hardware or software? (a) software (b) hardware
18. 18.💾 How many bytes are there in 1 KB?
19. 19.🧩 Is an operating system hardware or software? (a) hardware (b) software
20. 20.What does it mean to rename a file? (a) get rid of it (b) store your work (c) put it in another place (d) give it a new name
21. 21.💾 How many KB are there in 1 MB?
22. 22.True or false: RAM keeps photos for years. (a) False (b) True
23. 23.🧩 Is a pen drive hardware or software? (a) hardware (b) software
24. 24.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) cut (c) print (d) save
25. 25.🔍 Which is the odd one out? (a) a speaker (b) a word processor (c) a mouse (d) a pen drive
26. 26.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
27. 27.Which of these is true of RAM? (a) keeps data when off (b) is temporary memory (c) keeps your saved files (d) is permanent storage
28. 28.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
29. 29.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
30. 30.Which of these is true of RAM? (a) holds apps that are open (b) keeps your saved files (c) keeps photos for years (d) keeps data when off
31. 31.Which of these is hardware? (a) a typing tutor (b) a scanner (c) a word processor (d) a paint program
32. 32.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
33. 33.Which of these is software? (a) a speaker (b) a calculator app (c) a pen drive (d) a webcam
34. 34.What does it mean to move a file? (a) make an exact twin (b) get rid of it (c) put it in another place (d) store your work
35. 35.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
36. 36.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
37. 37.True or false: a mouse is a storage device. (a) True (b) False
38. 38.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) copy (c) print (d) save
39. 39.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a printer (d) a speaker
40. 40.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+S (d) Ctrl+V

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