Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 558 · 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 is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
2. 2.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
3. 3.Which of these is software? (a) a monitor (b) a computer game (c) a webcam (d) a speaker
4. 4.🧩 Is a pen drive hardware or software? (a) hardware (b) software
5. 5.Which of these is software? (a) a printer (b) a music player app (c) a mouse (d) a monitor
6. 6.💾 How many bytes are there in 2 KB?
7. 7.Which of these is hardware? (a) a music player app (b) a word processor (c) a webcam (d) an operating system
8. 8.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
9. 9.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
10. 10.Which shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+C
11. 11.What does it mean to move a file? (a) change its name (b) get rid of it (c) put it in another place (d) give it a new name
12. 12.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) print (c) select all (d) copy
13. 13.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) holds apps that are open (d) keeps your saved files
14. 14.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
15. 15.💾 How many bits are there in 10 bytes?
16. 16.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) undo (c) paste (d) select all
17. 17.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
18. 18.Which of these is an input device? (a) pen drive (b) solid-state drive (c) printer (d) microphone
19. 19.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) select (d) print
20. 20.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
21. 21.🧩 Is a hard disk hardware or software? (a) software (b) hardware
22. 22.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
23. 23.What does it mean to copy a file? (a) keep your work for later (b) make an exact twin (c) put it in another place (d) throw it away
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.💾 How many GB are there in 2 TB?
26. 26.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) save (c) copy (d) delete
27. 27.🧰 Is a memory card a storage, input or output device? (a) an input device (b) an output device (c) a storage device
28. 28.Which of these is hardware? (a) a word processor (b) a hard disk (c) a paint program (d) a typing tutor
29. 29.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) redo (c) select all (d) cut
30. 30.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
31. 31.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) screws (d) wires
32. 32.🔍 Which is the odd one out? (a) a webcam (b) a keyboard (c) an operating system (d) a speaker
33. 33.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
34. 34.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
35. 35.🔍 Which is the odd one out? (a) speaker (b) projector (c) monitor (d) scanner
36. 36.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
37. 37.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+S (d) Ctrl+P
38. 38.Which of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) is permanent storage (d) holds apps that are open
39. 39.Which file ending is a document? (a) .pdf (b) .gif (c) .wav (d) .jpg
40. 40.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound

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