Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 771 · 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 the odd one out? (a) keyboard (b) speaker (c) scanner (d) mouse
2. 2.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) keyboard (d) memory card
3. 3.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
4. 4.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
5. 5.Which of these is an output device? (a) solid-state drive (b) scanner (c) memory card (d) speaker
6. 6.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
7. 7.Which of these is hardware? (a) a calculator app (b) a printer (c) a paint program (d) a web browser
8. 8.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
9. 9.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is permanent storage (c) loses data when off (d) is the working memory
10. 10.🔍 Which is the odd one out? (a) a speaker (b) a monitor (c) a pen drive (d) a paint program
11. 11.Which of these is an output device? (a) pen drive (b) memory card (c) printer (d) scanner
12. 12.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False
13. 13.True or false: a speaker is software. (a) True (b) False
14. 14.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
15. 15.💾 How many bits are there in 8 bytes?
16. 16.🧩 Is a keyboard hardware or software? (a) software (b) hardware
17. 17.True or false: to create a file means to store your work. (a) True (b) False
18. 18.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+A (c) Ctrl+P (d) Ctrl+Y
19. 19.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
20. 20.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
21. 21.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Copy (d) Redo
22. 22.📁 Which word means to “put it in another place” (for a file or folder)? (a) delete (b) move (c) open (d) create
23. 23.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) copy (c) paste (d) cut
24. 24.True or false: a computer game is hardware. (a) False (b) True
25. 25.True or false: RAM is temporary memory. (a) True (b) False
26. 26.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
27. 27.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) save (c) undo (d) cut
28. 28.🧩 Is a pen drive hardware or software? (a) hardware (b) software
29. 29.True or false: to rename a file means to give it a new name. (a) True (b) False
30. 30.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) create (c) move (d) rename
31. 31.Which of these is an output device? (a) monitor (b) scanner (c) pen drive (d) mouse
32. 32.💾 How many GB are there in 1 TB?
33. 33.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
34. 34.✋ Which can we touch: hardware or software? (a) software (b) hardware
35. 35.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
36. 36.True or false: to delete a file means to throw it away. (a) True (b) False
37. 37.True or false: a typing tutor is hardware. (a) False (b) True
38. 38.🧩 Is a computer game hardware or software? (a) hardware (b) software
39. 39.True or false: a microphone is a storage device. (a) True (b) False
40. 40.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device

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