Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 867 · 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 bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
2. 2.🧩 Is a web browser hardware or software? (a) software (b) hardware
3. 3.Which of these is an input device? (a) monitor (b) solid-state drive (c) mouse (d) printer
4. 4.🧩 Is an operating system hardware or software? (a) hardware (b) software
5. 5.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
6. 6.What does it mean to delete a file? (a) see what is inside (b) throw it away (c) store your work (d) make a brand-new one
7. 7.🧩 Is a scanner hardware or software? (a) hardware (b) software
8. 8.💾 How many GB are there in 1 TB?
9. 9.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
10. 10.Which file ending is a picture? (a) .jpg (b) .avi (c) .mkv (d) .mp4
11. 11.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is permanent storage (c) holds apps that are open (d) is the working memory
12. 12.Which of these is software? (a) a webcam (b) a mouse (c) a computer game (d) a printer
13. 13.🧩 Is a monitor hardware or software? (a) software (b) hardware
14. 14.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+X
15. 15.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
16. 16.💾 How many bytes are there in 3 KB?
17. 17.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) cut (d) save
18. 18.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
19. 19.💾 How many MB are there in 3 GB?
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) copy (c) redo (d) print
21. 21.True or false: Ctrl+Z is the shortcut to print. (a) False (b) True
22. 22.💾 How many bytes are there in 1 KB?
23. 23.🔍 Which is the odd one out? (a) a hard disk (b) a webcam (c) a calculator app (d) a scanner
24. 24.🧩 Is a speaker hardware or software? (a) software (b) hardware
25. 25.👩‍💻 What do we call people who write software? (a) farmers (b) plumbers (c) tailors (d) programmers
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.💾 How many KB are there in 1 MB?
28. 28.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) open (c) delete (d) move
29. 29.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) save (d) print
30. 30.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
31. 31.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Cut (c) Delete (d) Redo
32. 32.💾 How many KB are there in 4 MB?
33. 33.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) copy (c) delete (d) open
34. 34.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) taste (d) weight
35. 35.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
36. 36.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
37. 37.Which of these is software? (a) a printer (b) a hard disk (c) a scanner (d) a word processor
38. 38.True or false: to copy a file means to get rid of it. (a) True (b) False
39. 39.True or false: a hard disk is hardware. (a) False (b) True
40. 40.True or false: a mouse is software. (a) True (b) False

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