Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 952 · 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 hardware? (a) a music player app (b) a typing tutor (c) a web browser (d) a webcam
2. 2.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
3. 3.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
4. 4.Which of these is software? (a) a pen drive (b) a web browser (c) a scanner (d) a speaker
5. 5.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
6. 6.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) create (c) open (d) save
7. 7.Which of these is software? (a) a scanner (b) a speaker (c) a printer (d) a paint program
8. 8.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
9. 9.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) save (c) print (d) copy
10. 10.🧩 Is a scanner hardware or software? (a) hardware (b) software
11. 11.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
12. 12.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
13. 13.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
14. 14.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Copy (d) Undo
15. 15.🧩 Is a printer hardware or software? (a) software (b) hardware
16. 16.Which file ending is a picture? (a) .wav (b) .gif (c) .mkv (d) .avi
17. 17.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
18. 18.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) screws (d) instructions
19. 19.Which of these is software? (a) an operating system (b) a webcam (c) a printer (d) a mouse
20. 20.Which file ending is a sound? (a) .mkv (b) .wav (c) .gif (d) .txt
21. 21.Which of these is an input device? (a) pen drive (b) mouse (c) projector (d) memory card
22. 22.True or false: a mouse is hardware. (a) True (b) False
23. 23.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) cook food (d) fly a kite
24. 24.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
25. 25.🧩 Is a pen drive hardware or software? (a) software (b) hardware
26. 26.True or false: to delete a file means to store your work. (a) True (b) False
27. 27.True or false: to delete a file means to get rid of it. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) pen drive (d) speaker
29. 29.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) select all (c) paste (d) undo
30. 30.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
31. 31.Which of these is true of RAM? (a) is the working memory (b) is permanent storage (c) keeps your saved files (d) keeps data when off
32. 32.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
33. 33.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
34. 34.Which of these is hardware? (a) a paint program (b) an operating system (c) a mouse (d) a calculator app
35. 35.What does it mean to open a file? (a) throw it away (b) change its name (c) keep your work for later (d) see what is inside
36. 36.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+X (d) Ctrl+C
37. 37.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) holds apps that are open (d) keeps photos for years
38. 38.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
39. 39.True or false: to move a file means to put it in another place. (a) True (b) False
40. 40.True or false: a pen drive is hardware. (a) True (b) False

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