Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 166 · 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.🧩 Is a calculator app hardware or software? (a) hardware (b) software
2. 2.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
3. 3.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) cook food (d) type and edit text
4. 4.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) copy (c) rename (d) delete
5. 5.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
6. 6.True or false: a memory card is a storage device. (a) True (b) False
7. 7.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
8. 8.Which file ending is a picture? (a) .wav (b) .txt (c) .mp3 (d) .gif
9. 9.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
10. 10.🧩 Is a pen drive hardware or software? (a) hardware (b) software
11. 11.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
12. 12.Which file ending is a video? (a) .gif (b) .jpg (c) .pdf (d) .mkv
13. 13.🧩 Is a keyboard hardware or software? (a) software (b) hardware
14. 14.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
15. 15.🔍 Which is the odd one out? (a) a typing tutor (b) a music player app (c) an operating system (d) a pen drive
16. 16.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+S
17. 17.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) print (c) undo (d) cut
18. 18.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
19. 19.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
20. 20.🔍 Which is the odd one out? (a) a webcam (b) a web browser (c) a monitor (d) a scanner
21. 21.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
22. 22.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
23. 23.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
24. 24.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
25. 25.True or false: RAM keeps your saved files. (a) True (b) False
26. 26.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) cut (c) print (d) select all
27. 27.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) plumbers (d) programmers
28. 28.💾 How many bits are there in 7 bytes?
29. 29.What does it mean to rename a file? (a) make a brand-new one (b) change its name (c) make an exact twin (d) get rid of it
30. 30.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) delete (c) rename (d) open
31. 31.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
32. 32.True or false: Ctrl+C is the shortcut to undo. (a) False (b) True
33. 33.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
34. 34.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) cut (c) paste (d) select all
35. 35.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
36. 36.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) copy (c) rename (d) open
37. 37.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) redo (c) undo (d) paste
38. 38.Which of these is software? (a) a keyboard (b) a monitor (c) a music player app (d) a webcam
39. 39.🧩 Is a web browser hardware or software? (a) software (b) hardware
40. 40.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) keeps photos for years (d) is temporary memory

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