Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 685 · 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.True or false: a speaker is software. (a) False (b) True
2. 2.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
4. 4.✋ Which can we touch: hardware or software? (a) hardware (b) software
5. 5.💾 How many KB are there in 1 MB?
6. 6.🧩 Is a keyboard hardware or software? (a) software (b) hardware
7. 7.True or false: a keyboard is software. (a) False (b) True
8. 8.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) redo (c) print (d) cut
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) bit (d) GB
10. 10.True or false: to save a file means to store your work. (a) True (b) False
11. 11.True or false: a printer is software. (a) True (b) False
12. 12.Which of these is true of RAM? (a) keeps photos for years (b) loses data when off (c) keeps your saved files (d) is permanent storage
13. 13.True or false: a pen drive is hardware. (a) False (b) True
14. 14.Which of these is hardware? (a) a paint program (b) a calculator app (c) a computer game (d) a printer
15. 15.🔍 Which is the odd one out? (a) an operating system (b) a calculator app (c) a typing tutor (d) a pen drive
16. 16.What does it mean to rename a file? (a) make a brand-new one (b) get rid of it (c) keep your work for later (d) change its name
17. 17.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) keeps photos for years
18. 18.Which file ending is a picture? (a) .mkv (b) .jpg (c) .avi (d) .pdf
19. 19.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
20. 20.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
21. 21.🧩 Is a paint program hardware or software? (a) software (b) hardware
22. 22.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
23. 23.🔍 Which is the odd one out? (a) a paint program (b) a printer (c) a word processor (d) a typing tutor
24. 24.Which of these is an input device? (a) keyboard (b) printer (c) hard disk (d) speaker
25. 25.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a word processor (d) a typing tutor
26. 26.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
27. 27.What does it mean to create a file? (a) store your work (b) throw it away (c) make a brand-new one (d) keep your work for later
28. 28.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
29. 29.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) paste (c) copy (d) redo
30. 30.💾 How many bytes are there in 2 KB?
31. 31.True or false: a calculator app is hardware. (a) True (b) False
32. 32.🧩 Is a hard disk hardware or software? (a) hardware (b) software
33. 33.💾 How many bits are there in 3 bytes?
34. 34.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) save (c) select all (d) redo
35. 35.True or false: RAM holds apps that are open. (a) False (b) True
36. 36.True or false: to create a file means to give it a new name. (a) False (b) True
37. 37.True or false: an operating system is software. (a) False (b) True
38. 38.Which of these is software? (a) a speaker (b) a paint program (c) a printer (d) a webcam
39. 39.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
40. 40.Which of these is an output device? (a) keyboard (b) pen drive (c) solid-state drive (d) speaker

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