Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 9 · 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 word processor (b) a music player app (c) a paint program (d) a hard disk
2. 2.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) save (c) copy (d) undo
3. 3.True or false: Ctrl+X is the shortcut to save. (a) True (b) False
4. 4.Which file ending is a picture? (a) .wav (b) .txt (c) .png (d) .mp3
5. 5.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) RAM (d) a memory card
6. 6.🧩 Is a music player app hardware or software? (a) hardware (b) software
7. 7.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
8. 8.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
9. 9.True or false: a solid-state drive is an input device. (a) True (b) False
10. 10.Which file ending is a video? (a) .pdf (b) .mp3 (c) .jpg (d) .avi
11. 11.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
12. 12.True or false: a monitor is an output device. (a) False (b) True
13. 13.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
14. 14.Which of these is true of RAM? (a) is permanent storage (b) is the working memory (c) keeps your saved files (d) keeps data when off
15. 15.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
16. 16.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
17. 17.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
18. 18.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
19. 19.🧩 Is a printer hardware or software? (a) hardware (b) software
20. 20.True or false: a solid-state drive is an output device. (a) True (b) False
21. 21.Which of these is software? (a) a scanner (b) a web browser (c) a pen drive (d) a keyboard
22. 22.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
23. 23.True or false: to rename a file means to get rid of it. (a) False (b) True
24. 24.🧩 Is a hard disk hardware or software? (a) software (b) hardware
25. 25.🔍 Which is the odd one out? (a) a keyboard (b) a speaker (c) a calculator app (d) a scanner
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.What does it mean to save a file? (a) make an exact twin (b) throw it away (c) keep your work for later (d) see what is inside
28. 28.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+A (d) Ctrl+C
29. 29.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
30. 30.Which file ending is a document? (a) .wav (b) .avi (c) .txt (d) .gif
31. 31.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
32. 32.💾 How many MB are there in 2 GB?
33. 33.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
34. 34.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
35. 35.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
36. 36.True or false: a printer is hardware. (a) False (b) True
37. 37.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
38. 38.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
39. 39.💾 How many GB are there in 1 TB?
40. 40.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit

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