Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 623 · 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 is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
2. 2.True or false: a music player app is software. (a) True (b) False
3. 3.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
4. 4.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
5. 5.True or false: a word processor is software. (a) True (b) False
6. 6.🧩 Is a calculator app hardware or software? (a) software (b) hardware
7. 7.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
8. 8.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
9. 9.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
10. 10.What does it mean to create a file? (a) keep your work for later (b) throw it away (c) make a brand-new one (d) store your work
11. 11.🔍 Which is the odd one out? (a) a pen drive (b) a mouse (c) a keyboard (d) an operating system
12. 12.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
13. 13.True or false: to delete a file means to get rid of it. (a) False (b) True
14. 14.💾 How many GB are there in 1 TB?
15. 15.💾 How many bytes are there in 4 KB?
16. 16.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) microphone (d) pen drive
17. 17.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
18. 18.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
19. 19.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
20. 20.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) redo (c) paste (d) select all
21. 21.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) move (c) copy (d) create
22. 22.🧩 Is a word processor hardware or software? (a) hardware (b) software
23. 23.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
24. 24.🧩 Is a paint program hardware or software? (a) software (b) hardware
25. 25.✋ Which can we touch: hardware or software? (a) software (b) hardware
26. 26.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
27. 27.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
28. 28.🔍 Which is the odd one out? (a) a monitor (b) a paint program (c) a webcam (d) a keyboard
29. 29.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
30. 30.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a computer game (d) a keyboard
31. 31.True or false: Ctrl+V is the shortcut to redo. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a calculator app (b) a scanner (c) a paint program (d) a word processor
33. 33.True or false: a keyboard is hardware. (a) False (b) True
34. 34.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
35. 35.True or false: a printer is an output device. (a) False (b) True
36. 36.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
37. 37.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is permanent storage (c) is temporary memory (d) loses data when off
38. 38.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+I (d) Ctrl+F
39. 39.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False
40. 40.💾 How many bytes are there in 3 KB?

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