Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 668 · 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 paint program (b) a hard disk (c) an operating system (d) a word processor
2. 2.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
3. 3.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
4. 4.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) rename (c) copy (d) delete
5. 5.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) move (c) open (d) rename
6. 6.💾 How many bits are there in 12 bytes?
7. 7.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) rename (c) open (d) move
8. 8.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+V (d) Ctrl+X
9. 9.True or false: a mouse is software. (a) True (b) False
10. 10.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) save (c) redo (d) select all
11. 11.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
12. 12.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
13. 13.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) rename (c) create (d) save
14. 14.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
15. 15.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
16. 16.True or false: to create a file means to make a brand-new one. (a) True (b) False
17. 17.💾 How many bits are there in 5 bytes?
18. 18.💾 How many GB are there in 2 TB?
19. 19.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
20. 20.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+F (c) Ctrl+I (d) Ctrl+B
21. 21.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) holds apps that are open (c) loses data when off (d) keeps data when off
22. 22.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) undo (c) select all (d) save
23. 23.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
24. 24.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
25. 25.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) undo (c) copy (d) paste
26. 26.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a computer game (d) a calculator app
27. 27.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a keyboard (d) a web browser
28. 28.True or false: to save a file means to throw it away. (a) False (b) True
29. 29.💾 How many KB are there in 1 MB?
30. 30.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
31. 31.True or false: RAM keeps photos for years. (a) True (b) False
32. 32.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
33. 33.🧩 Is a hard disk hardware or software? (a) software (b) hardware
34. 34.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) select all (c) paste (d) undo
35. 35.💾 How many bytes are there in 2 KB?
36. 36.What does it mean to delete a file? (a) change its name (b) throw it away (c) put it in another place (d) keep your work for later
37. 37.📄 What does a word processor help us do? (a) water plants (b) cook food (c) type and edit text (d) fly a kite
38. 38.True or false: a scanner is hardware. (a) False (b) True
39. 39.🧩 Is a printer hardware or software? (a) software (b) hardware
40. 40.🧩 Is a webcam hardware or software? (a) software (b) hardware

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