Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 21 · 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 shortcut do we press to print? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+C
2. 2.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
3. 3.True or false: Ctrl+Z is the shortcut to redo. (a) True (b) False
4. 4.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) print (c) paste (d) redo
5. 5.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
6. 6.True or false: to create a file means to keep your work for later. (a) False (b) True
7. 7.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) save (c) create (d) open
8. 8.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
9. 9.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+I (c) Ctrl+B (d) Ctrl+U
10. 10.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
11. 11.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+C
12. 12.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) select all (c) paste (d) copy
13. 13.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
14. 14.✋ Which can we touch: hardware or software? (a) software (b) hardware
15. 15.Which of these is software? (a) a computer game (b) a keyboard (c) a hard disk (d) a webcam
16. 16.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell
17. 17.💾 How many bytes are there in 4 KB?
18. 18.💾 How many bits are there in 2 bytes?
19. 19.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+A (d) Ctrl+Z
20. 20.🧩 Is a monitor hardware or software? (a) software (b) hardware
21. 21.🧩 Is a computer game hardware or software? (a) software (b) hardware
22. 22.True or false: a pen drive is software. (a) False (b) True
23. 23.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a printer (d) a pen drive
24. 24.💾 How many KB are there in 1 MB?
25. 25.True or false: an operating system is software. (a) False (b) True
26. 26.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) water plants (d) type and edit text
27. 27.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) open (c) delete (d) rename
28. 28.True or false: a solid-state drive is an input device. (a) True (b) False
29. 29.True or false: a speaker is software. (a) False (b) True
30. 30.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
31. 31.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
32. 32.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
33. 33.Which file ending is a picture? (a) .png (b) .txt (c) .avi (d) .wav
34. 34.Which of these is hardware? (a) a word processor (b) a computer game (c) a calculator app (d) a webcam
35. 35.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) paste (c) select all (d) print
36. 36.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+P
37. 37.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
38. 38.🧩 Is a calculator app hardware or software? (a) hardware (b) software
39. 39.📁 Which word means to “make an exact twin” (for a file or folder)? (a) move (b) delete (c) copy (d) open
40. 40.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+S (d) Ctrl+Y

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