Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 338 · 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 scanner (c) a typing tutor (d) a calculator app
2. 2.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+P (d) Ctrl+S
3. 3.Which file ending is a video? (a) .wav (b) .txt (c) .mp4 (d) .jpg
4. 4.What does it mean to copy a file? (a) get rid of it (b) make an exact twin (c) put it in another place (d) change its name
5. 5.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
6. 6.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
7. 7.🧩 Is a computer game hardware or software? (a) software (b) hardware
8. 8.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) select all (c) cut (d) redo
9. 9.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
10. 10.True or false: Ctrl+A is the shortcut to redo. (a) True (b) False
11. 11.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
12. 12.True or false: RAM keeps data when off. (a) True (b) False
13. 13.💾 How many MB are there in 3 GB?
14. 14.🔍 Which is the odd one out? (a) a printer (b) a monitor (c) a web browser (d) a pen drive
15. 15.✋ Which can we touch: hardware or software? (a) hardware (b) software
16. 16.True or false: to delete a file means to get rid of it. (a) True (b) False
17. 17.What does it mean to create a file? (a) get rid of it (b) make a brand-new one (c) keep your work for later (d) make an exact twin
18. 18.Which of these is software? (a) a scanner (b) a webcam (c) a monitor (d) a typing tutor
19. 19.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
20. 20.True or false: to save a file means to store your work. (a) False (b) True
21. 21.💾 How many bytes are there in 3 KB?
22. 22.Which file ending is a document? (a) .txt (b) .mkv (c) .png (d) .mp3
23. 23.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
24. 24.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
25. 25.Which of these is hardware? (a) a paint program (b) a mouse (c) a word processor (d) a music player app
26. 26.Which of these is hardware? (a) a music player app (b) a word processor (c) a monitor (d) a calculator app
27. 27.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
28. 28.True or false: to rename a file means to see what is inside. (a) True (b) False
29. 29.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
30. 30.🧩 Is a paint program hardware or software? (a) software (b) hardware
31. 31.Which of these is a storage device? (a) monitor (b) solid-state drive (c) printer (d) microphone
32. 32.Which of these is software? (a) a printer (b) a calculator app (c) a keyboard (d) a webcam
33. 33.Which file ending is a sound? (a) .jpg (b) .gif (c) .png (d) .wav
34. 34.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+X
35. 35.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
36. 36.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
37. 37.True or false: a speaker is a storage device. (a) False (b) True
38. 38.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
39. 39.🧩 Is a pen drive hardware or software? (a) hardware (b) software
40. 40.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) water plants (d) cook food

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