Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 608 · 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 KB or 1 byte? (a) 1 KB (b) 1 byte
2. 2.What does it mean to copy a file? (a) keep your work for later (b) change its name (c) make an exact twin (d) put it in another place
3. 3.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
4. 4.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+X
5. 5.🧩 Is a pen drive hardware or software? (a) software (b) hardware
6. 6.🧰 Is a monitor a storage, input or output device? (a) an input device (b) a storage device (c) an output device
7. 7.💾 How many MB are there in 2 GB?
8. 8.🧩 Is a web browser hardware or software? (a) software (b) hardware
9. 9.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
10. 10.Which file ending is a video? (a) .txt (b) .mp3 (c) .mp4 (d) .pdf
11. 11.Which of these is hardware? (a) a calculator app (b) a scanner (c) a web browser (d) a computer game
12. 12.True or false: to move a file means to put it in another place. (a) True (b) False
13. 13.Which of these is hardware? (a) a web browser (b) a music player app (c) a mouse (d) a paint program
14. 14.Which of these is an input device? (a) projector (b) monitor (c) pen drive (d) scanner
15. 15.Which of these is an output device? (a) hard disk (b) memory card (c) monitor (d) keyboard
16. 16.Which file ending is a document? (a) .mkv (b) .mp3 (c) .avi (d) .txt
17. 17.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+V (d) Ctrl+S
18. 18.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
19. 19.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
20. 20.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
21. 21.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
22. 22.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
23. 23.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+Z
24. 24.💾 How many bits are there in 10 bytes?
25. 25.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.True or false: Ctrl+P is the shortcut to select all. (a) False (b) True
28. 28.💾 How many GB are there in 1 TB?
29. 29.True or false: Ctrl+X is the shortcut to save. (a) False (b) True
30. 30.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
31. 31.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
32. 32.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
33. 33.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
34. 34.True or false: Ctrl+C is the shortcut to cut. (a) False (b) True
35. 35.True or false: Ctrl+X is the shortcut to paste. (a) True (b) False
36. 36.True or false: a scanner is an input device. (a) True (b) False
37. 37.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) copy (d) save
38. 38.🧩 Is a calculator app hardware or software? (a) hardware (b) software
39. 39.🔍 Which is the odd one out? (a) a monitor (b) a keyboard (c) a typing tutor (d) a hard disk
40. 40.🔍 Which is the odd one out? (a) a hard disk (b) a printer (c) a web browser (d) a speaker

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