Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 364 · 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 byte? (a) 1 byte (b) 1 GB
2. 2.🔍 Which is the odd one out? (a) mouse (b) speaker (c) monitor (d) printer
3. 3.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
4. 4.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) save (c) copy (d) print
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
6. 6.True or false: Ctrl+C is the shortcut to print. (a) True (b) False
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
8. 8.True or false: a paint program is hardware. (a) False (b) True
9. 9.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
10. 10.True or false: to save a file means to throw it away. (a) True (b) False
11. 11.💾 How many MB are there in 1 GB?
12. 12.True or false: to save a file means to change its name. (a) False (b) True
13. 13.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
14. 14.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) keeps data when off (d) is temporary memory
15. 15.💾 How many MB are there in 2 GB?
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) redo (c) paste (d) undo
17. 17.Which of these is a storage device? (a) printer (b) projector (c) mouse (d) hard disk
18. 18.Which file ending is a video? (a) .wav (b) .mkv (c) .pdf (d) .txt
19. 19.True or false: to delete a file means to get rid of it. (a) True (b) False
20. 20.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
21. 21.✋ Which can we touch: hardware or software? (a) hardware (b) software
22. 22.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
23. 23.Which of these is an input device? (a) memory card (b) monitor (c) scanner (d) hard disk
24. 24.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) save (c) print (d) select
25. 25.Which of these is software? (a) a web browser (b) a pen drive (c) a hard disk (d) a monitor
26. 26.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) screws (d) instructions
27. 27.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
28. 28.💾 How many KB are there in 4 MB?
29. 29.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
30. 30.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
31. 31.True or false: Ctrl+P is the shortcut to cut. (a) False (b) True
32. 32.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+S
33. 33.What does it mean to move a file? (a) keep your work for later (b) change its name (c) put it in another place (d) store your work
34. 34.True or false: an operating system is hardware. (a) True (b) False
35. 35.True or false: to create a file means to see what is inside. (a) True (b) False
36. 36.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+X (d) Ctrl+S
37. 37.🔍 Which is the odd one out? (a) mouse (b) printer (c) scanner (d) keyboard
38. 38.True or false: a microphone is an output device. (a) True (b) False
39. 39.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
40. 40.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte

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