Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 791 · 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 word means to “get rid of it” (for a file or folder)? (a) create (b) copy (c) save (d) delete
2. 2.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
3. 3.Which of these is true of RAM? (a) keeps your saved files (b) loses data when off (c) is permanent storage (d) keeps photos for years
4. 4.🔍 Which is the odd one out? (a) a monitor (b) a pen drive (c) a word processor (d) a speaker
5. 5.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
6. 6.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
7. 7.What does it mean to save a file? (a) make a brand-new one (b) give it a new name (c) throw it away (d) keep your work for later
8. 8.What does it mean to delete a file? (a) make an exact twin (b) make a brand-new one (c) get rid of it (d) keep your work for later
9. 9.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
10. 10.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+A
11. 11.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
12. 12.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
13. 13.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
14. 14.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
15. 15.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
16. 16.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
17. 17.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) save (c) copy (d) print
18. 18.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+C (d) Ctrl+P
19. 19.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is the working memory (d) is permanent storage
20. 20.💾 How many bits are there in 1 byte?
21. 21.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) save (c) copy (d) cut
22. 22.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) undo (c) copy (d) cut
23. 23.True or false: a keyboard is software. (a) False (b) True
24. 24.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+F (c) Ctrl+U (d) Ctrl+I
25. 25.💾 How many KB are there in 1 MB?
26. 26.🧩 Is a monitor hardware or software? (a) hardware (b) software
27. 27.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
28. 28.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
29. 29.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
30. 30.True or false: a projector is an output device. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a web browser (b) a typing tutor (c) a computer game (d) a monitor
32. 32.True or false: Ctrl+Y is the shortcut to select all. (a) True (b) False
33. 33.Which of these is software? (a) a paint program (b) a speaker (c) a pen drive (d) a hard disk
34. 34.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+V (d) Ctrl+X
35. 35.🔍 Which is the odd one out? (a) printer (b) speaker (c) projector (d) memory card
36. 36.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
37. 37.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+A
38. 38.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+V
39. 39.Which file ending is a video? (a) .avi (b) .txt (c) .pdf (d) .gif
40. 40.💾 How many bits are there in 3 bytes?

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