Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 841 · 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.True or false: a word processor is software. (a) True (b) False
2. 2.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+A
3. 3.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
4. 4.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) holds apps that are open (c) loses data when off (d) is temporary memory
5. 5.Which of these is a storage device? (a) keyboard (b) scanner (c) speaker (d) pen drive
6. 6.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps data when off (d) keeps photos for years
7. 7.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
8. 8.🧩 Is a word processor hardware or software? (a) software (b) hardware
9. 9.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) monitor (d) memory card
10. 10.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
11. 11.💾 How many bytes are there in 3 KB?
12. 12.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) move (c) open (d) copy
13. 13.💾 How many KB are there in 2 MB?
14. 14.True or false: a speaker is an output device. (a) True (b) False
15. 15.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
16. 16.True or false: a keyboard is an output device. (a) False (b) True
17. 17.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
18. 18.True or false: an operating system is software. (a) True (b) False
19. 19.🧩 Is a computer game hardware or software? (a) hardware (b) software
20. 20.📄 A file name ends in .png. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
21. 21.What does it mean to rename a file? (a) make a brand-new one (b) change its name (c) store your work (d) see what is inside
22. 22.Which file ending is a picture? (a) .txt (b) .jpg (c) .mkv (d) .pdf
23. 23.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
24. 24.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
25. 25.What does it mean to copy a file? (a) get rid of it (b) put it in another place (c) throw it away (d) make an exact twin
26. 26.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
27. 27.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
28. 28.💾 How many GB are there in 1 TB?
29. 29.What does it mean to delete a file? (a) give it a new name (b) put it in another place (c) change its name (d) get rid of it
30. 30.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.💾 How many bytes are there in 2 KB?
33. 33.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
34. 34.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) redo (c) copy (d) select all
35. 35.🧰 Is a memory card a storage, input or output device? (a) an input device (b) an output device (c) a storage device
36. 36.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
37. 37.🧩 Is a mouse hardware or software? (a) hardware (b) software
38. 38.Which of these is software? (a) a keyboard (b) a scanner (c) a calculator app (d) a monitor
39. 39.What does it mean to move a file? (a) give it a new name (b) keep your work for later (c) put it in another place (d) see what is inside
40. 40.True or false: to delete a file means to keep your work for later. (a) True (b) False

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