Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 229 · 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.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
2. 2.🧩 Is a web browser hardware or software? (a) hardware (b) software
3. 3.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) keeps your saved files (d) loses data when off
4. 4.True or false: to rename a file means to give it a new name. (a) False (b) True
5. 5.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
6. 6.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+S (d) Ctrl+A
7. 7.Which of these is a storage device? (a) monitor (b) hard disk (c) mouse (d) projector
8. 8.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
9. 9.Which file ending is a sound? (a) .jpg (b) .mp3 (c) .txt (d) .png
10. 10.Which file ending is a video? (a) .gif (b) .pdf (c) .mp3 (d) .avi
11. 11.Which of these is an input device? (a) microphone (b) hard disk (c) speaker (d) solid-state drive
12. 12.💾 How many bits are there in 5 bytes?
13. 13.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
14. 14.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+C
15. 15.What does it mean to delete a file? (a) store your work (b) get rid of it (c) make an exact twin (d) make a brand-new one
16. 16.💾 How many MB are there in 1 GB?
17. 17.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) cut (c) copy (d) redo
18. 18.True or false: Ctrl+C is the shortcut to select all. (a) False (b) True
19. 19.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
20. 20.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) name (d) weight
21. 21.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
22. 22.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
23. 23.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) save (c) copy (d) paste
24. 24.📁 Which word means to “get rid of it” (for a file or folder)? (a) create (b) copy (c) rename (d) delete
25. 25.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.Which file ending is a picture? (a) .mp4 (b) .mkv (c) .jpg (d) .avi
28. 28.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) undo (c) cut (d) print
29. 29.💾 How many bits are there in 8 bytes?
30. 30.🔍 Which is the odd one out? (a) a scanner (b) a keyboard (c) a calculator app (d) a monitor
31. 31.True or false: a keyboard is software. (a) True (b) False
32. 32.True or false: a web browser is software. (a) False (b) True
33. 33.🧩 Is a speaker hardware or software? (a) hardware (b) software
34. 34.🔍 Which is the odd one out? (a) a word processor (b) a calculator app (c) a pen drive (d) a typing tutor
35. 35.🔍 Which is the odd one out? (a) a pen drive (b) a music player app (c) a hard disk (d) a mouse
36. 36.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) rename (c) save (d) move
37. 37.🧩 Is an operating system hardware or software? (a) hardware (b) software
38. 38.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the pen drive (c) the hard disk (d) the memory card
39. 39.💾 How many GB are there in 1 TB?
40. 40.What does it mean to save a file? (a) throw it away (b) keep your work for later (c) see what is inside (d) give it a new name

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