Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 805 · 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 bit or 1 GB? (a) 1 bit (b) 1 GB
2. 2.Which of these is hardware? (a) a web browser (b) a computer game (c) a music player app (d) a hard disk
3. 3.True or false: to save a file means to keep your work for later. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a speaker (b) a monitor (c) a keyboard (d) a paint program
5. 5.True or false: RAM keeps photos for years. (a) False (b) True
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.Which of these is an input device? (a) pen drive (b) solid-state drive (c) keyboard (d) speaker
8. 8.🧩 Is a scanner hardware or software? (a) hardware (b) software
9. 9.🔍 Which is the odd one out? (a) hard disk (b) keyboard (c) microphone (d) scanner
10. 10.What does it mean to rename a file? (a) throw it away (b) change its name (c) get rid of it (d) see what is inside
11. 11.💾 How many KB are there in 3 MB?
12. 12.True or false: a paint program is hardware. (a) True (b) False
13. 13.Which file ending is a document? (a) .mkv (b) .txt (c) .mp3 (d) .avi
14. 14.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an output device (c) an input device
15. 15.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an output device (c) an input device
16. 16.True or false: a pen drive is hardware. (a) False (b) True
17. 17.Which file ending is a picture? (a) .mp3 (b) .txt (c) .mp4 (d) .jpg
18. 18.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
19. 19.Which of these is a storage device? (a) printer (b) mouse (c) projector (d) memory card
20. 20.Which of these is hardware? (a) a monitor (b) a music player app (c) a typing tutor (d) a paint program
21. 21.True or false: Ctrl+C is the shortcut to redo. (a) True (b) False
22. 22.True or false: a hard disk is software. (a) False (b) True
23. 23.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
24. 24.💾 How many bits are there in 9 bytes?
25. 25.True or false: RAM is permanent storage. (a) True (b) False
26. 26.🧩 Is a web browser hardware or software? (a) hardware (b) software
27. 27.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
28. 28.🔍 Which is the odd one out? (a) an operating system (b) a typing tutor (c) a paint program (d) a mouse
29. 29.🔍 Which is the odd one out? (a) a hard disk (b) a music player app (c) a mouse (d) a pen drive
30. 30.💾 How many GB are there in 1 TB?
31. 31.💾 How many GB are there in 2 TB?
32. 32.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) save (c) move (d) copy
33. 33.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
34. 34.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) the hard disk (d) RAM
35. 35.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
36. 36.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
37. 37.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
38. 38.Which file ending is a picture? (a) .pdf (b) .mp3 (c) .avi (d) .gif
39. 39.Which of these is hardware? (a) a computer game (b) a scanner (c) a typing tutor (d) a calculator app
40. 40.What does it mean to move a file? (a) give it a new name (b) make a brand-new one (c) throw it away (d) put it in another place

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