Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 741 · 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 one keeps photos for years: RAM or storage? (a) storage (b) RAM
2. 2.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
3. 3.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
4. 4.🧩 Is a speaker hardware or software? (a) hardware (b) software
5. 5.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
6. 6.🔍 Which is the odd one out? (a) a printer (b) a mouse (c) a pen drive (d) a computer game
7. 7.🧩 Is a monitor hardware or software? (a) software (b) hardware
8. 8.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
9. 9.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
10. 10.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) rename (c) create (d) open
11. 11.Which file ending is a video? (a) .jpg (b) .wav (c) .pdf (d) .mp4
12. 12.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) is the working memory (c) holds apps that are open (d) loses data when off
13. 13.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+A (d) Ctrl+X
14. 14.Which of these is software? (a) a mouse (b) a word processor (c) a printer (d) a monitor
15. 15.True or false: a printer is an output device. (a) True (b) False
16. 16.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) select all (c) cut (d) print
17. 17.Which of these is a storage device? (a) solid-state drive (b) scanner (c) microphone (d) speaker
18. 18.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
19. 19.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
20. 20.Which shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+P
21. 21.💾 How many bits are there in 12 bytes?
22. 22.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
23. 23.True or false: Ctrl+P is the shortcut to paste. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) keyboard (b) memory card (c) pen drive (d) hard disk
25. 25.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps data when off (d) holds apps that are open
26. 26.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a printer (d) a computer game
27. 27.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+P (d) Ctrl+Y
28. 28.📁 Which word means to “see what is inside” (for a file or folder)? (a) rename (b) move (c) delete (d) open
29. 29.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
30. 30.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) cut (c) print (d) paste
31. 31.🧰 Is a monitor a storage, input or output device? (a) an output device (b) a storage device (c) an input device
32. 32.True or false: to open a file means to see what is inside. (a) True (b) False
33. 33.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
34. 34.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) redo (c) paste (d) select all
35. 35.Which of these is hardware? (a) an operating system (b) a scanner (c) a computer game (d) a web browser
36. 36.Which of these is hardware? (a) a web browser (b) a monitor (c) an operating system (d) a calculator app
37. 37.Which file ending is a sound? (a) .jpg (b) .pdf (c) .wav (d) .txt
38. 38.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Undo (d) Copy
39. 39.💾 How many bytes are there in 1 KB?
40. 40.True or false: a web browser is hardware. (a) False (b) True

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