Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 703 · 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 smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
2. 2.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
3. 3.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
4. 4.🧰 Is a speaker a storage, input or output device? (a) an output device (b) a storage device (c) an input device
5. 5.What does it mean to move a file? (a) throw it away (b) put it in another place (c) make an exact twin (d) see what is inside
6. 6.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) cut (c) print (d) undo
7. 7.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
8. 8.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
9. 9.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) RAM (d) a printer
10. 10.Which of these is software? (a) a hard disk (b) a typing tutor (c) a monitor (d) a webcam
11. 11.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
12. 12.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
13. 13.Which file ending is a picture? (a) .avi (b) .png (c) .mkv (d) .mp4
14. 14.True or false: RAM is the working memory. (a) True (b) False
15. 15.Which file ending is a document? (a) .wav (b) .png (c) .pdf (d) .mp3
16. 16.💾 How many GB are there in 2 TB?
17. 17.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps photos for years (c) is temporary memory (d) loses data when off
18. 18.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
19. 19.🔍 Which is the odd one out? (a) pen drive (b) keyboard (c) microphone (d) mouse
20. 20.True or false: storage (like a hard disk) keeps your saved files. (a) True (b) False
21. 21.Which file ending is a picture? (a) .pdf (b) .mkv (c) .jpg (d) .mp3
22. 22.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) print (c) paste (d) copy
23. 23.🔍 Which is the odd one out? (a) a hard disk (b) a word processor (c) a keyboard (d) a monitor
24. 24.🔍 Which is the odd one out? (a) speaker (b) projector (c) microphone (d) printer
25. 25.True or false: Ctrl+A is the shortcut to paste. (a) False (b) True
26. 26.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
27. 27.🧩 Is a hard disk hardware or software? (a) software (b) hardware
28. 28.🔍 Which is the odd one out? (a) pen drive (b) hard disk (c) memory card (d) monitor
29. 29.🔍 Which is the odd one out? (a) a hard disk (b) a computer game (c) a pen drive (d) a keyboard
30. 30.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
31. 31.📁 Which word means to “change its name” (for a file or folder)? (a) move (b) copy (c) rename (d) create
32. 32.🧩 Is a printer hardware or software? (a) hardware (b) software
33. 33.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) select all (c) copy (d) paste
34. 34.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) name (d) taste
35. 35.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
36. 36.🔍 Which is the odd one out? (a) a mouse (b) a speaker (c) a printer (d) a web browser
37. 37.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
38. 38.🔍 Which is the odd one out? (a) a computer game (b) a word processor (c) a typing tutor (d) a keyboard
39. 39.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
40. 40.🧰 Is a microphone a storage, input or output device? (a) an output device (b) an input device (c) a storage device

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