Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 132 · 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 GB or 1 bit? (a) 1 GB (b) 1 bit
2. 2.True or false: a scanner is software. (a) True (b) False
3. 3.Which file ending is a picture? (a) .jpg (b) .pdf (c) .txt (d) .mp3
4. 4.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
5. 5.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+P (d) Ctrl+S
6. 6.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
7. 7.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
8. 8.Which of these is hardware? (a) a calculator app (b) a hard disk (c) a web browser (d) a word processor
9. 9.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) hard disk (d) monitor
10. 10.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
11. 11.💾 How many bytes are there in 2 KB?
12. 12.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
13. 13.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
14. 14.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) save (c) paste (d) redo
15. 15.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
16. 16.True or false: a memory card is a storage device. (a) False (b) True
17. 17.💾 How many KB are there in 4 MB?
18. 18.Which of these is true of RAM? (a) loses data when off (b) keeps data when off (c) is permanent storage (d) keeps your saved files
19. 19.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
20. 20.Which file ending is a document? (a) .wav (b) .txt (c) .gif (d) .mkv
21. 21.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
22. 22.🔍 Which is the odd one out? (a) a music player app (b) a scanner (c) a monitor (d) a speaker
23. 23.True or false: to copy a file means to store your work. (a) True (b) False
24. 24.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
25. 25.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) paste (c) print (d) redo
26. 26.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a printer (d) a pen drive
27. 27.💾 How many bytes are there in 3 KB?
28. 28.True or false: to delete a file means to get rid of it. (a) True (b) False
29. 29.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) print (c) save (d) select all
30. 30.🧩 Is a web browser hardware or software? (a) software (b) hardware
31. 31.True or false: to rename a file means to make an exact twin. (a) False (b) True
32. 32.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
33. 33.Which file ending is a picture? (a) .txt (b) .wav (c) .mkv (d) .png
34. 34.💾 How many KB are there in 3 MB?
35. 35.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
36. 36.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
37. 37.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
38. 38.💾 How many GB are there in 2 TB?
39. 39.🔍 Which is the odd one out? (a) hard disk (b) printer (c) pen drive (d) solid-state drive
40. 40.True or false: a memory card is an output device. (a) True (b) False

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