Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 494 · 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 is the blinking line that shows where you will type? (a) the cursor (b) the toolbar (c) the folder (d) the icon
2. 2.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
3. 3.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) print (c) cut (d) redo
4. 4.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
6. 6.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
7. 7.💾 How many bytes are there in 1 KB?
8. 8.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
9. 9.🔍 Which is the odd one out? (a) a webcam (b) a scanner (c) a calculator app (d) a mouse
10. 10.True or false: a paint program is hardware. (a) False (b) True
11. 11.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
12. 12.🔍 Which is the odd one out? (a) a monitor (b) a keyboard (c) a hard disk (d) a web browser
13. 13.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
14. 14.True or false: a webcam is software. (a) True (b) False
15. 15.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+V (d) Ctrl+S
16. 16.Which of these is a storage device? (a) hard disk (b) projector (c) keyboard (d) monitor
17. 17.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) smell (d) taste
18. 18.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) pen drive (d) monitor
19. 19.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
20. 20.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
21. 21.💾 How many KB are there in 4 MB?
22. 22.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
23. 23.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is temporary memory (d) keeps data when off
24. 24.True or false: a typing tutor is software. (a) True (b) False
25. 25.Which shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+V
26. 26.Which file ending is a sound? (a) .png (b) .mp4 (c) .wav (d) .pdf
27. 27.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Delete (d) Undo
28. 28.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+X
29. 29.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
30. 30.What does it mean to open a file? (a) store your work (b) see what is inside (c) keep your work for later (d) throw it away
31. 31.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Y
32. 32.True or false: RAM keeps data when off. (a) False (b) True
33. 33.🧩 Is a printer hardware or software? (a) software (b) hardware
34. 34.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
35. 35.True or false: a speaker is an output device. (a) False (b) True
36. 36.What does it mean to copy a file? (a) see what is inside (b) make an exact twin (c) store your work (d) give it a new name
37. 37.💾 How many KB are there in 3 MB?
38. 38.True or false: RAM is temporary memory. (a) False (b) True
39. 39.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
40. 40.True or false: Ctrl+P is the shortcut to cut. (a) True (b) False

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