Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 77 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
3. 3.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
4. 4.True or false: a calculator app is software. (a) False (b) True
5. 5.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
6. 6.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Redo (c) Copy (d) Cut
7. 7.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
8. 8.True or false: a mouse is software. (a) True (b) False
9. 9.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) holds apps that are open (d) is permanent storage
10. 10.🔍 Which is the odd one out? (a) a webcam (b) a computer game (c) a typing tutor (d) a word processor
11. 11.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
12. 12.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
13. 13.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) holds apps that are open (d) keeps your saved files
14. 14.True or false: to rename a file means to give it a new name. (a) True (b) False
15. 15.True or false: to delete a file means to throw it away. (a) True (b) False
16. 16.Which file ending is a document? (a) .png (b) .gif (c) .pdf (d) .mp4
17. 17.Which of these is software? (a) a paint program (b) a hard disk (c) a speaker (d) a webcam
18. 18.🧩 Is a scanner hardware or software? (a) hardware (b) software
19. 19.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) open (c) delete (d) create
20. 20.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
21. 21.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
22. 22.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
23. 23.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
24. 24.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) an output device (c) a storage device
25. 25.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
26. 26.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) mouse (d) hard disk
27. 27.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Copy (c) Undo (d) Delete
28. 28.True or false: a pen drive is hardware. (a) False (b) True
29. 29.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+Z
30. 30.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
31. 31.Which of these is hardware? (a) a word processor (b) an operating system (c) a web browser (d) a webcam
32. 32.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) create (c) delete (d) save
33. 33.🧩 Is a calculator app hardware or software? (a) hardware (b) software
34. 34.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+X (d) Ctrl+Y
35. 35.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) paste (c) save (d) select all
36. 36.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
37. 37.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
38. 38.🔍 Which is the odd one out? (a) a hard disk (b) a scanner (c) a word processor (d) a speaker
39. 39.True or false: Ctrl+Z is the shortcut to redo. (a) True (b) False
40. 40.Which file ending is a video? (a) .wav (b) .mkv (c) .png (d) .txt

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