Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 815 · 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 word means to “change its name” (for a file or folder)? (a) move (b) open (c) copy (d) rename
2. 2.Which of these is software? (a) a paint program (b) a printer (c) a monitor (d) a mouse
3. 3.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
4. 4.What does it mean to move a file? (a) give it a new name (b) change its name (c) put it in another place (d) see what is inside
5. 5.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
6. 6.Which of these is hardware? (a) a pen drive (b) a computer game (c) a paint program (d) a web browser
7. 7.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
8. 8.True or false: a webcam is software. (a) False (b) True
9. 9.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) save (c) delete (d) move
10. 10.Which of these is software? (a) a printer (b) a hard disk (c) a music player app (d) a mouse
11. 11.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
12. 12.🔍 Which is the odd one out? (a) a webcam (b) a typing tutor (c) an operating system (d) a web browser
13. 13.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
14. 14.💾 How many bits are there in 4 bytes?
15. 15.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Backspace (d) Undo
16. 16.🧩 Is a word processor hardware or software? (a) hardware (b) software
17. 17.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
18. 18.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) save (c) open (d) delete
19. 19.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+P (d) Ctrl+V
20. 20.💾 How many KB are there in 1 MB?
21. 21.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
22. 22.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) paste (c) print (d) undo
23. 23.True or false: RAM loses data when off. (a) True (b) False
24. 24.🧩 Is a hard disk hardware or software? (a) hardware (b) software
25. 25.Which of these is hardware? (a) a calculator app (b) a computer game (c) a hard disk (d) a paint program
26. 26.🔍 Which is the odd one out? (a) a mouse (b) a word processor (c) a speaker (d) a pen drive
27. 27.🔍 Which is the odd one out? (a) a web browser (b) a computer game (c) a keyboard (d) an operating system
28. 28.True or false: a hard disk is a storage device. (a) False (b) True
29. 29.Which file ending is a document? (a) .jpg (b) .mkv (c) .wav (d) .pdf
30. 30.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
31. 31.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+Z
32. 32.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
33. 33.💾 How many bytes are there in 3 KB?
34. 34.True or false: a calculator app is software. (a) False (b) True
35. 35.True or false: RAM keeps photos for years. (a) False (b) True
36. 36.💾 How many bytes are there in 1 KB?
37. 37.Which of these is hardware? (a) a word processor (b) a web browser (c) a paint program (d) a keyboard
38. 38.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) paste (d) redo
39. 39.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
40. 40.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB

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