Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 112 · 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.🧰 Is a monitor a storage, input or output device? (a) an input device (b) an output device (c) a storage device
2. 2.🔍 Which is the odd one out? (a) a web browser (b) a scanner (c) a printer (d) a webcam
3. 3.True or false: a speaker is an input device. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a mouse (b) a pen drive (c) a word processor (d) a hard disk
5. 5.🧩 Is a mouse hardware or software? (a) hardware (b) software
6. 6.🔍 Which is the odd one out? (a) monitor (b) scanner (c) mouse (d) microphone
7. 7.Which of these is software? (a) a speaker (b) a hard disk (c) a scanner (d) a word processor
8. 8.🔍 Which is the odd one out? (a) a hard disk (b) a monitor (c) a calculator app (d) a keyboard
9. 9.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
10. 10.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+V
11. 11.🔍 Which is the odd one out? (a) a mouse (b) a hard disk (c) a speaker (d) a computer game
12. 12.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
13. 13.True or false: a solid-state drive is an input device. (a) False (b) True
14. 14.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) keyboard (d) memory card
15. 15.True or false: Ctrl+Z is the shortcut to paste. (a) True (b) False
16. 16.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a folder (d) a pixel
17. 17.Which of these is hardware? (a) a computer game (b) a calculator app (c) a pen drive (d) a music player app
18. 18.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+X (d) Ctrl+C
19. 19.🔍 Which is the odd one out? (a) a word processor (b) a calculator app (c) a web browser (d) a pen drive
20. 20.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
21. 21.True or false: a scanner is an input device. (a) True (b) False
22. 22.True or false: a web browser is software. (a) True (b) False
23. 23.True or false: Ctrl+V is the shortcut to redo. (a) True (b) False
24. 24.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
25. 25.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
26. 26.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
27. 27.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Z
28. 28.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a mouse (d) a word processor
29. 29.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
30. 30.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) delete (c) rename (d) save
31. 31.True or false: a hard disk is an input device. (a) False (b) True
32. 32.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+S (d) Ctrl+Z
33. 33.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
34. 34.True or false: to delete a file means to get rid of it. (a) False (b) True
35. 35.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) cook food (d) type and edit text
36. 36.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) weight (d) name
37. 37.Which file ending is a picture? (a) .mp4 (b) .mkv (c) .gif (d) .wav
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) select all (c) cut (d) print
39. 39.True or false: a speaker is hardware. (a) True (b) False
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) cut (d) paste

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