Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 202 · 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 the odd one out? (a) a typing tutor (b) a monitor (c) a pen drive (d) a printer
2. 2.True or false: Ctrl+Z is the shortcut to copy. (a) False (b) True
3. 3.Which file ending is a document? (a) .gif (b) .png (c) .avi (d) .pdf
4. 4.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) rename (c) delete (d) save
5. 5.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
6. 6.🔍 Which is the odd one out? (a) memory card (b) keyboard (c) pen drive (d) hard disk
7. 7.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) print (c) select all (d) cut
8. 8.Which of these is an output device? (a) monitor (b) microphone (c) mouse (d) memory card
9. 9.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Copy (c) Backspace (d) Delete
10. 10.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) cook food (d) type and edit text
11. 11.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
12. 12.📷 A camera keeps its photos on a small ___. (a) keyboard (b) memory card (c) mouse pad (d) speaker
13. 13.🔍 Which is the odd one out? (a) solid-state drive (b) projector (c) speaker (d) monitor
14. 14.True or false: a printer is hardware. (a) False (b) True
15. 15.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
16. 16.▌ What is the blinking line that shows where you will type? (a) the icon (b) the cursor (c) the toolbar (d) the folder
17. 17.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) open (c) copy (d) rename
18. 18.Which of these is software? (a) a typing tutor (b) a speaker (c) a mouse (d) a hard disk
19. 19.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
20. 20.🔍 Which is the odd one out? (a) an operating system (b) a hard disk (c) a scanner (d) a webcam
21. 21.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
22. 22.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) undo (c) redo (d) select all
23. 23.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
24. 24.True or false: Ctrl+C is the shortcut to undo. (a) False (b) True
25. 25.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+Y
26. 26.Which file ending is a picture? (a) .png (b) .mkv (c) .mp4 (d) .wav
27. 27.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) undo (d) select all
28. 28.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
29. 29.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
30. 30.🔍 Which is the odd one out? (a) a typing tutor (b) a webcam (c) a web browser (d) a music player app
31. 31.True or false: a scanner is software. (a) False (b) True
32. 32.🧩 Is a hard disk hardware or software? (a) software (b) hardware
33. 33.Which of these is software? (a) a speaker (b) a mouse (c) a word processor (d) a hard disk
34. 34.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
35. 35.🔍 Which is the odd one out? (a) microphone (b) projector (c) mouse (d) scanner
36. 36.🧩 Is a mouse hardware or software? (a) software (b) hardware
37. 37.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
38. 38.Which of these is software? (a) a scanner (b) a hard disk (c) a printer (d) an operating system
39. 39.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) wires (d) screws
40. 40.True or false: a hard disk is hardware. (a) True (b) False

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