Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 30 · 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.True or false: a scanner is software. (a) False (b) True
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) paste (c) copy (d) redo
3. 3.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) cut (c) copy (d) print
4. 4.🧩 Is a hard disk hardware or software? (a) software (b) hardware
5. 5.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a mouse (d) a pixel
6. 6.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
7. 7.💾 How many GB are there in 1 TB?
8. 8.🔍 Which is the odd one out? (a) a speaker (b) a keyboard (c) a paint program (d) a hard disk
9. 9.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the toolbar (d) the cursor
10. 10.🧩 Is a webcam hardware or software? (a) software (b) hardware
11. 11.🔍 Which is the odd one out? (a) scanner (b) mouse (c) keyboard (d) speaker
12. 12.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
13. 13.What does it mean to create a file? (a) throw it away (b) change its name (c) make a brand-new one (d) get rid of it
14. 14.🔍 Which is the odd one out? (a) a printer (b) a hard disk (c) a pen drive (d) a computer game
15. 15.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
16. 16.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
17. 17.🧩 Is a printer hardware or software? (a) software (b) hardware
18. 18.Which file ending is a sound? (a) .pdf (b) .gif (c) .mp4 (d) .wav
19. 19.💾 How many KB are there in 2 MB?
20. 20.Which file ending is a picture? (a) .txt (b) .mp4 (c) .mp3 (d) .jpg
21. 21.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
22. 22.🧩 Is a computer game hardware or software? (a) hardware (b) software
23. 23.True or false: a printer is an output device. (a) False (b) True
24. 24.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
25. 25.True or false: a speaker is hardware. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a typing tutor (b) a calculator app (c) a pen drive (d) a computer game
27. 27.🧩 Is a monitor hardware or software? (a) hardware (b) software
28. 28.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
29. 29.True or false: RAM loses data when off. (a) True (b) False
30. 30.Which file ending is a sound? (a) .mp3 (b) .gif (c) .mp4 (d) .jpg
31. 31.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) open (c) rename (d) delete
32. 32.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
33. 33.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a printer (d) a computer game
34. 34.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
35. 35.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) name (d) taste
36. 36.True or false: a hard disk is a storage device. (a) True (b) False
37. 37.Which file ending is a document? (a) .mp3 (b) .mp4 (c) .avi (d) .txt
38. 38.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
39. 39.Which of these is software? (a) a webcam (b) a printer (c) a mouse (d) a computer game
40. 40.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB

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