Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 688 · 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 keyboard (b) a hard disk (c) a speaker (d) a word processor
2. 2.Which file ending is a video? (a) .pdf (b) .mkv (c) .wav (d) .txt
3. 3.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
4. 4.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the hard disk (c) the pen drive (d) RAM
5. 5.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
6. 6.True or false: a printer is an output device. (a) False (b) True
7. 7.🧰 Is a microphone a storage, input or output device? (a) an input device (b) an output device (c) a storage device
8. 8.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) smell (d) taste
9. 9.🔍 Which is the odd one out? (a) a music player app (b) a hard disk (c) a pen drive (d) a monitor
10. 10.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
11. 11.True or false: RAM keeps your saved files. (a) True (b) False
12. 12.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
13. 13.True or false: a web browser is hardware. (a) True (b) False
14. 14.What does it mean to copy a file? (a) store your work (b) make an exact twin (c) get rid of it (d) give it a new name
15. 15.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) paste (c) redo (d) copy
16. 16.🔍 Which is the odd one out? (a) memory card (b) hard disk (c) scanner (d) pen drive
17. 17.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
18. 18.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
19. 19.💾 How many MB are there in 3 GB?
20. 20.What does it mean to create a file? (a) make an exact twin (b) give it a new name (c) make a brand-new one (d) change its name
21. 21.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) copy (d) undo
22. 22.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
23. 23.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
24. 24.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+A (d) Ctrl+V
25. 25.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
26. 26.True or false: a word processor is software. (a) True (b) False
27. 27.True or false: a typing tutor is software. (a) True (b) False
28. 28.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) rain storage (c) paper storage (d) cloud storage
29. 29.Which file ending is a document? (a) .pdf (b) .avi (c) .wav (d) .gif
30. 30.True or false: a web browser is software. (a) False (b) True
31. 31.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+S (d) Ctrl+A
32. 32.🔍 Which is the odd one out? (a) projector (b) speaker (c) keyboard (d) printer
33. 33.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) delete (c) create (d) rename
34. 34.Which file ending is a picture? (a) .txt (b) .mkv (c) .gif (d) .mp4
35. 35.True or false: a mouse is a storage device. (a) False (b) True
36. 36.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
37. 37.💾 How many GB are there in 2 TB?
38. 38.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
39. 39.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) print (d) delete
40. 40.True or false: Ctrl+Y is the shortcut to undo. (a) False (b) True

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