Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 677 · 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.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
2. 2.True or false: a monitor is software. (a) True (b) False
3. 3.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
4. 4.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) select all (c) cut (d) paste
5. 5.True or false: a memory card is an input device. (a) True (b) False
6. 6.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
7. 7.💾 How many bytes are there in 1 KB?
8. 8.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) rain storage (d) cloud storage
9. 9.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
10. 10.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) print (c) save (d) select all
11. 11.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the hard disk (d) the memory card
12. 12.Which of these is software? (a) a mouse (b) a word processor (c) a printer (d) a webcam
13. 13.💾 How many bits are there in 5 bytes?
14. 14.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+C (d) Ctrl+X
15. 15.True or false: to save a file means to store your work. (a) False (b) True
16. 16.Which of these is software? (a) a scanner (b) a paint program (c) a hard disk (d) a speaker
17. 17.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) a big file (d) an icon
18. 18.Which of these is software? (a) a music player app (b) a printer (c) a monitor (d) a webcam
19. 19.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
20. 20.True or false: a printer is an input device. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a pen drive (b) a printer (c) a mouse (d) a word processor
22. 22.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) select all (c) copy (d) print
23. 23.💾 How many MB are there in 1 GB?
24. 24.🧩 Is a computer game hardware or software? (a) software (b) hardware
25. 25.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
26. 26.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
27. 27.True or false: to save a file means to keep your work for later. (a) False (b) True
28. 28.💾 How many MB are there in 3 GB?
29. 29.True or false: a scanner is hardware. (a) True (b) False
30. 30.Which of these is a storage device? (a) solid-state drive (b) microphone (c) keyboard (d) speaker
31. 31.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
32. 32.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
33. 33.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
34. 34.Which of these is true of RAM? (a) loses data when off (b) is permanent storage (c) keeps your saved files (d) keeps data when off
35. 35.🔍 Which is the odd one out? (a) keyboard (b) mouse (c) hard disk (d) microphone
36. 36.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) open (c) create (d) delete
37. 37.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
38. 38.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+Z
39. 39.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) holds apps that are open (d) keeps photos for years
40. 40.Which file ending is a picture? (a) .avi (b) .txt (c) .gif (d) .mkv

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