Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 294 · 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.💾 How many bits are there in 10 bytes?
2. 2.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) rename (b) copy (c) save (d) create
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) select all (c) paste (d) print
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) an operating system (c) a monitor (d) a music player app
5. 5.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) delete (c) open (d) save
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) a hard disk (b) a keyboard (c) a typing tutor (d) a mouse
8. 8.True or false: a solid-state drive is an output device. (a) True (b) False
9. 9.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
10. 10.True or false: a mouse is software. (a) True (b) False
11. 11.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+I (d) Ctrl+U
12. 12.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
13. 13.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
14. 14.True or false: to save a file means to make an exact twin. (a) True (b) False
15. 15.Which file ending is a sound? (a) .mp3 (b) .png (c) .avi (d) .gif
16. 16.Which of these is hardware? (a) a word processor (b) a printer (c) an operating system (d) a paint program
17. 17.🧩 Is a mouse hardware or software? (a) software (b) hardware
18. 18.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
19. 19.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) RAM (d) a pen drive
20. 20.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
21. 21.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
22. 22.🔍 Which is the odd one out? (a) a speaker (b) a music player app (c) a mouse (d) a webcam
23. 23.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
24. 24.🧩 Is a calculator app hardware or software? (a) software (b) hardware
25. 25.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
26. 26.True or false: a hard disk is a storage device. (a) True (b) False
27. 27.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
28. 28.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) print (c) paste (d) undo
29. 29.What does it mean to delete a file? (a) throw it away (b) change its name (c) put it in another place (d) keep your work for later
30. 30.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) is the working memory (d) keeps data when off
31. 31.What does it mean to move a file? (a) give it a new name (b) put it in another place (c) see what is inside (d) keep your work for later
32. 32.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
33. 33.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
34. 34.✋ Which can we touch: hardware or software? (a) hardware (b) software
35. 35.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
36. 36.True or false: RAM keeps your saved files. (a) False (b) True
37. 37.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) copy (c) cut (d) select all
39. 39.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
40. 40.True or false: a speaker is an input device. (a) True (b) False

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