Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 565 · 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.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
2. 2.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
3. 3.💾 How many bytes are there in 3 KB?
4. 4.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
5. 5.True or false: Ctrl+P is the shortcut to copy. (a) True (b) False
6. 6.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
7. 7.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
8. 8.True or false: to rename a file means to make an exact twin. (a) True (b) False
9. 9.True or false: a mouse is an input device. (a) False (b) True
10. 10.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a pixel (d) a speaker
11. 11.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
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 file name ends in .mp4. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
14. 14.Which of these is an input device? (a) pen drive (b) memory card (c) hard disk (d) keyboard
15. 15.💾 How many bytes are there in 4 KB?
16. 16.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
17. 17.🧩 Is a paint program hardware or software? (a) software (b) hardware
18. 18.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) mouse pad (d) memory card
19. 19.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
20. 20.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a mouse (b) a keyboard (c) a speaker (d) a computer game
22. 22.Which of these is hardware? (a) a word processor (b) an operating system (c) a keyboard (d) a music player app
23. 23.🧩 Is a keyboard hardware or software? (a) hardware (b) software
24. 24.True or false: RAM is permanent storage. (a) True (b) False
25. 25.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) open (c) move (d) create
26. 26.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
27. 27.💾 How many bits are there in 11 bytes?
28. 28.Which of these is true of RAM? (a) keeps data when off (b) is the working memory (c) keeps your saved files (d) keeps photos for years
29. 29.True or false: a printer is hardware. (a) False (b) True
30. 30.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
31. 31.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an output device (c) an input device
32. 32.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) save (c) cut (d) select all
33. 33.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
34. 34.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
35. 35.🧩 Is a word processor hardware or software? (a) hardware (b) software
36. 36.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
37. 37.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
38. 38.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
39. 39.Which of these is software? (a) a printer (b) a pen drive (c) a scanner (d) a word processor
40. 40.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit

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