Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 313 · 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 file ending is a video? (a) .jpg (b) .gif (c) .png (d) .mkv
2. 2.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
3. 3.True or false: a typing tutor is software. (a) False (b) True
4. 4.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) save (c) copy (d) open
5. 5.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
6. 6.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) save (c) print (d) select all
7. 7.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
8. 8.📄 What does a word processor help us do? (a) cook food (b) water plants (c) fly a kite (d) type and edit text
9. 9.💾 How many MB are there in 3 GB?
10. 10.True or false: Ctrl+X is the shortcut to redo. (a) False (b) True
11. 11.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+V
12. 12.Which of these is a storage device? (a) monitor (b) mouse (c) keyboard (d) solid-state drive
13. 13.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) open (c) save (d) copy
14. 14.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
15. 15.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+S
16. 16.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) undo (c) select all (d) cut
17. 17.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
18. 18.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
19. 19.Which of these is hardware? (a) a paint program (b) a computer game (c) a keyboard (d) a music player app
20. 20.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a folder (d) a pixel
21. 21.True or false: a scanner is hardware. (a) True (b) False
22. 22.💾 How many bytes are there in 1 KB?
23. 23.True or false: RAM loses data when off. (a) True (b) False
24. 24.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) delete (d) select
25. 25.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
26. 26.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) paste (c) select all (d) redo
27. 27.🧩 Is a paint program hardware or software? (a) hardware (b) software
28. 28.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
29. 29.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+S (d) Ctrl+A
30. 30.💾 How many bytes are there in 2 KB?
31. 31.💾 How many MB are there in 1 GB?
32. 32.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
33. 33.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
34. 34.Which of these is software? (a) a mouse (b) a monitor (c) a pen drive (d) a computer game
35. 35.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) microphone (d) pen drive
36. 36.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
37. 37.True or false: RAM is permanent storage. (a) True (b) False
38. 38.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
39. 39.✋ Which can we touch: hardware or software? (a) hardware (b) software
40. 40.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) a big file (d) an icon

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