Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 365 · 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 shortcut do we press to print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+A
2. 2.💾 How many bytes are there in 3 KB?
3. 3.True or false: RAM holds apps that are open. (a) False (b) True
4. 4.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
5. 5.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
6. 6.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
7. 7.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+P
8. 8.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
9. 9.True or false: to delete a file means to store your work. (a) False (b) True
10. 10.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
11. 11.💾 How many GB are there in 2 TB?
12. 12.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
13. 13.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
14. 14.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
15. 15.✋ Which can we touch: hardware or software? (a) software (b) hardware
16. 16.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) select all (c) redo (d) save
17. 17.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) screws (d) wires
18. 18.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) save (c) redo (d) undo
19. 19.Which of these is a storage device? (a) keyboard (b) hard disk (c) mouse (d) microphone
20. 20.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
21. 21.True or false: to open a file means to make an exact twin. (a) False (b) True
22. 22.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
23. 23.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
24. 24.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) rename (c) open (d) copy
25. 25.💾 How many MB are there in 2 GB?
26. 26.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
27. 27.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
28. 28.🧩 Is a web browser hardware or software? (a) hardware (b) software
29. 29.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
30. 30.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
31. 31.True or false: RAM keeps data when off. (a) False (b) True
32. 32.True or false: a projector is an output device. (a) False (b) True
33. 33.True or false: to create a file means to store your work. (a) True (b) False
34. 34.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
35. 35.True or false: a printer is an output device. (a) True (b) False
36. 36.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
37. 37.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a memory card (d) a pen drive
38. 38.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
39. 39.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Cut (c) Copy (d) Redo
40. 40.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB

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