Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 352 · 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 bytes are there in 3 KB?
2. 2.🧩 Is a word processor hardware or software? (a) hardware (b) software
3. 3.💾 How many KB are there in 2 MB?
4. 4.True or false: a hard disk is hardware. (a) True (b) False
5. 5.🧩 Is a keyboard hardware or software? (a) software (b) hardware
6. 6.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) a memory card (d) RAM
7. 7.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+Y
8. 8.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
10. 10.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+V (d) Ctrl+P
11. 11.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
12. 12.True or false: RAM keeps your saved files. (a) True (b) False
13. 13.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
14. 14.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
15. 15.Which file ending is a document? (a) .gif (b) .pdf (c) .mp4 (d) .wav
16. 16.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) redo (c) paste (d) save
17. 17.💾 How many GB are there in 2 TB?
18. 18.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
19. 19.True or false: to delete a file means to make a brand-new one. (a) False (b) True
20. 20.Which of these is a storage device? (a) scanner (b) printer (c) memory card (d) monitor
21. 21.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) rename (c) copy (d) open
22. 22.💾 How many KB are there in 4 MB?
23. 23.Which of these is software? (a) a mouse (b) a monitor (c) a printer (d) a word processor
24. 24.True or false: to rename a file means to store your work. (a) True (b) False
25. 25.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the pen drive (d) the memory card
26. 26.Which of these is true of RAM? (a) holds apps that are open (b) is permanent storage (c) keeps photos for years (d) keeps your saved files
27. 27.True or false: a pen drive is software. (a) True (b) False
28. 28.🧩 Is a webcam hardware or software? (a) software (b) hardware
29. 29.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
30. 30.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
31. 31.True or false: to create a file means to make a brand-new one. (a) True (b) False
32. 32.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Z
33. 33.Which of these is a storage device? (a) projector (b) speaker (c) solid-state drive (d) mouse
34. 34.Which file ending is a picture? (a) .pdf (b) .wav (c) .mkv (d) .gif
35. 35.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
36. 36.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
37. 37.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
38. 38.🧩 Is a computer game hardware or software? (a) hardware (b) software
39. 39.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
40. 40.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document

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