Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 306 · 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.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
2. 2.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) cut (d) undo
3. 3.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
4. 4.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) hard disk (d) scanner
5. 5.🧩 Is a hard disk hardware or software? (a) software (b) hardware
6. 6.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
7. 7.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
8. 8.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) undo (c) save (d) select all
9. 9.True or false: to delete a file means to throw it away. (a) False (b) True
10. 10.💾 How many KB are there in 4 MB?
11. 11.Which shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+A
12. 12.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) cut (c) select all (d) copy
13. 13.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
14. 14.True or false: a paint program is hardware. (a) True (b) False
15. 15.Which of these is software? (a) a keyboard (b) a monitor (c) an operating system (d) a mouse
16. 16.🔍 Which is the odd one out? (a) a paint program (b) a monitor (c) a music player app (d) a word processor
17. 17.💾 How many GB are there in 1 TB?
18. 18.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
19. 19.🧩 Is an operating system hardware or software? (a) software (b) hardware
20. 20.🧩 Is a speaker hardware or software? (a) hardware (b) software
21. 21.💾 How many bytes are there in 4 KB?
22. 22.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) select all (c) copy (d) cut
23. 23.💾 How many KB are there in 2 MB?
24. 24.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
25. 25.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
26. 26.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) cloud storage (c) paper storage (d) rain storage
27. 27.True or false: to copy a file means to give it a new name. (a) True (b) False
28. 28.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
29. 29.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) open (c) move (d) create
30. 30.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
31. 31.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Save (c) Undo (d) Cut
32. 32.What does it mean to save a file? (a) change its name (b) put it in another place (c) make an exact twin (d) keep your work for later
33. 33.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
34. 34.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
35. 35.✋ Which can we touch: hardware or software? (a) software (b) hardware
36. 36.🔍 Which is the odd one out? (a) a scanner (b) a speaker (c) a monitor (d) a calculator app
37. 37.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
38. 38.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
39. 39.🧩 Is a web browser hardware or software? (a) software (b) hardware
40. 40.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit

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