Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 63 · 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.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
2. 2.Which of these is software? (a) a webcam (b) a mouse (c) a computer game (d) a scanner
3. 3.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) redo (c) paste (d) select all
4. 4.Which of these is a storage device? (a) memory card (b) keyboard (c) printer (d) scanner
5. 5.🧩 Is a calculator app hardware or software? (a) software (b) hardware
6. 6.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
7. 7.True or false: to save a file means to make an exact twin. (a) True (b) False
8. 8.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
9. 9.Which file ending is a picture? (a) .jpg (b) .txt (c) .avi (d) .pdf
10. 10.Which of these is software? (a) a mouse (b) a calculator app (c) a printer (d) a scanner
11. 11.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
12. 12.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
13. 13.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) delete (c) create (d) rename
14. 14.Which of these is a storage device? (a) mouse (b) solid-state drive (c) monitor (d) speaker
15. 15.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
16. 16.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
17. 17.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
18. 18.🧩 Is a music player app hardware or software? (a) hardware (b) software
19. 19.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) print (c) select all (d) redo
20. 20.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
21. 21.✋ Which can we touch: hardware or software? (a) hardware (b) software
22. 22.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
23. 23.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) copy (d) cut
24. 24.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
25. 25.💾 How many GB are there in 1 TB?
26. 26.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
27. 27.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) copy (c) rename (d) move
28. 28.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) paper storage (c) box storage (d) rain storage
29. 29.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
30. 30.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+A (d) Ctrl+P
31. 31.Which file ending is a sound? (a) .avi (b) .gif (c) .mp3 (d) .mkv
32. 32.What does it mean to rename a file? (a) throw it away (b) store your work (c) give it a new name (d) make an exact twin
33. 33.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
34. 34.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+C (d) Ctrl+V
35. 35.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
36. 36.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
37. 37.🔍 Which is the odd one out? (a) monitor (b) solid-state drive (c) projector (d) speaker
38. 38.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
39. 39.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
40. 40.Which of these is hardware? (a) a web browser (b) a hard disk (c) a music player app (d) a paint program

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