Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 358 · 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 is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
2. 2.True or false: RAM loses data when off. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) a printer (b) a music player app (c) a webcam (d) a pen drive
4. 4.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) bit (d) GB
5. 5.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) delete (c) copy (d) open
6. 6.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
7. 7.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
8. 8.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
9. 9.🔍 Which is the odd one out? (a) a pen drive (b) a paint program (c) a word processor (d) an operating system
10. 10.True or false: to rename a file means to make an exact twin. (a) False (b) True
11. 11.What does it mean to open a file? (a) change its name (b) give it a new name (c) see what is inside (d) make a brand-new one
12. 12.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
13. 13.What does it mean to rename a file? (a) see what is inside (b) make a brand-new one (c) give it a new name (d) throw it away
14. 14.Which of these is software? (a) a speaker (b) a webcam (c) a computer game (d) a monitor
15. 15.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) mouse pad (d) memory card
16. 16.True or false: to save a file means to store your work. (a) True (b) False
17. 17.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) select all (c) save (d) copy
18. 18.Which shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+V (d) Ctrl+Y
19. 19.🧩 Is a calculator app hardware or software? (a) software (b) hardware
20. 20.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) undo (c) redo (d) select all
21. 21.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) copy (c) undo (d) save
22. 22.💾 How many bytes are there in 2 KB?
23. 23.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) move (c) create (d) open
24. 24.True or false: a computer game is hardware. (a) False (b) True
25. 25.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
26. 26.💾 How many bytes are there in 1 KB?
27. 27.🔍 Which is the odd one out? (a) a mouse (b) a web browser (c) a speaker (d) a hard disk
28. 28.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) monitor (d) hard disk
29. 29.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
30. 30.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) select all (c) save (d) print
31. 31.🔍 Which is the odd one out? (a) a printer (b) a web browser (c) a word processor (d) a computer game
32. 32.True or false: a typing tutor is software. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a typing tutor (b) a webcam (c) a music player app (d) a computer game
34. 34.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
35. 35.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
36. 36.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
37. 37.Which of these is hardware? (a) a word processor (b) a paint program (c) a pen drive (d) a web browser
38. 38.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
39. 39.💾 How many KB are there in 1 MB?
40. 40.True or false: to create a file means to see what is inside. (a) True (b) False

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