Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 908 · 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 word means to “get rid of it” (for a file or folder)? (a) move (b) create (c) open (d) delete
2. 2.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
3. 3.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
4. 4.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) save (d) undo
5. 5.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) paste (c) cut (d) select all
6. 6.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) copy (c) print (d) select all
7. 7.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
8. 8.🧩 Is a paint program hardware or software? (a) hardware (b) software
9. 9.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
10. 10.What does it mean to create a file? (a) get rid of it (b) change its name (c) make a brand-new one (d) throw it away
11. 11.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) move (c) open (d) delete
12. 12.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) redo (c) select all (d) save
13. 13.True or false: a pen drive is hardware. (a) False (b) True
14. 14.💾 How many bits are there in 6 bytes?
15. 15.🔍 Which is the odd one out? (a) printer (b) keyboard (c) projector (d) monitor
16. 16.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps photos for years (c) holds apps that are open (d) is temporary memory
17. 17.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) an input device (c) a storage device
18. 18.True or false: RAM is permanent storage. (a) True (b) False
19. 19.Which file ending is a sound? (a) .pdf (b) .wav (c) .png (d) .gif
20. 20.Which file ending is a picture? (a) .gif (b) .avi (c) .wav (d) .txt
21. 21.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
22. 22.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
23. 23.🧩 Is a speaker hardware or software? (a) hardware (b) software
24. 24.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
25. 25.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
26. 26.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) rename (c) copy (d) move
27. 27.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
28. 28.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) redo (c) undo (d) paste
29. 29.🧩 Is a printer hardware or software? (a) software (b) hardware
30. 30.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) create (c) rename (d) open
31. 31.What does it mean to open a file? (a) keep your work for later (b) change its name (c) see what is inside (d) make an exact twin
32. 32.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
33. 33.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
34. 34.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Y
35. 35.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+X (d) Ctrl+Y
36. 36.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
37. 37.💾 How many MB are there in 2 GB?
38. 38.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
39. 39.🔍 Which is the odd one out? (a) a computer game (b) a word processor (c) a music player app (d) a pen drive
40. 40.Which of these is an input device? (a) hard disk (b) solid-state drive (c) projector (d) mouse

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets