Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 857 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.🧰 Is a printer a storage, input or output device? (a) an output device (b) an input device (c) a storage device
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) undo (c) save (d) print
4. 4.Which of these is hardware? (a) a typing tutor (b) a music player app (c) a webcam (d) a paint program
5. 5.True or false: Ctrl+S is the shortcut to select all. (a) False (b) True
6. 6.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) copy (c) paste (d) select all
7. 7.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+A
8. 8.📄 What does a word processor help us do? (a) cook food (b) water plants (c) fly a kite (d) type and edit text
9. 9.🔍 Which is the odd one out? (a) a keyboard (b) a hard disk (c) a calculator app (d) a printer
10. 10.True or false: to delete a file means to get rid of it. (a) True (b) False
11. 11.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) smell (d) taste
12. 12.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
13. 13.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
14. 14.🔍 Which is the odd one out? (a) pen drive (b) memory card (c) hard disk (d) monitor
15. 15.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
16. 16.Which file ending is a document? (a) .png (b) .gif (c) .txt (d) .mp4
17. 17.What does it mean to open a file? (a) throw it away (b) put it in another place (c) see what is inside (d) get rid of it
18. 18.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
19. 19.True or false: Ctrl+A is the shortcut to cut. (a) True (b) False
20. 20.🧰 Is a projector a storage, input or output device? (a) an input device (b) a storage device (c) an output device
21. 21.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+A
22. 22.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) is the working memory (c) holds apps that are open (d) is temporary memory
23. 23.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
24. 24.💾 How many bytes are there in 1 KB?
25. 25.True or false: a word processor is software. (a) False (b) True
26. 26.💾 How many KB are there in 1 MB?
27. 27.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
28. 28.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) save (c) rename (d) create
29. 29.🔍 Which is the odd one out? (a) scanner (b) keyboard (c) memory card (d) mouse
30. 30.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) save (c) move (d) copy
31. 31.🧩 Is a monitor hardware or software? (a) hardware (b) software
32. 32.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
33. 33.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
34. 34.Which of these is an input device? (a) projector (b) pen drive (c) scanner (d) memory card
35. 35.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) copy (c) rename (d) save
36. 36.True or false: a projector is an input device. (a) True (b) False
37. 37.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) copy (c) paste (d) print
38. 38.Which of these is an output device? (a) solid-state drive (b) memory card (c) printer (d) pen drive
39. 39.True or false: to rename a file means to change its name. (a) False (b) True
40. 40.True or false: a pen drive is software. (a) True (b) False

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