Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 795 · 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 keyboard hardware or software? (a) hardware (b) software
2. 2.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
3. 3.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) redo (d) paste
4. 4.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
5. 5.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
6. 6.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.💾 How many KB are there in 1 MB?
8. 8.True or false: a paint program is hardware. (a) True (b) False
9. 9.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) memory card (d) scanner
11. 11.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) print (c) cut (d) copy
12. 12.✋ Which can we touch: hardware or software? (a) hardware (b) software
13. 13.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
14. 14.Which of these is an input device? (a) monitor (b) speaker (c) mouse (d) solid-state drive
15. 15.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
16. 16.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) copy (c) save (d) paste
17. 17.Which of these is software? (a) a web browser (b) a hard disk (c) a mouse (d) a speaker
18. 18.Which file ending is a picture? (a) .mp4 (b) .jpg (c) .txt (d) .mp3
19. 19.What does it mean to rename a file? (a) put it in another place (b) change its name (c) keep your work for later (d) store your work
20. 20.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
21. 21.True or false: RAM loses data when off. (a) True (b) False
22. 22.What does it mean to copy a file? (a) keep your work for later (b) throw it away (c) get rid of it (d) make an exact twin
23. 23.💾 How many bits are there in 8 bytes?
24. 24.What does it mean to open a file? (a) throw it away (b) see what is inside (c) give it a new name (d) make an exact twin
25. 25.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) smell (d) taste
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Cut (d) Copy
27. 27.True or false: to open a file means to change its name. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) an operating system (b) a music player app (c) a calculator app (d) a monitor
29. 29.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
30. 30.💾 How many bytes are there in 3 KB?
31. 31.True or false: a keyboard is software. (a) True (b) False
32. 32.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps your saved files (d) is the working memory
33. 33.💾 How many KB are there in 3 MB?
34. 34.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
35. 35.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+X (d) Ctrl+A
36. 36.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) rename (c) save (d) open
37. 37.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
38. 38.💾 How many bits are there in 1 byte?
39. 39.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
40. 40.📄 What does a word processor help us do? (a) water plants (b) cook food (c) type and edit text (d) fly a kite

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