Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 491 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) copy (c) cut (d) paste
2. 2.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
3. 3.What does it mean to open a file? (a) throw it away (b) get rid of it (c) give it a new name (d) see what is inside
4. 4.What does it mean to delete a file? (a) change its name (b) make an exact twin (c) get rid of it (d) give it a new name
5. 5.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
6. 6.🔍 Which is the odd one out? (a) a calculator app (b) a webcam (c) a mouse (d) a monitor
7. 7.Which file ending is a document? (a) .txt (b) .mp3 (c) .png (d) .jpg
8. 8.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+S (d) Ctrl+Z
9. 9.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
10. 10.📄 A file name ends in .png. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
11. 11.💾 How many bits are there in 3 bytes?
12. 12.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) mouse (d) pen drive
13. 13.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is the working memory (c) keeps your saved files (d) loses data when off
14. 14.True or false: RAM keeps data when off. (a) False (b) True
15. 15.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
16. 16.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
17. 17.Which file ending is a picture? (a) .jpg (b) .avi (c) .wav (d) .pdf
18. 18.Which file ending is a sound? (a) .png (b) .mp4 (c) .pdf (d) .mp3
19. 19.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) name (d) taste
20. 20.🔍 Which is the odd one out? (a) an operating system (b) a calculator app (c) a printer (d) a paint program
21. 21.💾 How many GB are there in 1 TB?
22. 22.🔍 Which is the odd one out? (a) a web browser (b) a pen drive (c) a mouse (d) a scanner
23. 23.🔍 Which is the odd one out? (a) speaker (b) memory card (c) solid-state drive (d) hard disk
24. 24.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) open (c) rename (d) move
25. 25.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
26. 26.True or false: a typing tutor is hardware. (a) False (b) True
27. 27.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) is the working memory (d) keeps photos for years
28. 28.⚡ Which is faster for the computer to work with? (a) RAM (b) a memory card (c) a pen drive (d) a printer
29. 29.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
30. 30.True or false: a mouse is hardware. (a) False (b) True
31. 31.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
32. 32.What does it mean to move a file? (a) make an exact twin (b) get rid of it (c) put it in another place (d) see what is inside
33. 33.✋ Which can we touch: hardware or software? (a) hardware (b) software
34. 34.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
35. 35.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
36. 36.True or false: a keyboard is hardware. (a) True (b) False
37. 37.True or false: a monitor is software. (a) False (b) True
38. 38.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
39. 39.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
40. 40.💾 How many GB are there in 2 TB?

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