Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 203 · 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 mouse hardware or software? (a) software (b) hardware
2. 2.True or false: a scanner is software. (a) False (b) True
3. 3.Which of these is hardware? (a) a word processor (b) an operating system (c) a monitor (d) a typing tutor
4. 4.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
5. 5.What does it mean to save a file? (a) throw it away (b) store your work (c) change its name (d) give it a new name
6. 6.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) undo (c) copy (d) paste
7. 7.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) is permanent storage (d) holds apps that are open
8. 8.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
9. 9.True or false: Ctrl+Z is the shortcut to copy. (a) False (b) True
10. 10.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) save (c) copy (d) print
11. 11.✋ Which can we touch: hardware or software? (a) hardware (b) software
12. 12.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a pen drive (d) a printer
13. 13.Which file ending is a picture? (a) .avi (b) .mp4 (c) .mp3 (d) .jpg
14. 14.True or false: RAM keeps your saved files. (a) False (b) True
15. 15.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an output device (c) an input device
16. 16.True or false: RAM is temporary memory. (a) False (b) True
17. 17.What does it mean to open a file? (a) see what is inside (b) make a brand-new one (c) put it in another place (d) store your work
18. 18.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
19. 19.True or false: a projector is an output device. (a) False (b) True
20. 20.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) redo (c) cut (d) undo
21. 21.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
22. 22.🧩 Is a pen drive hardware or software? (a) software (b) hardware
23. 23.Which of these is an output device? (a) memory card (b) microphone (c) printer (d) pen drive
24. 24.Which of these is a storage device? (a) speaker (b) mouse (c) hard disk (d) projector
25. 25.💾 How many GB are there in 2 TB?
26. 26.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
27. 27.Which of these is hardware? (a) a paint program (b) an operating system (c) a calculator app (d) a pen drive
28. 28.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) is temporary memory (d) is permanent storage
29. 29.What does it mean to copy a file? (a) make a brand-new one (b) put it in another place (c) give it a new name (d) make an exact twin
30. 30.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
31. 31.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
32. 32.💾 How many bits are there in 4 bytes?
33. 33.True or false: Ctrl+Z is the shortcut to save. (a) False (b) True
34. 34.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+S (d) Ctrl+C
35. 35.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) copy (c) rename (d) open
36. 36.🔍 Which is the odd one out? (a) an operating system (b) a computer game (c) a word processor (d) a webcam
37. 37.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
38. 38.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) open (c) copy (d) rename
39. 39.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
40. 40.💾 How many bits are there in 6 bytes?

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