Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 130 · 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 one is temporary memory: RAM or storage? (a) RAM (b) storage
2. 2.🔍 Which is the odd one out? (a) a hard disk (b) a monitor (c) a mouse (d) an operating system
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the hard disk (c) the pen drive (d) RAM
4. 4.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
5. 5.🧩 Is a hard disk hardware or software? (a) hardware (b) software
6. 6.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
7. 7.💾 How many KB are there in 3 MB?
8. 8.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
9. 9.💾 How many bytes are there in 2 KB?
10. 10.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Cut (c) Undo (d) Print
11. 11.Which of these is hardware? (a) a paint program (b) a printer (c) a typing tutor (d) an operating system
12. 12.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
13. 13.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) holds apps that are open (d) loses data when off
14. 14.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
15. 15.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
16. 16.True or false: a computer game is software. (a) True (b) False
17. 17.True or false: to open a file means to keep your work for later. (a) False (b) True
18. 18.True or false: a monitor is hardware. (a) True (b) False
19. 19.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
20. 20.Which of these is a storage device? (a) keyboard (b) projector (c) speaker (d) pen drive
21. 21.True or false: a printer is an output device. (a) True (b) False
22. 22.🧩 Is a music player app hardware or software? (a) software (b) hardware
23. 23.True or false: a web browser is software. (a) False (b) True
24. 24.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
25. 25.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
26. 26.🧩 Is a pen drive hardware or software? (a) software (b) hardware
27. 27.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) print (c) undo (d) paste
28. 28.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+X (d) Ctrl+Y
29. 29.💾 How many GB are there in 2 TB?
30. 30.💾 How many bits are there in 4 bytes?
31. 31.True or false: an operating system is software. (a) True (b) False
32. 32.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
33. 33.💾 How many MB are there in 1 GB?
34. 34.✋ Which can we touch: hardware or software? (a) hardware (b) software
35. 35.True or false: a typing tutor is hardware. (a) True (b) False
36. 36.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
37. 37.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
38. 38.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
39. 39.What does it mean to create a file? (a) change its name (b) make a brand-new one (c) throw it away (d) keep your work for later
40. 40.🧩 Is an operating system hardware or software? (a) hardware (b) software

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