Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 394 · 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.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
2. 2.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+P (d) Ctrl+Z
3. 3.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
4. 4.🧰 Is a speaker a storage, input or output device? (a) an output device (b) an input device (c) a storage device
5. 5.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
6. 6.True or false: a projector is an output device. (a) False (b) True
7. 7.📄 What does a word processor help us do? (a) type and edit text (b) fly a kite (c) water plants (d) cook food
8. 8.Which of these is a storage device? (a) printer (b) projector (c) solid-state drive (d) speaker
9. 9.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
10. 10.💾 How many MB are there in 1 GB?
11. 11.🔍 Which is the odd one out? (a) a pen drive (b) a mouse (c) a music player app (d) a webcam
12. 12.Which of these is a storage device? (a) pen drive (b) scanner (c) projector (d) speaker
13. 13.True or false: Ctrl+Y is the shortcut to print. (a) False (b) True
14. 14.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
15. 15.True or false: a keyboard is software. (a) True (b) False
16. 16.Which of these is true of RAM? (a) is the working memory (b) keeps your saved files (c) keeps photos for years (d) keeps data when off
17. 17.True or false: a typing tutor is hardware. (a) False (b) True
18. 18.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
19. 19.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+V
20. 20.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) paste (c) cut (d) copy
21. 21.🔍 Which is the odd one out? (a) pen drive (b) hard disk (c) monitor (d) memory card
22. 22.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
23. 23.🧩 Is a speaker hardware or software? (a) hardware (b) software
24. 24.True or false: Ctrl+V is the shortcut to save. (a) True (b) False
25. 25.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.Which of these is true of RAM? (a) loses data when off (b) keeps data when off (c) keeps photos for years (d) is permanent storage
28. 28.True or false: a scanner is software. (a) False (b) True
29. 29.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
30. 30.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) copy (c) paste (d) save
31. 31.True or false: RAM keeps data when off. (a) True (b) False
32. 32.💾 How many bits are there in 10 bytes?
33. 33.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
34. 34.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) loses data when off (c) holds apps that are open (d) is temporary memory
35. 35.True or false: Ctrl+Y is the shortcut to undo. (a) True (b) False
36. 36.What does it mean to move a file? (a) change its name (b) put it in another place (c) keep your work for later (d) get rid of it
37. 37.True or false: to open a file means to make a brand-new one. (a) True (b) False
38. 38.Which of these is software? (a) a hard disk (b) a monitor (c) a scanner (d) a computer game
39. 39.True or false: RAM keeps your saved files. (a) True (b) False
40. 40.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte

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