Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 625 · 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.True or false: a pen drive is an input device. (a) False (b) True
2. 2.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
3. 3.What does it mean to open a file? (a) change its name (b) see what is inside (c) make an exact twin (d) keep your work for later
4. 4.Which of these is hardware? (a) a calculator app (b) a paint program (c) a word processor (d) a pen drive
5. 5.True or false: a web browser is hardware. (a) False (b) True
6. 6.True or false: RAM keeps photos for years. (a) False (b) True
7. 7.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
8. 8.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
9. 9.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
10. 10.💾 How many bits are there in 4 bytes?
11. 11.True or false: Ctrl+X is the shortcut to paste. (a) False (b) True
12. 12.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
13. 13.True or false: a speaker is an input device. (a) True (b) False
14. 14.Which of these is an output device? (a) scanner (b) projector (c) solid-state drive (d) memory card
15. 15.Which of these is true of RAM? (a) is the working memory (b) keeps your saved files (c) keeps data when off (d) is permanent storage
16. 16.What does it mean to save a file? (a) make a brand-new one (b) change its name (c) keep your work for later (d) throw it away
17. 17.✋ Which can we touch: hardware or software? (a) software (b) hardware
18. 18.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
19. 19.True or false: Ctrl+A is the shortcut to redo. (a) True (b) False
20. 20.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
21. 21.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+C (d) Ctrl+Z
22. 22.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
23. 23.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
24. 24.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
25. 25.True or false: a mouse is a storage device. (a) True (b) False
26. 26.🧰 Is a monitor a storage, input or output device? (a) an output device (b) a storage device (c) an input device
27. 27.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
28. 28.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) water plants (d) type and edit text
29. 29.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
30. 30.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
31. 31.True or false: a computer game is software. (a) True (b) False
32. 32.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
33. 33.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
34. 34.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) cut (c) print (d) copy
35. 35.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
36. 36.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
37. 37.True or false: to open a file means to throw it away. (a) False (b) True
38. 38.Which file ending is a document? (a) .gif (b) .mkv (c) .avi (d) .txt
39. 39.True or false: a webcam is software. (a) False (b) True
40. 40.True or false: a speaker is software. (a) True (b) False

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