Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 415 · 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) copy (b) select all (c) undo (d) paste
2. 2.Which file ending is a video? (a) .txt (b) .gif (c) .png (d) .avi
3. 3.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
4. 4.True or false: a memory card is an output device. (a) True (b) False
5. 5.True or false: a keyboard is hardware. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) a printer (b) a hard disk (c) a webcam (d) a calculator app
7. 7.✋ Which can we touch: hardware or software? (a) software (b) hardware
8. 8.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
9. 9.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
10. 10.Which file ending is a document? (a) .mp3 (b) .pdf (c) .wav (d) .jpg
11. 11.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
12. 12.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
13. 13.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
14. 14.True or false: a printer is software. (a) False (b) True
15. 15.True or false: a keyboard is a storage device. (a) True (b) False
16. 16.💾 How many MB are there in 1 GB?
17. 17.Which of these is hardware? (a) a mouse (b) a paint program (c) a word processor (d) an operating system
18. 18.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) create (c) move (d) copy
19. 19.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
20. 20.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
21. 21.True or false: to delete a file means to get rid of it. (a) True (b) False
22. 22.📷 A camera keeps its photos on a small ___. (a) memory card (b) keyboard (c) speaker (d) mouse pad
23. 23.True or false: a typing tutor is hardware. (a) False (b) True
24. 24.Which of these is a storage device? (a) monitor (b) printer (c) pen drive (d) scanner
25. 25.🔍 Which is the odd one out? (a) a webcam (b) an operating system (c) a calculator app (d) a web browser
26. 26.Which of these is true of RAM? (a) loses data when off (b) keeps your saved files (c) keeps data when off (d) keeps photos for years
27. 27.True or false: a pen drive is an input device. (a) True (b) False
28. 28.🧩 Is an operating system hardware or software? (a) hardware (b) software
29. 29.🧩 Is a scanner hardware or software? (a) software (b) hardware
30. 30.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
31. 31.True or false: to rename a file means to store your work. (a) False (b) True
32. 32.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
33. 33.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
34. 34.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Undo (c) Print (d) Delete
35. 35.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
36. 36.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) save (c) copy (d) rename
37. 37.💾 How many bytes are there in 2 KB?
38. 38.True or false: a hard disk is software. (a) False (b) True
39. 39.Which of these is hardware? (a) a pen drive (b) a word processor (c) a computer game (d) a calculator app
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) save (c) redo (d) copy

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