Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 544 · 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 web browser is hardware. (a) True (b) False
2. 2.True or false: Ctrl+S is the shortcut to print. (a) True (b) False
3. 3.📄 What does a word processor help us do? (a) cook food (b) type and edit text (c) water plants (d) fly a kite
4. 4.Which file ending is a document? (a) .pdf (b) .avi (c) .png (d) .gif
5. 5.💾 How many GB are there in 2 TB?
6. 6.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) select all (c) save (d) paste
7. 7.True or false: RAM keeps photos for years. (a) False (b) True
8. 8.🧩 Is a calculator app hardware or software? (a) software (b) hardware
9. 9.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse
10. 10.True or false: Ctrl+Y is the shortcut to save. (a) False (b) True
11. 11.True or false: Ctrl+V is the shortcut to select all. (a) False (b) True
12. 12.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) holds apps that are open (d) keeps your saved files
13. 13.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
14. 14.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
15. 15.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
16. 16.🧩 Is a pen drive hardware or software? (a) hardware (b) software
17. 17.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) memory card (d) speaker
18. 18.Which of these is hardware? (a) a paint program (b) a typing tutor (c) a computer game (d) a printer
19. 19.What does it mean to save a file? (a) see what is inside (b) keep your work for later (c) throw it away (d) make a brand-new one
20. 20.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
21. 21.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) cut (c) undo (d) save
22. 22.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
23. 23.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
24. 24.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Z
25. 25.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
26. 26.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
27. 27.Which of these is an output device? (a) scanner (b) mouse (c) speaker (d) solid-state drive
28. 28.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
29. 29.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) hard disk (d) microphone
30. 30.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+S (d) Ctrl+Y
31. 31.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
32. 32.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+A (d) Ctrl+P
33. 33.📁 Which word means to “give it a new name” (for a file or folder)? (a) open (b) rename (c) delete (d) save
34. 34.💾 How many bytes are there in 3 KB?
35. 35.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) cut (c) redo (d) paste
36. 36.💾 How many bytes are there in 4 KB?
37. 37.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+V (d) Ctrl+A
38. 38.🧩 Is a printer hardware or software? (a) software (b) hardware
39. 39.True or false: to move a file means to make an exact twin. (a) False (b) True
40. 40.Which of these is an output device? (a) memory card (b) mouse (c) printer (d) microphone

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