Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 246 · 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.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
2. 2.🧩 Is a web browser hardware or software? (a) hardware (b) software
3. 3.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V
4. 4.💾 How many GB are there in 2 TB?
5. 5.True or false: an operating system is hardware. (a) True (b) False
6. 6.Which of these is hardware? (a) a pen drive (b) a music player app (c) a word processor (d) a typing tutor
7. 7.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
8. 8.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) copy (c) paste (d) save
9. 9.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
10. 10.Which file ending is a sound? (a) .gif (b) .mp3 (c) .jpg (d) .png
11. 11.✋ Which can we touch: hardware or software? (a) software (b) hardware
12. 12.🧩 Is a calculator app hardware or software? (a) hardware (b) software
13. 13.True or false: Ctrl+V is the shortcut to copy. (a) False (b) True
14. 14.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
15. 15.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) cut (c) copy (d) print
16. 16.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+X
17. 17.🧩 Is a webcam hardware or software? (a) hardware (b) software
18. 18.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the icon (c) the cursor (d) the folder
19. 19.📄 A file name ends in .png. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
20. 20.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
21. 21.💾 How many bits are there in 9 bytes?
22. 22.True or false: Ctrl+X is the shortcut to redo. (a) True (b) False
23. 23.🧩 Is a keyboard hardware or software? (a) software (b) hardware
24. 24.True or false: a microphone is an output device. (a) False (b) True
25. 25.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) copy (c) print (d) select all
26. 26.🧩 Is a mouse hardware or software? (a) software (b) hardware
27. 27.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
28. 28.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
29. 29.True or false: to create a file means to store your work. (a) True (b) False
30. 30.Which of these is hardware? (a) a scanner (b) an operating system (c) a music player app (d) a word processor
31. 31.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
32. 32.Which of these is hardware? (a) a web browser (b) a keyboard (c) an operating system (d) a computer game
33. 33.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) delete (c) save (d) create
34. 34.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps data when off (d) loses data when off
35. 35.Which file ending is a picture? (a) .mp4 (b) .mp3 (c) .png (d) .wav
36. 36.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
37. 37.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
38. 38.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
39. 39.💾 How many bytes are there in 2 KB?
40. 40.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) copy (c) create (d) delete

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets