Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 411 · 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) 5 (b) 2 (c) 1 (d) 9
2. 2.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+S (d) Ctrl+C
3. 3.True or false: a monitor is software. (a) True (b) False
4. 4.🧩 Is a mouse hardware or software? (a) hardware (b) software
5. 5.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
6. 6.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
7. 7.📷 A camera keeps its photos on a small ___. (a) keyboard (b) mouse pad (c) memory card (d) speaker
8. 8.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+A (d) Ctrl+X
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
10. 10.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
11. 11.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) keeps your saved files (d) loses data when off
12. 12.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+X (d) Ctrl+Z
13. 13.True or false: a hard disk is software. (a) True (b) False
14. 14.💾 How many KB are there in 4 MB?
15. 15.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
16. 16.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
17. 17.🧩 Is a monitor hardware or software? (a) software (b) hardware
18. 18.🧩 Is an operating system hardware or software? (a) hardware (b) software
19. 19.🔍 Which is the odd one out? (a) monitor (b) solid-state drive (c) projector (d) printer
20. 20.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
21. 21.True or false: to copy a file means to put it in another place. (a) True (b) False
22. 22.💾 How many bits are there in 4 bytes?
23. 23.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) keeps data when off
24. 24.True or false: a printer is hardware. (a) False (b) True
25. 25.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Y
26. 26.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
27. 27.Which file ending is a sound? (a) .wav (b) .mp4 (c) .jpg (d) .txt
28. 28.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
29. 29.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
30. 30.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
31. 31.Which of these is a storage device? (a) microphone (b) monitor (c) hard disk (d) mouse
32. 32.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
33. 33.True or false: Ctrl+P is the shortcut to copy. (a) True (b) False
34. 34.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
35. 35.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
36. 36.Which of these is hardware? (a) a music player app (b) a webcam (c) a typing tutor (d) a calculator app
37. 37.🔍 Which is the odd one out? (a) a paint program (b) a keyboard (c) a calculator app (d) a music player app
38. 38.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
39. 39.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) rain storage (d) cloud storage
40. 40.True or false: storage (like a hard disk) loses data when off. (a) True (b) False

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