Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 969 · 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.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
2. 2.True or false: to delete a file means to throw it away. (a) False (b) True
3. 3.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+S (d) Ctrl+X
4. 4.🔍 Which is the odd one out? (a) mouse (b) scanner (c) keyboard (d) pen drive
5. 5.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
6. 6.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+X
7. 7.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
8. 8.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
9. 9.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
10. 10.Which of these is software? (a) a webcam (b) a mouse (c) a calculator app (d) a pen drive
11. 11.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) save (c) rename (d) open
12. 12.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) rain storage (c) cloud storage (d) paper storage
13. 13.💾 How many bytes are there in 2 KB?
14. 14.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+S
15. 15.Which of these is an output device? (a) scanner (b) microphone (c) monitor (d) keyboard
16. 16.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
17. 17.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
18. 18.Which of these is an input device? (a) solid-state drive (b) pen drive (c) memory card (d) scanner
19. 19.True or false: a music player app is software. (a) True (b) False
20. 20.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
21. 21.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
22. 22.🧩 Is a hard disk hardware or software? (a) software (b) hardware
23. 23.📁 What do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a big file (d) a printer
24. 24.🔍 Which is the odd one out? (a) a computer game (b) a speaker (c) a word processor (d) a typing tutor
25. 25.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
26. 26.Which of these is hardware? (a) a mouse (b) a paint program (c) a web browser (d) a word processor
27. 27.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) keeps your saved files (d) holds apps that are open
28. 28.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
29. 29.True or false: to delete a file means to make an exact twin. (a) True (b) False
30. 30.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
31. 31.True or false: Ctrl+X is the shortcut to select all. (a) True (b) False
32. 32.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
33. 33.Which file ending is a document? (a) .txt (b) .mp4 (c) .avi (d) .png
34. 34.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+V (d) Ctrl+A
35. 35.💾 How many GB are there in 2 TB?
36. 36.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Undo (d) Delete
37. 37.Which file ending is a sound? (a) .jpg (b) .mp4 (c) .pdf (d) .mp3
38. 38.💾 How many MB are there in 1 GB?
39. 39.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+F (d) Ctrl+I
40. 40.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is the working memory (c) is temporary memory (d) holds apps that are open

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