Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 366 · 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 byte or 1 KB? (a) 1 byte (b) 1 KB
2. 2.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
3. 3.🔍 Which is the odd one out? (a) a web browser (b) a mouse (c) a pen drive (d) a keyboard
4. 4.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
5. 5.What does it mean to rename a file? (a) store your work (b) change its name (c) get rid of it (d) make a brand-new one
6. 6.💾 How many GB are there in 1 TB?
7. 7.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Z
8. 8.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
9. 9.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
10. 10.💾 How many KB are there in 4 MB?
11. 11.True or false: to rename a file means to give it a new name. (a) False (b) True
12. 12.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the toolbar (d) the cursor
13. 13.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) fly a kite (d) cook food
14. 14.💾 How many bits are there in 1 byte?
15. 15.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
16. 16.🧩 Is a monitor hardware or software? (a) software (b) hardware
17. 17.True or false: RAM holds apps that are open. (a) False (b) True
18. 18.🧩 Is a calculator app hardware or software? (a) software (b) hardware
19. 19.True or false: a keyboard is hardware. (a) False (b) True
20. 20.True or false: a typing tutor is software. (a) False (b) True
21. 21.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
22. 22.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) select all (d) undo
23. 23.📁 Which word means to “put it in another place” (for a file or folder)? (a) open (b) copy (c) move (d) delete
24. 24.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
25. 25.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
26. 26.✋ Which can we touch: hardware or software? (a) hardware (b) software
27. 27.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
28. 28.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
29. 29.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Undo (d) Copy
30. 30.True or false: a microphone is an output device. (a) False (b) True
31. 31.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) a storage device (c) an input device
32. 32.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
33. 33.True or false: to create a file means to change its name. (a) True (b) False
34. 34.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
35. 35.Which of these is software? (a) a printer (b) a scanner (c) a speaker (d) a computer game
36. 36.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
37. 37.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
38. 38.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
39. 39.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) redo (c) cut (d) paste
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) copy (c) paste (d) undo

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