Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 877 · 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 pen drive is an input device. (a) False (b) True
2. 2.💾 How many bits are there in 6 bytes?
3. 3.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) is the working memory (c) is temporary memory (d) loses data when off
4. 4.True or false: Ctrl+C is the shortcut to undo. (a) True (b) False
5. 5.💾 How many GB are there in 2 TB?
6. 6.🧰 Is a memory card a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
8. 8.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) open (c) save (d) create
9. 9.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) RAM (c) the pen drive (d) the hard disk
10. 10.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) cook food (d) water plants
11. 11.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
12. 12.💾 How many bits are there in 3 bytes?
13. 13.True or false: to rename a file means to make a brand-new one. (a) True (b) False
14. 14.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
15. 15.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
16. 16.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
17. 17.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) redo (c) save (d) print
18. 18.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) cut (c) print (d) redo
19. 19.✋ Which can we touch: hardware or software? (a) software (b) hardware
20. 20.What does it mean to copy a file? (a) put it in another place (b) make an exact twin (c) see what is inside (d) get rid of it
21. 21.Which of these is software? (a) a computer game (b) a pen drive (c) a keyboard (d) a scanner
22. 22.🔍 Which is the odd one out? (a) a paint program (b) a printer (c) a calculator app (d) a music player app
23. 23.🔍 Which is the odd one out? (a) a scanner (b) a web browser (c) a computer game (d) an operating system
24. 24.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) holds apps that are open (d) keeps data when off
25. 25.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
26. 26.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
27. 27.▌ What is the blinking line that shows where you will type? (a) the icon (b) the cursor (c) the toolbar (d) the folder
28. 28.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
29. 29.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) a storage device (c) an input device
30. 30.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
31. 31.💾 How many bits are there in 4 bytes?
32. 32.🧩 Is an operating system hardware or software? (a) software (b) hardware
33. 33.True or false: RAM holds apps that are open. (a) True (b) False
34. 34.🧩 Is a webcam hardware or software? (a) software (b) hardware
35. 35.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) print (c) redo (d) save
36. 36.🔍 Which is the odd one out? (a) microphone (b) mouse (c) keyboard (d) projector
37. 37.Which file ending is a document? (a) .png (b) .gif (c) .txt (d) .mp4
38. 38.💾 How many bits are there in 1 byte?
39. 39.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Undo (c) Copy (d) Backspace
40. 40.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+A (d) Ctrl+V

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