Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 693 · 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.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
2. 2.💾 How many GB are there in 1 TB?
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) select all (c) cut (d) paste
4. 4.💾 How many bytes are there in 1 KB?
5. 5.True or false: to rename a file means to give it a new name. (a) True (b) False
6. 6.Which of these is hardware? (a) a word processor (b) a music player app (c) a webcam (d) a paint program
7. 7.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
8. 8.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
9. 9.🧩 Is a web browser hardware or software? (a) hardware (b) software
10. 10.🔍 Which is the odd one out? (a) scanner (b) monitor (c) projector (d) speaker
11. 11.Which of these is true of RAM? (a) loses data when off (b) is permanent storage (c) keeps photos for years (d) keeps your saved files
12. 12.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
13. 13.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
14. 14.Which of these is software? (a) a webcam (b) a scanner (c) a hard disk (d) a computer game
15. 15.True or false: Ctrl+C is the shortcut to select all. (a) False (b) True
16. 16.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
17. 17.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) delete (c) save (d) print
18. 18.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) paste (c) print (d) copy
19. 19.Which of these is hardware? (a) a paint program (b) a web browser (c) a monitor (d) a calculator app
20. 20.🔍 Which is the odd one out? (a) speaker (b) pen drive (c) printer (d) projector
21. 21.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
22. 22.Which of these is true of RAM? (a) holds apps that are open (b) keeps photos for years (c) is permanent storage (d) keeps data when off
23. 23.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
24. 24.Which of these is software? (a) a pen drive (b) a speaker (c) a keyboard (d) a paint program
25. 25.True or false: a web browser is hardware. (a) True (b) False
26. 26.🧰 Is a monitor a storage, input or output device? (a) an output device (b) an input device (c) a storage device
27. 27.✋ Which can we touch: hardware or software? (a) software (b) hardware
28. 28.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an output device (c) an input device
29. 29.🧩 Is a mouse hardware or software? (a) software (b) hardware
30. 30.Which file ending is a picture? (a) .pdf (b) .wav (c) .png (d) .mp3
31. 31.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) move (c) copy (d) open
32. 32.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
33. 33.🔍 Which is the odd one out? (a) a speaker (b) a pen drive (c) a calculator app (d) a mouse
34. 34.True or false: Ctrl+A is the shortcut to undo. (a) False (b) True
35. 35.💾 How many MB are there in 2 GB?
36. 36.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
37. 37.True or false: a memory card is a storage device. (a) True (b) False
38. 38.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) holds apps that are open (d) keeps photos for years
39. 39.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+C
40. 40.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+P (d) Ctrl+A

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