Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 766 · 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 the odd one out? (a) solid-state drive (b) memory card (c) hard disk (d) mouse
2. 2.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) paper storage (c) box storage (d) rain storage
3. 3.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) buttons (d) instructions
4. 4.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
5. 5.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is the working memory (c) loses data when off (d) keeps your saved files
6. 6.💾 How many bytes are there in 3 KB?
7. 7.🔍 Which is the odd one out? (a) microphone (b) memory card (c) solid-state drive (d) pen drive
8. 8.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
9. 9.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+A (d) Ctrl+S
10. 10.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
11. 11.True or false: RAM keeps data when off. (a) False (b) True
12. 12.Which of these is an input device? (a) speaker (b) solid-state drive (c) pen drive (d) scanner
13. 13.Which of these is hardware? (a) a calculator app (b) a music player app (c) a computer game (d) a monitor
14. 14.True or false: a pen drive is hardware. (a) True (b) False
15. 15.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
16. 16.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
17. 17.🔍 Which is the odd one out? (a) a web browser (b) a hard disk (c) a webcam (d) a monitor
18. 18.🔍 Which is the odd one out? (a) a monitor (b) a keyboard (c) an operating system (d) a speaker
19. 19.True or false: a pen drive is an input device. (a) False (b) True
20. 20.💾 How many GB are there in 2 TB?
21. 21.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) rename (c) save (d) copy
22. 22.Which of these is hardware? (a) a scanner (b) a word processor (c) an operating system (d) a computer game
23. 23.True or false: a projector is an output device. (a) True (b) False
24. 24.✋ Which can we touch: hardware or software? (a) hardware (b) software
25. 25.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) paste (c) undo (d) redo
26. 26.🔍 Which is the odd one out? (a) a keyboard (b) a calculator app (c) a pen drive (d) a hard disk
27. 27.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) print (d) select
28. 28.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a memory card (d) a printer
29. 29.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) select all (c) save (d) undo
30. 30.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is the working memory (d) is permanent storage
31. 31.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
32. 32.What does it mean to copy a file? (a) store your work (b) make an exact twin (c) change its name (d) make a brand-new one
33. 33.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+C (d) Ctrl+V
34. 34.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) holds apps that are open (c) is the working memory (d) is temporary memory
35. 35.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
36. 36.True or false: a keyboard is an output device. (a) True (b) False
37. 37.Which of these is hardware? (a) a calculator app (b) a music player app (c) a word processor (d) a printer
38. 38.What does it mean to create a file? (a) store your work (b) give it a new name (c) make an exact twin (d) make a brand-new one
39. 39.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
40. 40.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) taste (d) name

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