Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 834 · 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 shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+X (d) Ctrl+V
2. 2.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) copy (c) paste (d) redo
3. 3.💾 How many GB are there in 2 TB?
4. 4.True or false: a memory card is a storage device. (a) False (b) True
5. 5.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
6. 6.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
7. 7.What does it mean to copy a file? (a) throw it away (b) keep your work for later (c) make a brand-new one (d) make an exact twin
8. 8.Which file ending is a sound? (a) .pdf (b) .jpg (c) .mp3 (d) .png
9. 9.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
10. 10.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) save (d) delete
11. 11.🔍 Which is the odd one out? (a) a printer (b) a mouse (c) a hard disk (d) a word processor
12. 12.Which of these is software? (a) a printer (b) a monitor (c) a scanner (d) an operating system
13. 13.Which of these is true of RAM? (a) is temporary memory (b) is permanent storage (c) keeps photos for years (d) keeps your saved files
14. 14.Which of these is software? (a) a paint program (b) a printer (c) a mouse (d) a scanner
15. 15.🧩 Is a scanner hardware or software? (a) hardware (b) software
16. 16.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
17. 17.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
18. 18.True or false: a calculator app is software. (a) False (b) True
19. 19.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
20. 20.🔍 Which is the odd one out? (a) a paint program (b) a typing tutor (c) a mouse (d) a computer game
21. 21.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
22. 22.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
23. 23.💾 How many KB are there in 3 MB?
24. 24.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) copy (c) select all (d) paste
25. 25.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) type and edit text (d) cook food
26. 26.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) instructions (d) screws
27. 27.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Undo (d) Copy
28. 28.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) holds apps that are open (d) keeps data when off
29. 29.True or false: a projector is an input device. (a) False (b) True
30. 30.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
31. 31.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
32. 32.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) move (c) copy (d) open
33. 33.Which of these is an output device? (a) pen drive (b) mouse (c) hard disk (d) speaker
34. 34.Which of these is hardware? (a) a word processor (b) a hard disk (c) a calculator app (d) a music player app
35. 35.True or false: to copy a file means to change its name. (a) False (b) True
36. 36.True or false: Ctrl+P is the shortcut to undo. (a) True (b) False
37. 37.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) a printer (d) an icon
38. 38.True or false: a mouse is an input device. (a) False (b) True
39. 39.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
40. 40.Which of these is an input device? (a) monitor (b) memory card (c) keyboard (d) printer

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