Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 968 · 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 TB or 1 byte? (a) 1 byte (b) 1 TB
2. 2.True or false: a monitor is a storage device. (a) False (b) True
3. 3.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) cut (c) copy (d) select all
4. 4.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
5. 5.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
6. 6.💾 How many GB are there in 1 TB?
7. 7.True or false: a paint program is hardware. (a) False (b) True
8. 8.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) copy (c) paste (d) select all
9. 9.True or false: a computer game is software. (a) False (b) True
10. 10.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) select all (c) undo (d) copy
11. 11.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) select (d) delete
12. 12.Which of these is hardware? (a) an operating system (b) a printer (c) a paint program (d) a word processor
13. 13.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
14. 14.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+V (d) Ctrl+Z
15. 15.🧰 Is a speaker a storage, input or output device? (a) an input device (b) a storage device (c) an output device
16. 16.✋ Which can we touch: hardware or software? (a) hardware (b) software
17. 17.True or false: Ctrl+C is the shortcut to undo. (a) True (b) False
18. 18.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
19. 19.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) keeps your saved files (d) is the working memory
20. 20.True or false: a speaker is software. (a) True (b) False
21. 21.True or false: a hard disk is software. (a) False (b) True
22. 22.🧩 Is a keyboard hardware or software? (a) software (b) hardware
23. 23.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) copy (c) redo (d) paste
24. 24.True or false: to delete a file means to get rid of it. (a) True (b) False
25. 25.True or false: an operating system is hardware. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a printer (b) a computer game (c) a typing tutor (d) a calculator app
27. 27.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
28. 28.🧩 Is a speaker hardware or software? (a) software (b) hardware
29. 29.True or false: to delete a file means to throw it away. (a) False (b) True
30. 30.Which of these is an output device? (a) pen drive (b) monitor (c) scanner (d) memory card
31. 31.💾 How many MB are there in 1 GB?
32. 32.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
33. 33.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
34. 34.💾 How many MB are there in 2 GB?
35. 35.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
36. 36.Which of these is an output device? (a) pen drive (b) memory card (c) hard disk (d) printer
37. 37.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) loses data when off (d) holds apps that are open
38. 38.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
39. 39.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
40. 40.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a scanner (d) a paint program

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