Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 730 · 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 file ending is a video? (a) .jpg (b) .mp3 (c) .png (d) .mkv
2. 2.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) undo (c) cut (d) paste
3. 3.Which of these is an output device? (a) mouse (b) scanner (c) keyboard (d) monitor
4. 4.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) memory card (d) monitor
5. 5.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
6. 6.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.Which of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) keeps data when off (d) loses data when off
8. 8.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
9. 9.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) print (c) redo (d) save
10. 10.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
11. 11.Which of these is an input device? (a) pen drive (b) memory card (c) printer (d) microphone
12. 12.🔍 Which is the odd one out? (a) scanner (b) printer (c) monitor (d) speaker
13. 13.🧩 Is a paint program hardware or software? (a) hardware (b) software
14. 14.True or false: a keyboard is software. (a) True (b) False
15. 15.What does it mean to move a file? (a) change its name (b) put it in another place (c) keep your work for later (d) throw it away
16. 16.True or false: a printer is hardware. (a) False (b) True
17. 17.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
18. 18.🔍 Which is the odd one out? (a) pen drive (b) projector (c) printer (d) monitor
19. 19.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) copy (c) create (d) delete
20. 20.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
21. 21.💾 How many bits are there in 6 bytes?
22. 22.True or false: a hard disk is a storage device. (a) True (b) False
23. 23.✋ Which can we touch: hardware or software? (a) hardware (b) software
24. 24.True or false: a hard disk is an output device. (a) False (b) True
25. 25.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
26. 26.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
27. 27.Which of these is hardware? (a) an operating system (b) a computer game (c) a paint program (d) a speaker
28. 28.🔍 Which is the odd one out? (a) an operating system (b) a pen drive (c) a paint program (d) a word processor
29. 29.🧩 Is a keyboard hardware or software? (a) hardware (b) software
30. 30.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
31. 31.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
32. 32.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
33. 33.True or false: a projector is an output device. (a) True (b) False
34. 34.True or false: to save a file means to store your work. (a) False (b) True
35. 35.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) open (c) rename (d) create
36. 36.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) redo (c) copy (d) undo
37. 37.True or false: Ctrl+X is the shortcut to copy. (a) True (b) False
38. 38.💾 How many GB are there in 1 TB?
39. 39.Which of these is software? (a) a speaker (b) a keyboard (c) a webcam (d) an operating system
40. 40.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions

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