Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 797 · 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) a webcam (b) an operating system (c) a word processor (d) a calculator app
2. 2.True or false: to rename a file means to keep your work for later. (a) False (b) True
3. 3.True or false: a paint program is hardware. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a mouse (d) a word processor
5. 5.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
6. 6.True or false: Ctrl+A is the shortcut to save. (a) False (b) True
7. 7.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) holds apps that are open (c) is the working memory (d) keeps photos for years
8. 8.🧩 Is a hard disk hardware or software? (a) software (b) hardware
9. 9.Which of these is hardware? (a) a paint program (b) a speaker (c) a web browser (d) a calculator app
10. 10.🔍 Which is the odd one out? (a) memory card (b) speaker (c) solid-state drive (d) pen drive
11. 11.🔍 Which is the odd one out? (a) printer (b) speaker (c) solid-state drive (d) projector
12. 12.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
13. 13.Which file ending is a sound? (a) .mp4 (b) .gif (c) .jpg (d) .mp3
14. 14.True or false: RAM holds apps that are open. (a) True (b) False
15. 15.💾 How many GB are there in 2 TB?
16. 16.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
17. 17.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
18. 18.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
19. 19.🧩 Is a mouse hardware or software? (a) software (b) hardware
20. 20.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
21. 21.True or false: RAM loses data when off. (a) False (b) True
22. 22.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
23. 23.💾 How many KB are there in 2 MB?
24. 24.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a memory card (d) a pen drive
25. 25.True or false: to create a file means to make a brand-new one. (a) False (b) True
26. 26.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
27. 27.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
28. 28.💾 How many bytes are there in 1 KB?
29. 29.True or false: a mouse is software. (a) False (b) True
30. 30.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) instructions (d) screws
31. 31.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
32. 32.🧩 Is a keyboard hardware or software? (a) hardware (b) software
33. 33.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) select all (c) undo (d) cut
34. 34.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) is the working memory (d) keeps your saved files
35. 35.Which of these is hardware? (a) a music player app (b) a pen drive (c) an operating system (d) a typing tutor
36. 36.What does it mean to save a file? (a) see what is inside (b) get rid of it (c) keep your work for later (d) make an exact twin
37. 37.What does it mean to delete a file? (a) give it a new name (b) throw it away (c) make a brand-new one (d) store your work
38. 38.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
39. 39.What does it mean to rename a file? (a) put it in another place (b) throw it away (c) store your work (d) change its name
40. 40.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1

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