Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 331 · 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.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
2. 2.True or false: RAM loses data when off. (a) False (b) True
3. 3.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
4. 4.📷 A camera keeps its photos on a small ___. (a) keyboard (b) memory card (c) mouse pad (d) speaker
5. 5.True or false: a projector is a storage device. (a) True (b) False
6. 6.Which of these is a storage device? (a) microphone (b) mouse (c) hard disk (d) speaker
7. 7.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) copy (c) rename (d) save
8. 8.Which of these is true of RAM? (a) keeps photos for years (b) is permanent storage (c) keeps your saved files (d) holds apps that are open
9. 9.🧩 Is a webcam hardware or software? (a) software (b) hardware
10. 10.Which of these is hardware? (a) a word processor (b) a paint program (c) a mouse (d) a typing tutor
11. 11.💾 How many KB are there in 1 MB?
12. 12.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
13. 13.True or false: to copy a file means to put it in another place. (a) False (b) True
14. 14.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
15. 15.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
16. 16.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
17. 17.Which of these is an output device? (a) printer (b) pen drive (c) hard disk (d) microphone
18. 18.True or false: to delete a file means to throw it away. (a) True (b) False
19. 19.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) rename (c) create (d) delete
20. 20.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
21. 21.✋ Which can we touch: hardware or software? (a) software (b) hardware
22. 22.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
23. 23.Which of these is hardware? (a) a typing tutor (b) a calculator app (c) a word processor (d) a keyboard
24. 24.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
25. 25.What does it mean to copy a file? (a) give it a new name (b) get rid of it (c) keep your work for later (d) make an exact twin
26. 26.🧩 Is a keyboard hardware or software? (a) hardware (b) software
27. 27.💾 How many MB are there in 2 GB?
28. 28.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
29. 29.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
30. 30.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Copy (c) Redo (d) Cut
31. 31.📁 Which word means to “get rid of it” (for a file or folder)? (a) create (b) delete (c) rename (d) save
32. 32.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) hard disk (d) monitor
33. 33.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) move (c) save (d) copy
34. 34.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
35. 35.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name
36. 36.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
37. 37.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
38. 38.True or false: RAM keeps your saved files. (a) True (b) False
39. 39.What does it mean to create a file? (a) get rid of it (b) store your work (c) make a brand-new one (d) make an exact twin
40. 40.True or false: to save a file means to keep your work for later. (a) False (b) True

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