Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 368 · 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.💾 How many bits are there in 8 bytes?
2. 2.✋ Which can we touch: hardware or software? (a) hardware (b) software
3. 3.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+V (d) Ctrl+P
4. 4.Which of these is a storage device? (a) speaker (b) microphone (c) projector (d) solid-state drive
5. 5.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
6. 6.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
7. 7.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
8. 8.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
9. 9.💾 How many MB are there in 1 GB?
10. 10.🔍 Which is the odd one out? (a) projector (b) keyboard (c) mouse (d) microphone
11. 11.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) save (c) cut (d) copy
12. 12.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
13. 13.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is permanent storage (c) holds apps that are open (d) is temporary memory
14. 14.True or false: RAM loses data when off. (a) True (b) False
15. 15.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
16. 16.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) loses data when off (d) keeps data when off
17. 17.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
18. 18.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
19. 19.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) delete (c) move (d) rename
20. 20.💾 How many bits are there in 5 bytes?
21. 21.What does it mean to move a file? (a) make an exact twin (b) put it in another place (c) change its name (d) see what is inside
22. 22.🧩 Is an operating system hardware or software? (a) hardware (b) software
23. 23.True or false: a mouse is a storage device. (a) True (b) False
24. 24.Which of these is hardware? (a) a paint program (b) a computer game (c) a typing tutor (d) a webcam
25. 25.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
26. 26.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
27. 27.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
28. 28.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) redo (c) paste (d) undo
29. 29.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) delete (c) save (d) create
30. 30.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
31. 31.🧩 Is a speaker hardware or software? (a) software (b) hardware
32. 32.What does it mean to rename a file? (a) change its name (b) see what is inside (c) get rid of it (d) keep your work for later
33. 33.🔍 Which is the odd one out? (a) a music player app (b) a printer (c) a hard disk (d) a monitor
34. 34.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
35. 35.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Redo (c) Copy (d) Delete
36. 36.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) save (c) create (d) rename
37. 37.Which of these is an input device? (a) hard disk (b) monitor (c) printer (d) keyboard
38. 38.🧩 Is a keyboard hardware or software? (a) hardware (b) software
39. 39.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) save (c) create (d) rename
40. 40.🧩 Is a computer game hardware or software? (a) hardware (b) software

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