Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 197 · 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 of these is software? (a) a hard disk (b) a paint program (c) a monitor (d) a speaker
2. 2.✋ Which can we touch: hardware or software? (a) software (b) hardware
3. 3.💾 How many bits are there in 9 bytes?
4. 4.True or false: a computer game is software. (a) False (b) True
5. 5.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) redo (c) select all (d) print
6. 6.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) undo (d) print
7. 7.💾 How many MB are there in 3 GB?
8. 8.💾 How many bits are there in 5 bytes?
9. 9.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
10. 10.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) delete (c) copy (d) rename
11. 11.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
12. 12.🧩 Is a mouse hardware or software? (a) hardware (b) software
13. 13.🧩 Is a computer game hardware or software? (a) software (b) hardware
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Delete (d) Undo
15. 15.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the pen drive (c) the memory card (d) the hard disk
16. 16.🔍 Which is the odd one out? (a) a web browser (b) a typing tutor (c) a monitor (d) a paint program
17. 17.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) redo (c) select all (d) print
18. 18.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
19. 19.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
20. 20.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
21. 21.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
22. 22.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
23. 23.🔍 Which is the odd one out? (a) a speaker (b) a mouse (c) a computer game (d) a keyboard
24. 24.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) copy (c) paste (d) save
25. 25.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) pen drive (b) keyboard (c) solid-state drive (d) memory card
27. 27.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
28. 28.True or false: a printer is hardware. (a) False (b) True
29. 29.Which of these is hardware? (a) a monitor (b) a computer game (c) a word processor (d) a typing tutor
30. 30.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
31. 31.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
32. 32.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
33. 33.True or false: a printer is an input device. (a) False (b) True
34. 34.True or false: a paint program is hardware. (a) True (b) False
35. 35.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) weight (d) name
36. 36.True or false: RAM holds apps that are open. (a) False (b) True
37. 37.Which of these is a storage device? (a) monitor (b) scanner (c) pen drive (d) speaker
38. 38.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
39. 39.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
40. 40.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) create (c) copy (d) move

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