Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 864 · 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 shortcut do we press to save? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+S
2. 2.💾 How many bits are there in 4 bytes?
3. 3.🧩 Is a scanner hardware or software? (a) software (b) hardware
4. 4.Which file ending is a sound? (a) .pdf (b) .mp4 (c) .jpg (d) .wav
5. 5.🔍 Which is the odd one out? (a) solid-state drive (b) printer (c) speaker (d) projector
6. 6.🔍 Which is the odd one out? (a) solid-state drive (b) keyboard (c) hard disk (d) pen drive
7. 7.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
8. 8.Which file ending is a document? (a) .mp4 (b) .avi (c) .txt (d) .png
9. 9.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
10. 10.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) byte (d) GB
11. 11.What does it mean to rename a file? (a) make an exact twin (b) make a brand-new one (c) get rid of it (d) change its name
12. 12.🧩 Is a pen drive hardware or software? (a) hardware (b) software
13. 13.📄 What does a word processor help us do? (a) type and edit text (b) fly a kite (c) water plants (d) cook food
14. 14.📁 Which word means to “change its name” (for a file or folder)? (a) open (b) rename (c) move (d) delete
15. 15.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) smell (d) weight
16. 16.🔍 Which is the odd one out? (a) projector (b) hard disk (c) speaker (d) monitor
17. 17.🔍 Which is the odd one out? (a) a calculator app (b) an operating system (c) a speaker (d) a word processor
18. 18.True or false: to delete a file means to throw it away. (a) True (b) False
19. 19.True or false: to delete a file means to give it a new name. (a) True (b) False
20. 20.💾 How many GB are there in 2 TB?
21. 21.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
22. 22.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) delete (c) copy (d) rename
23. 23.True or false: a microphone is an input device. (a) False (b) True
24. 24.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
25. 25.🧩 Is a computer game hardware or software? (a) software (b) hardware
26. 26.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
27. 27.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
28. 28.Which of these is software? (a) a keyboard (b) a printer (c) a paint program (d) a mouse
29. 29.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) save (d) select
30. 30.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
31. 31.💾 How many GB are there in 1 TB?
32. 32.True or false: a web browser is hardware. (a) False (b) True
33. 33.🧩 Is a paint program hardware or software? (a) hardware (b) software
34. 34.Which of these is an input device? (a) pen drive (b) keyboard (c) projector (d) memory card
35. 35.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) select all (d) redo
36. 36.🧩 Is a word processor hardware or software? (a) software (b) hardware
37. 37.What does it mean to save a file? (a) change its name (b) keep your work for later (c) make a brand-new one (d) make an exact twin
38. 38.Which of these is a storage device? (a) printer (b) microphone (c) projector (d) pen drive
39. 39.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
40. 40.True or false: to copy a file means to see what is inside. (a) True (b) False

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