Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 322 · 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 speaker (b) a scanner (c) a hard disk (d) a typing tutor
2. 2.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) cut (c) copy (d) print
3. 3.True or false: a calculator app is hardware. (a) False (b) True
4. 4.📁 Which word means to “store your work” (for a file or folder)? (a) move (b) save (c) create (d) rename
5. 5.💾 How many bits are there in 9 bytes?
6. 6.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
7. 7.🔍 Which is the odd one out? (a) scanner (b) mouse (c) monitor (d) microphone
8. 8.True or false: to delete a file means to make an exact twin. (a) False (b) True
9. 9.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) speaker (b) pen drive (c) printer (d) projector
11. 11.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
12. 12.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
13. 13.Which of these is hardware? (a) a paint program (b) a monitor (c) a computer game (d) a music player app
14. 14.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) delete (d) print
15. 15.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) screws (d) wires
16. 16.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
17. 17.True or false: a typing tutor is software. (a) True (b) False
18. 18.💾 How many KB are there in 2 MB?
19. 19.True or false: a memory card is a storage device. (a) True (b) False
20. 20.🧩 Is a webcam hardware or software? (a) software (b) hardware
21. 21.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
22. 22.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
23. 23.What does it mean to delete a file? (a) make an exact twin (b) throw it away (c) store your work (d) give it a new name
24. 24.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
25. 25.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Copy (d) Cut
27. 27.💾 How many bytes are there in 1 KB?
28. 28.True or false: RAM keeps data when off. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a webcam (b) a computer game (c) a printer (d) a mouse
30. 30.Which of these is an output device? (a) microphone (b) printer (c) pen drive (d) memory card
31. 31.🧩 Is a speaker hardware or software? (a) hardware (b) software
32. 32.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps your saved files (d) keeps photos for years
33. 33.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
34. 34.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) select all (c) save (d) undo
35. 35.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
36. 36.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
37. 37.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a speaker (d) a mouse
38. 38.📷 A camera keeps its photos on a small ___. (a) memory card (b) mouse pad (c) speaker (d) keyboard
39. 39.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) save (c) delete (d) rename
40. 40.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) copy (c) rename (d) delete

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