Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 910 · 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.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) save (d) select
2. 2.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
3. 3.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) keyboard (d) speaker
4. 4.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) cut (c) undo (d) redo
5. 5.📁 Which word means to “get rid of it” (for a file or folder)? (a) save (b) copy (c) delete (d) open
6. 6.Which file ending is a picture? (a) .mp4 (b) .mkv (c) .txt (d) .png
7. 7.📁 Which word means to “change its name” (for a file or folder)? (a) open (b) move (c) delete (d) rename
8. 8.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
9. 9.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an output device (c) an input device
10. 10.Which of these is hardware? (a) a music player app (b) a typing tutor (c) a web browser (d) a scanner
11. 11.🧰 Is a microphone a storage, input or output device? (a) an input device (b) a storage device (c) an output device
12. 12.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+Z
13. 13.🧩 Is a hard disk hardware or software? (a) hardware (b) software
14. 14.Which file ending is a video? (a) .mp4 (b) .txt (c) .png (d) .pdf
15. 15.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) paper storage (d) cloud storage
16. 16.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
17. 17.True or false: a pen drive is hardware. (a) True (b) False
18. 18.True or false: a computer game is hardware. (a) False (b) True
19. 19.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
20. 20.True or false: Ctrl+C is the shortcut to paste. (a) True (b) False
21. 21.Which file ending is a video? (a) .wav (b) .mp3 (c) .avi (d) .jpg
22. 22.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
23. 23.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
24. 24.💾 How many KB are there in 3 MB?
25. 25.True or false: a webcam is hardware. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a music player app (b) a computer game (c) a typing tutor (d) a pen drive
27. 27.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
28. 28.True or false: a scanner is an input device. (a) False (b) True
29. 29.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
30. 30.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
31. 31.True or false: a paint program is hardware. (a) False (b) True
32. 32.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
33. 33.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
34. 34.True or false: a hard disk is a storage device. (a) True (b) False
35. 35.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
36. 36.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
37. 37.True or false: a printer is hardware. (a) True (b) False
38. 38.Which of these is a storage device? (a) hard disk (b) speaker (c) printer (d) scanner
39. 39.True or false: to move a file means to put it in another place. (a) False (b) True
40. 40.True or false: a printer is software. (a) True (b) False

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