Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 181 · 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.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) select all (c) cut (d) copy
2. 2.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a memory card (d) a pen drive
3. 3.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
4. 4.Which file ending is a video? (a) .mp3 (b) .pdf (c) .mp4 (d) .jpg
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
6. 6.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
7. 7.Which of these is software? (a) a scanner (b) a web browser (c) a keyboard (d) a speaker
8. 8.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) smell (d) weight
9. 9.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+P
10. 10.True or false: to open a file means to make a brand-new one. (a) True (b) False
11. 11.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) select (d) delete
12. 12.Which of these is hardware? (a) a word processor (b) a computer game (c) a music player app (d) a speaker
13. 13.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the folder (d) the toolbar
14. 14.🧩 Is a music player app hardware or software? (a) hardware (b) software
15. 15.💾 How many bytes are there in 1 KB?
16. 16.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) speaker (d) keyboard
17. 17.True or false: a projector is an output device. (a) False (b) True
18. 18.Which file ending is a picture? (a) .pdf (b) .mp4 (c) .wav (d) .png
19. 19.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
20. 20.Which of these is hardware? (a) a web browser (b) a word processor (c) a paint program (d) a mouse
21. 21.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
22. 22.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
23. 23.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
24. 24.🧩 Is a pen drive hardware or software? (a) hardware (b) software
25. 25.💾 How many KB are there in 2 MB?
26. 26.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
27. 27.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) save (c) move (d) delete
28. 28.💾 How many GB are there in 2 TB?
29. 29.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
30. 30.🧩 Is a calculator app hardware or software? (a) hardware (b) software
31. 31.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) paper storage (d) cloud storage
32. 32.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) paste (c) print (d) select all
33. 33.True or false: a scanner is hardware. (a) False (b) True
34. 34.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
35. 35.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Cut (d) Undo
36. 36.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
37. 37.True or false: to rename a file means to give it a new name. (a) True (b) False
38. 38.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
39. 39.🔍 Which is the odd one out? (a) a monitor (b) a webcam (c) a speaker (d) a word processor
40. 40.True or false: a printer is hardware. (a) True (b) False

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