Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 437 · 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 is faster for the computer to work with? (a) a printer (b) RAM (c) a memory card (d) a pen drive
2. 2.✋ Which can we touch: hardware or software? (a) hardware (b) software
3. 3.Which file ending is a video? (a) .jpg (b) .png (c) .gif (d) .avi
4. 4.💾 How many MB are there in 1 GB?
5. 5.True or false: a keyboard is software. (a) True (b) False
6. 6.True or false: a webcam is hardware. (a) False (b) True
7. 7.True or false: a monitor is an output device. (a) True (b) False
8. 8.Which of these is hardware? (a) a typing tutor (b) a computer game (c) a scanner (d) a paint program
9. 9.🔍 Which is the odd one out? (a) a pen drive (b) a printer (c) a hard disk (d) a word processor
10. 10.🧩 Is a keyboard hardware or software? (a) hardware (b) software
11. 11.💾 How many bytes are there in 1 KB?
12. 12.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) select (d) save
13. 13.Which of these is hardware? (a) a pen drive (b) a music player app (c) a calculator app (d) a computer game
14. 14.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
15. 15.Which file ending is a video? (a) .wav (b) .txt (c) .png (d) .mp4
16. 16.💾 How many GB are there in 1 TB?
17. 17.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) is the working memory (d) keeps data when off
18. 18.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the hard disk (d) the pen drive
19. 19.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
20. 20.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Copy (d) Undo
21. 21.True or false: a paint program is hardware. (a) True (b) False
22. 22.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) select all (c) print (d) copy
23. 23.True or false: a calculator app is hardware. (a) False (b) True
24. 24.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
25. 25.Which file ending is a sound? (a) .txt (b) .pdf (c) .png (d) .wav
26. 26.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Y
27. 27.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+A (d) Ctrl+Z
28. 28.What does it mean to create a file? (a) put it in another place (b) change its name (c) get rid of it (d) make a brand-new one
29. 29.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) name (d) smell
30. 30.💾 How many bytes are there in 4 KB?
31. 31.🔍 Which is the odd one out? (a) an operating system (b) a printer (c) a pen drive (d) a scanner
32. 32.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
33. 33.🔍 Which is the odd one out? (a) a keyboard (b) a webcam (c) a pen drive (d) a music player app
34. 34.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) paste (c) save (d) print
35. 35.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) copy (c) save (d) delete
36. 36.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+V (d) Ctrl+C
37. 37.🔍 Which is the odd one out? (a) microphone (b) keyboard (c) monitor (d) scanner
38. 38.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) paper storage (d) cloud storage
39. 39.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
40. 40.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False

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