Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 462 · 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 file ending is a picture? (a) .wav (b) .avi (c) .mp4 (d) .png
2. 2.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) select all (c) save (d) undo
3. 3.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
4. 4.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
5. 5.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
6. 6.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+F (c) Ctrl+I (d) Ctrl+U
7. 7.Which of these is hardware? (a) an operating system (b) a computer game (c) a monitor (d) a calculator app
8. 8.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
9. 9.🧰 Is a projector a storage, input or output device? (a) an input device (b) a storage device (c) an output device
10. 10.Which of these is software? (a) a music player app (b) a monitor (c) a hard disk (d) a webcam
11. 11.Which of these is a storage device? (a) keyboard (b) mouse (c) memory card (d) scanner
12. 12.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
13. 13.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) move (c) rename (d) save
14. 14.💾 How many bits are there in 7 bytes?
15. 15.Which of these is software? (a) a webcam (b) a calculator app (c) a mouse (d) a pen drive
16. 16.💾 How many GB are there in 1 TB?
17. 17.True or false: a printer is software. (a) False (b) True
18. 18.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+S
19. 19.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) undo (c) copy (d) print
20. 20.True or false: a word processor is hardware. (a) True (b) False
21. 21.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+C (d) Ctrl+S
22. 22.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) select (d) save
23. 23.🧩 Is a computer game hardware or software? (a) software (b) hardware
24. 24.True or false: a typing tutor is software. (a) True (b) False
25. 25.🧰 Is a mouse a storage, input or output device? (a) an input device (b) an output device (c) a storage device
26. 26.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a mouse (d) a word processor
27. 27.🔍 Which is the odd one out? (a) a word processor (b) a scanner (c) a web browser (d) a calculator app
28. 28.True or false: a computer game is hardware. (a) True (b) False
29. 29.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
30. 30.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
31. 31.🧩 Is an operating system hardware or software? (a) hardware (b) software
32. 32.Which of these is hardware? (a) a calculator app (b) an operating system (c) a keyboard (d) a music player app
33. 33.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) delete (c) create (d) open
34. 34.🧩 Is a word processor hardware or software? (a) software (b) hardware
35. 35.Which of these is a storage device? (a) mouse (b) microphone (c) hard disk (d) keyboard
36. 36.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
37. 37.True or false: a webcam is software. (a) False (b) True
38. 38.True or false: a monitor is software. (a) False (b) True
39. 39.What does it mean to delete a file? (a) get rid of it (b) give it a new name (c) make an exact twin (d) see what is inside
40. 40.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) redo (d) select all

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