Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 684 · 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.True or false: a calculator app is software. (a) False (b) True
2. 2.🧩 Is a web browser hardware or software? (a) software (b) hardware
3. 3.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
4. 4.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+P (d) Ctrl+S
5. 5.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
6. 6.🔍 Which is the odd one out? (a) a word processor (b) a web browser (c) a calculator app (d) a printer
7. 7.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
8. 8.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) RAM (d) a pen drive
9. 9.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
10. 10.🔍 Which is the odd one out? (a) a music player app (b) a hard disk (c) a word processor (d) a calculator app
11. 11.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
12. 12.Which file ending is a sound? (a) .mp3 (b) .avi (c) .mp4 (d) .jpg
13. 13.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
14. 14.Which of these is an output device? (a) hard disk (b) keyboard (c) printer (d) memory card
15. 15.Which file ending is a document? (a) .png (b) .txt (c) .avi (d) .wav
16. 16.🧰 Is a scanner a storage, input or output device? (a) an output device (b) a storage device (c) an input device
17. 17.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
18. 18.Which of these is software? (a) a mouse (b) a word processor (c) a keyboard (d) a pen drive
19. 19.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) type and edit text (d) cook food
20. 20.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
21. 21.💾 How many bits are there in 6 bytes?
22. 22.Which of these is hardware? (a) a monitor (b) a calculator app (c) a web browser (d) a paint program
23. 23.✋ Which can we touch: hardware or software? (a) hardware (b) software
24. 24.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+Y
25. 25.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
26. 26.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+P (d) Ctrl+Z
27. 27.True or false: a web browser is software. (a) True (b) False
28. 28.Which of these is an output device? (a) hard disk (b) scanner (c) monitor (d) solid-state drive
29. 29.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
30. 30.🧩 Is an operating system hardware or software? (a) hardware (b) software
31. 31.🧰 Is a mouse a storage, input or output device? (a) an output device (b) an input device (c) a storage device
32. 32.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) delete (c) create (d) move
33. 33.💾 How many KB are there in 3 MB?
34. 34.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) delete (c) save (d) rename
35. 35.🧩 Is a webcam hardware or software? (a) hardware (b) software
36. 36.What does it mean to rename a file? (a) make a brand-new one (b) change its name (c) put it in another place (d) store your work
37. 37.🧩 Is a computer game hardware or software? (a) software (b) hardware
38. 38.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
39. 39.True or false: Ctrl+Z is the shortcut to select all. (a) False (b) True
40. 40.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the hard disk (c) the memory card (d) RAM

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