Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 57 · 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 the odd one out? (a) a monitor (b) a computer game (c) a scanner (d) a pen drive
2. 2.Which of these is a storage device? (a) projector (b) keyboard (c) speaker (d) solid-state drive
3. 3.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
4. 4.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the memory card (d) the hard disk
5. 5.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
6. 6.💾 How many bytes are there in 1 KB?
7. 7.🔍 Which is the odd one out? (a) an operating system (b) a printer (c) a pen drive (d) a mouse
8. 8.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
9. 9.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps data when off (c) holds apps that are open (d) is the working memory
10. 10.Which of these is software? (a) a speaker (b) a webcam (c) a keyboard (d) a web browser
11. 11.Which of these is an output device? (a) scanner (b) pen drive (c) printer (d) memory card
12. 12.🔍 Which is the odd one out? (a) a monitor (b) a pen drive (c) a scanner (d) a typing tutor
13. 13.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+P
14. 14.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+X (d) Ctrl+P
15. 15.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
16. 16.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
17. 17.True or false: a mouse is hardware. (a) False (b) True
18. 18.Which file ending is a document? (a) .mkv (b) .avi (c) .jpg (d) .txt
19. 19.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
20. 20.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) cut (c) redo (d) undo
21. 21.💾 How many KB are there in 1 MB?
22. 22.🧩 Is a speaker hardware or software? (a) hardware (b) software
23. 23.💾 How many GB are there in 1 TB?
24. 24.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) solid-state drive (d) monitor
25. 25.🔍 Which is the odd one out? (a) a printer (b) a music player app (c) a pen drive (d) a speaker
26. 26.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
27. 27.🧩 Is a pen drive hardware or software? (a) software (b) hardware
28. 28.True or false: to open a file means to change its name. (a) True (b) False
29. 29.Which file ending is a picture? (a) .mkv (b) .mp4 (c) .png (d) .txt
30. 30.True or false: a word processor is software. (a) True (b) False
31. 31.True or false: Ctrl+X is the shortcut to copy. (a) False (b) True
32. 32.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
33. 33.True or false: a memory card is an input device. (a) True (b) False
34. 34.Which file ending is a sound? (a) .gif (b) .txt (c) .wav (d) .avi
35. 35.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
36. 36.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+A (d) Ctrl+X
37. 37.True or false: a keyboard is a storage device. (a) False (b) True
38. 38.True or false: a monitor is an output device. (a) False (b) True
39. 39.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
40. 40.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB

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