Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 370 · 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 smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
2. 2.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
3. 3.🔍 Which is the odd one out? (a) monitor (b) printer (c) microphone (d) speaker
4. 4.🧩 Is a monitor hardware or software? (a) software (b) hardware
5. 5.Which file ending is a sound? (a) .wav (b) .avi (c) .gif (d) .jpg
6. 6.🧰 Is a memory card a storage, input or output device? (a) an input device (b) an output device (c) a storage device
7. 7.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
8. 8.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps data when off (d) holds apps that are open
9. 9.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) cut (c) select all (d) redo
10. 10.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) print (c) cut (d) copy
11. 11.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
12. 12.True or false: a music player app is software. (a) True (b) False
13. 13.Which of these is hardware? (a) a paint program (b) an operating system (c) a monitor (d) a calculator app
14. 14.True or false: a printer is software. (a) False (b) True
15. 15.True or false: a pen drive is an output device. (a) True (b) False
16. 16.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
17. 17.💾 How many bits are there in 10 bytes?
18. 18.💾 How many bytes are there in 4 KB?
19. 19.True or false: a printer is an output device. (a) False (b) True
20. 20.True or false: a music player app is hardware. (a) True (b) False
21. 21.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) move (c) copy (d) create
22. 22.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
23. 23.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) paste (c) select all (d) undo
24. 24.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
25. 25.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
26. 26.📁 Which word means to “store your work” (for a file or folder)? (a) move (b) delete (c) save (d) copy
27. 27.True or false: a monitor is hardware. (a) False (b) True
28. 28.Which of these is an input device? (a) pen drive (b) speaker (c) mouse (d) memory card
29. 29.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
30. 30.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
31. 31.Which of these is hardware? (a) a word processor (b) a computer game (c) an operating system (d) a pen drive
32. 32.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
33. 33.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+V
34. 34.💾 How many MB are there in 3 GB?
35. 35.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
36. 36.Which of these is software? (a) a printer (b) a scanner (c) a pen drive (d) a word processor
37. 37.🔍 Which is the odd one out? (a) memory card (b) hard disk (c) scanner (d) solid-state drive
38. 38.True or false: to create a file means to make a brand-new one. (a) True (b) False
39. 39.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
40. 40.🔍 Which is the odd one out? (a) a speaker (b) a computer game (c) a music player app (d) a word processor

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets