Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 104 · 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.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) cloud storage (c) rain storage (d) box storage
2. 2.💾 How many MB are there in 1 GB?
3. 3.True or false: a hard disk is an output device. (a) False (b) True
4. 4.True or false: a hard disk is hardware. (a) True (b) False
5. 5.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
6. 6.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
7. 7.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) copy (c) paste (d) print
8. 8.🧩 Is a keyboard hardware or software? (a) software (b) hardware
9. 9.🧩 Is a calculator app hardware or software? (a) software (b) hardware
10. 10.🔍 Which is the odd one out? (a) monitor (b) pen drive (c) speaker (d) projector
11. 11.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) paste (c) copy (d) save
12. 12.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
13. 13.💾 How many MB are there in 3 GB?
14. 14.🔍 Which is the odd one out? (a) monitor (b) printer (c) projector (d) solid-state drive
15. 15.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
16. 16.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) select (d) save
17. 17.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
18. 18.🧩 Is a speaker hardware or software? (a) hardware (b) software
19. 19.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
20. 20.Which file ending is a video? (a) .png (b) .avi (c) .wav (d) .mp3
21. 21.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
22. 22.True or false: a speaker is software. (a) False (b) True
23. 23.💾 How many bits are there in 1 byte?
24. 24.Which of these is hardware? (a) a computer game (b) a typing tutor (c) a hard disk (d) a word processor
25. 25.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
26. 26.Which file ending is a sound? (a) .mkv (b) .txt (c) .mp3 (d) .png
27. 27.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) keeps your saved files (c) is temporary memory (d) holds apps that are open
28. 28.Which of these is hardware? (a) a typing tutor (b) a webcam (c) a word processor (d) a music player app
29. 29.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
30. 30.🧩 Is a word processor hardware or software? (a) software (b) hardware
31. 31.Which of these is software? (a) a music player app (b) a hard disk (c) a speaker (d) a scanner
32. 32.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
33. 33.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
34. 34.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+C (d) Ctrl+A
35. 35.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
36. 36.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
37. 37.True or false: a speaker is an output device. (a) False (b) True
38. 38.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a web browser (d) a pen drive
39. 39.🧩 Is a mouse hardware or software? (a) software (b) hardware
40. 40.True or false: Ctrl+S is the shortcut to copy. (a) False (b) True

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