Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 466 · 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 byte or 1 bit? (a) 1 byte (b) 1 bit
2. 2.🔍 Which is the odd one out? (a) a keyboard (b) a webcam (c) a monitor (d) a music player app
3. 3.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
4. 4.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
5. 5.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
6. 6.True or false: a pen drive is an input device. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a word processor (d) a speaker
8. 8.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+X (d) Ctrl+Y
9. 9.🔍 Which is the odd one out? (a) a hard disk (b) a pen drive (c) a web browser (d) a scanner
10. 10.Which of these is hardware? (a) a paint program (b) a printer (c) a typing tutor (d) a word processor
11. 11.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+C (d) Ctrl+A
12. 12.🧩 Is a web browser hardware or software? (a) hardware (b) software
13. 13.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
14. 14.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
15. 15.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
16. 16.💾 How many bits are there in 12 bytes?
17. 17.Which of these is hardware? (a) an operating system (b) a webcam (c) a web browser (d) a calculator app
18. 18.✋ Which can we touch: hardware or software? (a) software (b) hardware
19. 19.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
20. 20.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
21. 21.True or false: to delete a file means to store your work. (a) True (b) False
22. 22.Which of these is software? (a) a monitor (b) a paint program (c) a speaker (d) a hard disk
23. 23.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
24. 24.True or false: an operating system is software. (a) False (b) True
25. 25.📄 What does a word processor help us do? (a) cook food (b) type and edit text (c) fly a kite (d) water plants
26. 26.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
27. 27.🔍 Which is the odd one out? (a) mouse (b) memory card (c) solid-state drive (d) hard disk
28. 28.🧩 Is a monitor hardware or software? (a) software (b) hardware
29. 29.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) copy (c) delete (d) rename
30. 30.True or false: a monitor is software. (a) True (b) False
31. 31.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) loses data when off (d) holds apps that are open
32. 32.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
33. 33.True or false: to rename a file means to change its name. (a) True (b) False
34. 34.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
35. 35.Which file ending is a sound? (a) .wav (b) .txt (c) .avi (d) .png
36. 36.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) name (d) taste
37. 37.💾 How many KB are there in 2 MB?
38. 38.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
39. 39.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
40. 40.True or false: RAM keeps your saved files. (a) True (b) False

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