Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 349 · 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 monitor is software. (a) False (b) True
2. 2.🧩 Is a paint program hardware or software? (a) hardware (b) software
3. 3.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
4. 4.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
5. 5.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
6. 6.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
7. 7.True or false: Ctrl+V is the shortcut to save. (a) True (b) False
8. 8.True or false: Ctrl+P is the shortcut to undo. (a) False (b) True
9. 9.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
10. 10.Which of these is hardware? (a) a music player app (b) a web browser (c) a typing tutor (d) a monitor
11. 11.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
12. 12.🔍 Which is the odd one out? (a) a hard disk (b) a mouse (c) a printer (d) a word processor
13. 13.Which of these is hardware? (a) a calculator app (b) a word processor (c) a mouse (d) a typing tutor
14. 14.True or false: to delete a file means to make an exact twin. (a) True (b) False
15. 15.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) print (c) undo (d) paste
16. 16.🧩 Is a web browser hardware or software? (a) hardware (b) software
17. 17.True or false: RAM is permanent storage. (a) True (b) False
18. 18.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) name (d) taste
19. 19.📄 What does a word processor help us do? (a) type and edit text (b) cook food (c) fly a kite (d) water plants
20. 20.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
21. 21.🧩 Is a monitor hardware or software? (a) hardware (b) software
22. 22.📷 A camera keeps its photos on a small ___. (a) memory card (b) speaker (c) keyboard (d) mouse pad
23. 23.🧩 Is a mouse hardware or software? (a) software (b) hardware
24. 24.What does it mean to save a file? (a) change its name (b) put it in another place (c) get rid of it (d) keep your work for later
25. 25.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) is permanent storage (d) loses data when off
26. 26.Which of these is software? (a) a calculator app (b) a monitor (c) a speaker (d) a printer
27. 27.Which of these is an input device? (a) memory card (b) keyboard (c) hard disk (d) solid-state drive
28. 28.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) print (d) redo
29. 29.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
30. 30.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) farmers (d) plumbers
31. 31.True or false: RAM keeps your saved files. (a) True (b) False
32. 32.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) holds apps that are open (c) loses data when off (d) keeps your saved files
33. 33.🧩 Is a speaker hardware or software? (a) software (b) hardware
34. 34.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
35. 35.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) rename (c) copy (d) open
36. 36.🧩 Is a keyboard hardware or software? (a) hardware (b) software
37. 37.💾 How many bytes are there in 4 KB?
38. 38.Which of these is hardware? (a) a paint program (b) a web browser (c) a word processor (d) a speaker
39. 39.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Redo (c) Cut (d) Delete
40. 40.💾 How many MB are there in 2 GB?

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