Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 726 · 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.🧩 Is a calculator app hardware or software? (a) hardware (b) software
2. 2.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
3. 3.Which of these is a storage device? (a) pen drive (b) microphone (c) monitor (d) keyboard
4. 4.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
5. 5.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
6. 6.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
7. 7.🧩 Is a mouse hardware or software? (a) software (b) hardware
8. 8.🧩 Is a speaker hardware or software? (a) hardware (b) software
9. 9.What does it mean to save a file? (a) see what is inside (b) put it in another place (c) store your work (d) make an exact twin
10. 10.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+S
11. 11.🧰 Is a mouse a storage, input or output device? (a) an input device (b) a storage device (c) an output device
12. 12.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a speaker (d) a mouse
13. 13.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
14. 14.✋ Which can we touch: hardware or software? (a) hardware (b) software
15. 15.💾 How many bytes are there in 3 KB?
16. 16.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
17. 17.🧩 Is a keyboard hardware or software? (a) hardware (b) software
18. 18.🧩 Is a hard disk hardware or software? (a) software (b) hardware
19. 19.True or false: to save a file means to change its name. (a) True (b) False
20. 20.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Copy (c) Cut (d) Redo
21. 21.💾 How many bits are there in 5 bytes?
22. 22.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
23. 23.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
24. 24.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+F (c) Ctrl+I (d) Ctrl+B
25. 25.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) wires (d) screws
26. 26.💾 How many MB are there in 1 GB?
27. 27.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Save (d) Undo
28. 28.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) copy (c) open (d) save
29. 29.🧩 Is a pen drive hardware or software? (a) hardware (b) software
30. 30.True or false: to create a file means to make a brand-new one. (a) True (b) False
31. 31.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
32. 32.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
33. 33.True or false: Ctrl+A is the shortcut to save. (a) False (b) True
34. 34.True or false: a paint program is hardware. (a) True (b) False
35. 35.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
36. 36.True or false: to move a file means to give it a new name. (a) True (b) False
37. 37.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
38. 38.True or false: to open a file means to make a brand-new one. (a) True (b) False
39. 39.What does it mean to create a file? (a) make a brand-new one (b) get rid of it (c) change its name (d) keep your work for later
40. 40.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers

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