Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 189 · 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 shortcut do we press to save? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+A (d) Ctrl+Z
2. 2.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) mouse pad (d) keyboard
3. 3.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
4. 4.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
5. 5.🔍 Which is the odd one out? (a) an operating system (b) a mouse (c) a hard disk (d) a scanner
6. 6.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
7. 7.💾 How many MB are there in 1 GB?
8. 8.▌ What is the blinking line that shows where you will type? (a) the folder (b) the cursor (c) the icon (d) the toolbar
9. 9.💾 How many KB are there in 2 MB?
10. 10.Which of these is hardware? (a) an operating system (b) a hard disk (c) a typing tutor (d) a web browser
11. 11.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) move (c) rename (d) open
12. 12.Which of these is software? (a) a speaker (b) a paint program (c) a webcam (d) a keyboard
13. 13.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
14. 14.Which of these is software? (a) a music player app (b) a keyboard (c) a mouse (d) a webcam
15. 15.Which of these is hardware? (a) a mouse (b) a web browser (c) a paint program (d) a calculator app
16. 16.True or false: to delete a file means to throw it away. (a) False (b) True
17. 17.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
18. 18.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) an output device (c) a storage device
19. 19.🔍 Which is the odd one out? (a) a mouse (b) a calculator app (c) a paint program (d) a typing tutor
20. 20.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
21. 21.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) undo (c) select all (d) paste
22. 22.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) save (c) paste (d) cut
23. 23.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
24. 24.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+Z
25. 25.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) paste (c) undo (d) select all
26. 26.What does it mean to move a file? (a) change its name (b) put it in another place (c) throw it away (d) give it a new name
27. 27.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) save (c) select (d) print
28. 28.Which of these is an output device? (a) monitor (b) memory card (c) scanner (d) hard disk
29. 29.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
30. 30.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) save (c) redo (d) cut
31. 31.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
32. 32.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) print (c) save (d) paste
33. 33.🧩 Is a webcam hardware or software? (a) hardware (b) software
34. 34.True or false: to rename a file means to give it a new name. (a) False (b) True
35. 35.What does it mean to delete a file? (a) make an exact twin (b) store your work (c) get rid of it (d) keep your work for later
36. 36.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
37. 37.🧩 Is a speaker hardware or software? (a) hardware (b) software
38. 38.True or false: a keyboard is an input device. (a) True (b) False
39. 39.True or false: Ctrl+A is the shortcut to copy. (a) False (b) True
40. 40.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage

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