Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 999 · 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.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
2. 2.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
3. 3.True or false: a typing tutor is software. (a) True (b) False
4. 4.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+F (d) Ctrl+I
5. 5.🧩 Is a pen drive hardware or software? (a) software (b) hardware
6. 6.Which of these is software? (a) a printer (b) an operating system (c) a webcam (d) a monitor
7. 7.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) copy (c) select all (d) undo
9. 9.🔍 Which is the odd one out? (a) a word processor (b) a webcam (c) a mouse (d) a speaker
10. 10.True or false: to open a file means to throw it away. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a monitor (b) a scanner (c) a speaker (d) a paint program
12. 12.Which of these is hardware? (a) a keyboard (b) a calculator app (c) a music player app (d) a typing tutor
13. 13.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
14. 14.💾 How many bytes are there in 1 KB?
15. 15.True or false: to rename a file means to change its name. (a) True (b) False
16. 16.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the folder (c) the cursor (d) the icon
17. 17.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) copy (c) move (d) create
18. 18.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Copy (c) Undo (d) Delete
19. 19.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
20. 20.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
21. 21.True or false: a mouse is hardware. (a) True (b) False
22. 22.True or false: to copy a file means to change its name. (a) False (b) True
23. 23.💾 How many KB are there in 3 MB?
24. 24.What does it mean to copy a file? (a) get rid of it (b) make a brand-new one (c) change its name (d) make an exact twin
25. 25.True or false: Ctrl+Y is the shortcut to print. (a) True (b) False
26. 26.Which of these is hardware? (a) a speaker (b) a calculator app (c) a web browser (d) a computer game
27. 27.🧰 Is a monitor a storage, input or output device? (a) a storage device (b) an input device (c) an output device
28. 28.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
29. 29.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) copy (c) cut (d) print
30. 30.What does it mean to rename a file? (a) store your work (b) make a brand-new one (c) change its name (d) get rid of it
31. 31.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) cut (c) print (d) redo
32. 32.What does it mean to move a file? (a) put it in another place (b) make an exact twin (c) change its name (d) make a brand-new one
33. 33.Which file ending is a video? (a) .mkv (b) .png (c) .pdf (d) .gif
34. 34.💾 How many GB are there in 1 TB?
35. 35.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) mouse pad (d) keyboard
36. 36.Which of these is software? (a) a scanner (b) a web browser (c) a speaker (d) a mouse
37. 37.💾 How many KB are there in 2 MB?
38. 38.💾 How many MB are there in 1 GB?
39. 39.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
40. 40.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) print (d) save

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