Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 102 · 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.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
2. 2.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
3. 3.True or false: to open a file means to make a brand-new one. (a) True (b) False
4. 4.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
5. 5.Which of these is software? (a) a music player app (b) a pen drive (c) a keyboard (d) a monitor
6. 6.🔍 Which is the odd one out? (a) a paint program (b) a mouse (c) a scanner (d) a pen drive
7. 7.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
8. 8.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+P
9. 9.🧩 Is a mouse hardware or software? (a) hardware (b) software
10. 10.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) select all (c) paste (d) copy
11. 11.🧩 Is a speaker hardware or software? (a) hardware (b) software
12. 12.🔍 Which is the odd one out? (a) a mouse (b) a printer (c) a word processor (d) a monitor
13. 13.💾 How many bits are there in 3 bytes?
14. 14.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps your saved files (d) keeps data when off
15. 15.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) water plants (d) type and edit text
16. 16.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) cut (c) select all (d) save
17. 17.True or false: Ctrl+X is the shortcut to save. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a music player app (b) a paint program (c) a keyboard (d) a typing tutor
19. 19.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) copy (c) select all (d) save
20. 20.Which of these is software? (a) a monitor (b) a typing tutor (c) a speaker (d) a webcam
21. 21.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
22. 22.What does it mean to open a file? (a) get rid of it (b) change its name (c) see what is inside (d) put it in another place
23. 23.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
24. 24.🔍 Which is the odd one out? (a) a printer (b) a web browser (c) a scanner (d) a pen drive
25. 25.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
26. 26.True or false: a printer is software. (a) True (b) False
27. 27.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
28. 28.🔍 Which is the odd one out? (a) a scanner (b) a printer (c) a keyboard (d) an operating system
29. 29.💾 How many GB are there in 1 TB?
30. 30.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
31. 31.True or false: to rename a file means to give it a new name. (a) False (b) True
32. 32.True or false: Ctrl+P is the shortcut to cut. (a) False (b) True
33. 33.🧩 Is a keyboard hardware or software? (a) software (b) hardware
34. 34.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
35. 35.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
36. 36.Which file ending is a sound? (a) .png (b) .gif (c) .jpg (d) .mp3
37. 37.True or false: RAM holds apps that are open. (a) False (b) True
38. 38.Which file ending is a sound? (a) .jpg (b) .avi (c) .wav (d) .txt
39. 39.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a pixel (d) a folder
40. 40.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit

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