Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 88 · 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.💾 How many GB are there in 2 TB?
2. 2.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
3. 3.🧩 Is a monitor hardware or software? (a) software (b) hardware
4. 4.True or false: a hard disk is a storage device. (a) False (b) True
5. 5.🧩 Is a music player app hardware or software? (a) hardware (b) software
6. 6.🔍 Which is the odd one out? (a) printer (b) monitor (c) projector (d) pen drive
7. 7.What does it mean to delete a file? (a) throw it away (b) see what is inside (c) store your work (d) keep your work for later
8. 8.True or false: a pen drive is software. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a keyboard (d) a webcam
10. 10.True or false: a web browser is hardware. (a) False (b) True
11. 11.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+B (d) Ctrl+F
12. 12.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Z
13. 13.Which of these is software? (a) a speaker (b) an operating system (c) a printer (d) a pen drive
14. 14.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
15. 15.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
16. 16.Which of these is software? (a) a word processor (b) a mouse (c) a webcam (d) a pen drive
17. 17.True or false: a pen drive is an input device. (a) False (b) True
18. 18.What does it mean to delete a file? (a) give it a new name (b) put it in another place (c) get rid of it (d) make a brand-new one
19. 19.Which file ending is a document? (a) .txt (b) .mp4 (c) .wav (d) .mp3
20. 20.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
21. 21.Which of these is an input device? (a) pen drive (b) monitor (c) microphone (d) memory card
22. 22.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
23. 23.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
24. 24.What does it mean to open a file? (a) make a brand-new one (b) see what is inside (c) change its name (d) give it a new name
25. 25.🔍 Which is the odd one out? (a) a printer (b) a monitor (c) a scanner (d) a web browser
26. 26.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) plumbers (d) programmers
27. 27.What does it mean to save a file? (a) keep your work for later (b) see what is inside (c) give it a new name (d) get rid of it
28. 28.Which of these is software? (a) a monitor (b) a typing tutor (c) a keyboard (d) a scanner
29. 29.Which of these is software? (a) a mouse (b) a scanner (c) a music player app (d) a printer
30. 30.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+P
31. 31.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
32. 32.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) undo (c) redo (d) select all
33. 33.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) create (c) delete (d) save
34. 34.📄 What does a word processor help us do? (a) cook food (b) water plants (c) fly a kite (d) type and edit text
35. 35.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
36. 36.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
37. 37.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
38. 38.🧩 Is a hard disk hardware or software? (a) software (b) hardware
39. 39.🧩 Is a scanner hardware or software? (a) software (b) hardware
40. 40.True or false: a scanner is software. (a) True (b) False

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