Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 178 · 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 word means to “see what is inside” (for a file or folder)? (a) open (b) create (c) rename (d) save
2. 2.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
3. 3.True or false: a printer is software. (a) False (b) True
4. 4.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
5. 5.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
6. 6.💾 How many bits are there in 2 bytes?
7. 7.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
8. 8.🧩 Is a speaker hardware or software? (a) software (b) hardware
9. 9.Which of these is a storage device? (a) printer (b) scanner (c) hard disk (d) microphone
10. 10.True or false: a web browser is hardware. (a) False (b) True
11. 11.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
12. 12.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) loses data when off (d) is permanent storage
13. 13.🧩 Is a webcam hardware or software? (a) software (b) hardware
14. 14.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+F (d) Ctrl+B
15. 15.💾 How many KB are there in 1 MB?
16. 16.Which shortcut do we press to select all? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+P (d) Ctrl+A
17. 17.🧩 Is a music player app hardware or software? (a) hardware (b) software
18. 18.True or false: to move a file means to put it in another place. (a) False (b) True
19. 19.True or false: a solid-state drive is a storage device. (a) True (b) False
20. 20.Which file ending is a document? (a) .wav (b) .mkv (c) .gif (d) .txt
21. 21.💾 How many bytes are there in 2 KB?
22. 22.What does it mean to create a file? (a) put it in another place (b) keep your work for later (c) give it a new name (d) make a brand-new one
23. 23.Which of these is hardware? (a) an operating system (b) a hard disk (c) a web browser (d) a word processor
24. 24.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) redo (c) select all (d) print
25. 25.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
26. 26.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
27. 27.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) cook food (d) type and edit text
28. 28.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
29. 29.True or false: to copy a file means to give it a new name. (a) False (b) True
30. 30.🧩 Is a word processor hardware or software? (a) software (b) hardware
31. 31.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
32. 32.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
33. 33.True or false: Ctrl+A is the shortcut to copy. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) projector (b) monitor (c) pen drive (d) speaker
35. 35.Which of these is hardware? (a) a music player app (b) an operating system (c) a monitor (d) a typing tutor
36. 36.💾 How many KB are there in 2 MB?
37. 37.Which file ending is a sound? (a) .wav (b) .mp4 (c) .txt (d) .png
38. 38.✋ Which can we touch: hardware or software? (a) hardware (b) software
39. 39.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Z
40. 40.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit

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