Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 699 · 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 is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
2. 2.💾 How many bits are there in 9 bytes?
3. 3.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
4. 4.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
5. 5.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) undo (c) redo (d) print
6. 6.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) keyboard (d) memory card
7. 7.🧰 Is a monitor a storage, input or output device? (a) an input device (b) a storage device (c) an output device
8. 8.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
9. 9.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
10. 10.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an input device (c) an output device
11. 11.🧩 Is a calculator app hardware or software? (a) hardware (b) software
12. 12.True or false: a music player app is software. (a) True (b) False
13. 13.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
14. 14.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
15. 15.Which of these is hardware? (a) a mouse (b) a music player app (c) a web browser (d) an operating system
16. 16.🔍 Which is the odd one out? (a) a speaker (b) a hard disk (c) a paint program (d) a mouse
17. 17.💾 How many KB are there in 2 MB?
18. 18.💾 How many KB are there in 4 MB?
19. 19.✋ Which can we touch: hardware or software? (a) software (b) hardware
20. 20.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) delete (c) create (d) rename
21. 21.🔍 Which is the odd one out? (a) pen drive (b) projector (c) speaker (d) monitor
22. 22.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) copy (c) cut (d) save
23. 23.True or false: a computer game is software. (a) False (b) True
24. 24.💾 How many MB are there in 1 GB?
25. 25.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
26. 26.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
27. 27.⚡ Which is faster for the computer to work with? (a) RAM (b) a memory card (c) a pen drive (d) a printer
28. 28.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
29. 29.True or false: a paint program is hardware. (a) True (b) False
30. 30.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+V (d) Ctrl+S
31. 31.True or false: to copy a file means to get rid of it. (a) True (b) False
32. 32.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
33. 33.🔍 Which is the odd one out? (a) a typing tutor (b) a pen drive (c) an operating system (d) a web browser
34. 34.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
35. 35.True or false: a mouse is hardware. (a) False (b) True
36. 36.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
37. 37.🔍 Which is the odd one out? (a) a typing tutor (b) a word processor (c) a paint program (d) a scanner
38. 38.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
39. 39.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
40. 40.🧩 Is a keyboard hardware or software? (a) software (b) hardware

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