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কম্পিউটার 🔴mcq🔴🔴 exam

BCS Exam 50 Questions By JAGANNATH UNIVERSITY

কম্পিউটার 🔴mcq🔴🔴 exam For those studying or preparing for, this page contains 50 important questions and answers arranged in sequence. Each question is accompanied by the correct answer and, where necessary, a detailed explanation to help clarify your concepts. Read carefully and assess your own preparation.

1. CPU কীভাবে কাজ করে?

a) ডাটা স্টোর করে
b) ডাটা প্রসেস করে
c) ডাটা ডিলিট করে
d) ডাটা ট্রান্সফার করে
Answer: ডাটা প্রসেস করে

2. RAM এর পূর্ণ রূপ কী?

a) Read Access Memory
b) Random Access Memory
c) Readable Access Memory
d) Run Access Memory
Answer: Random Access Memory

3. ROM কী ধরনের মেমরি?

a) Volatile
b) Non-Volatile
c) Temporary
d) Dynamic
Answer: Non-Volatile

4. Which device is used for input?

a) Monitor
b) Keyboard
c) Printer
d) Speaker
Answer: Keyboard

5. Which device is used for output?

a) Mouse
b) Keyboard
c) Printer
d) Scanner
Answer: Printer

6. HTTP এর পূর্ণ রূপ কী?

a) Hyper Text Transfer Protocol
b) Hyper Text Transmission Protocol
c) High Text Transfer Protocol
d) Hyperlink Text Transfer Protocol
Answer: Hyper Text Transfer Protocol

7. IP address এর কাজ কী?

a) ডাটার গতি বাড়ানো
b) কম্পিউটার চিহ্নিত করা
c) মেমোরি সংরক্ষণ
d) প্রিন্টার কন্ট্রোল করা
Answer: কম্পিউটার চিহ্নিত করা

8. BIOS কীভাবে কাজ করে?

a) হার্ড ডিস্ক ফরম্যাট করে
b) কম্পিউটার চালু করে হার্ডওয়্যার চেক করে
c) ডাটা প্রসেস করে
d) ইন্টারনেট চালায়
Answer: কম্পিউটার চালু করে হার্ডওয়্যার চেক করে

9. Cache memory কোন ধরনের?

a) Volatile
b) Non-Volatile
c) Permanent
d) External
Answer: Volatile

10. Which is a storage device?

a) RAM
b) Hard Disk
c) CPU
d) Monitor
Answer: Hard Disk

11. Windows OS কে তৈরি করেছে?

a) Apple
b) Microsoft
c) IBM
d) Google
Answer: Microsoft

12. Linux কোন ধরনের OS?

a) Closed Source
b) Open Source
c) Proprietary
d) Commercial
Answer: Open Source

13. Which of the following is an example of an input device?

a) Monitor
b) Scanner
c) Printer
d) Speaker
Answer: Scanner

14. The brain of the computer is:

a) RAM
b) CPU
c) Hard Disk
d) Motherboard
Answer: CPU

15. Which is volatile memory?

a) ROM
b) RAM
c) Hard Disk
d) Flash Drive
Answer: RAM

16. SSD এর পূর্ণরূপ কী?

a) Solid State Disk
b) Solid State Drive
c) Static Storage Drive
d) Standard Storage Disk
Answer: Solid State Drive

17. Which one is software?

a) Keyboard
b) Windows 10
c) Monitor
d) CPU
Answer: Windows 10

18. Which is an example of application software?

a) MS Word
b) Linux Kernel
c) BIOS
d) Device Driver
Answer: MS Word

19. Which is system software?

a) MS Excel
b) Antivirus
c) Windows OS
d) MS PowerPoint
Answer: Windows OS

20. Ethernet is used for:

a) Printing
b) Internet Connection
c) Gaming
d) Storing Data
Answer: Internet Connection

21. URL এর পূর্ণরূপ কী?

a) Universal Resource Locator
b) Uniform Resource Locator
c) Uniform Reference Link
d) Universal Reference Link
Answer: Uniform Resource Locator

22. Which one is a web browser?

a) Google Chrome
b) Windows
c) Linux
d) MS Word
Answer: Google Chrome

23. Firewall এর কাজ কী?

a) হ্যাকিং করা
b) Network security নিশ্চিত করা
c) Data delete করা
d) Data save করা
Answer: Network security নিশ্চিত করা

24. Which language is used for web development?

a) HTML
b) C++
c) Java
d) Python
Answer: HTML

25. Which one is a programming language?

a) HTML
b) Python
c) CSS
d) JavaScript (markup)
Answer: Python

26. Which one is used for database management?

a) MySQL
b) Python
c) Java
d) C++
Answer: MySQL

27. GUI full form?

a) Graphic User Interface
b) Graphical User Internet
c) Graphic Unified Interface
d) Graph User Interaction
Answer: Graphic User Interface
Explanation: GUI এর পূর্ণরূপ হলো Graphical User Interface। এটি এমন এক ধরনের ইন্টারফেস যা ব্যবহারকারীকে টেক্সট কমান্ডের পরিবর্তে আইকন, মেনু এবং গ্রাফিক্যাল এলিমেন্টের মাধ্যমে কম্পিউটারের সাথে যোগাযোগ করতে সাহায্য করে। উইন্ডোজ (Windows), অ্যান্ড্রয়েড বা ম্যাক ওএস (macOS) হলো GUI-এর অন্যতম উদাহরণ।

28. Which is non-volatile memory?

a) RAM
b) ROM
c) Cache
d) Register
Answer: ROM

29. Which one is volatile memory?

a) ROM
b) RAM
c) Flash
d) SSD
Answer: RAM

30. HTTP এর জন্য কোন port ব্যবহার হয়?

a) 20
b) 21
c) 80
d) 443
Answer: 80

31. HTTPS এর জন্য কোন port ব্যবহার হয়?

a) 20
b) 21
c) 80
d) 443
Answer: 443

32. IP এর পূর্ণরূপ কী?

a) Internet Protocol
b) Internet Program
c) Internal Protocol
d) Internal Program
Answer: Internet Protocol

33. Which of the following is not a storage device?

a) CD
b) DVD
c) Monitor
d) Pen Drive
Answer: Monitor

34. Which one is a cloud storage service?

a) Google Drive
b) RAM
c) CPU
d) Hard Disk
Answer: Google Drive

35. Which is used to connect networks?

a) Router
b) Keyboard
c) CPU
d) Scanner
Answer: Router

36. Which one is an example of output device?

a) Monitor
b) Mouse
c) Keyboard
d) Scanner
Answer: Monitor

37. Malware full form:

a) Malicious Software
b) Managed Software
c) Main Software
d) Malfunctioned Software
Answer: Malicious Software

38. Which one is used to write programs?

a) Compiler
b) Keyboard
c) Monitor
d) Mouse
Answer: Compiler

39. Which one translates high-level code to machine code?

a) Compiler
b) Keyboard
c) OS
d) Monitor
Answer: Compiler

40. Which is first generation programming language?

a) Assembly Language
b) Machine Language
c) C Language
d) Python
Answer: Machine Language

41. Which is second generation programming language?

a) Assembly Language
b) Machine Language
c) C Language
d) Python
Answer: Assembly Language

42. Which is high-level language?

a) C
b) Assembly
c) Machine Language
d) Binary
Answer: C

43. Which one is a bit?

a) 1 byte
b) 1 bit
c) 8 bit
d) 1 KB
Answer: 1 bit

44. 1 Byte = ?

a) 4 bits
b) 8 bits
c) 16 bits
d) 32 bits
Answer: 8 bits

45. 1 KB = ?

a) 1000 bytes
b) 1024 bytes
c) 2048 bytes
d) 512 bytes
Answer: 1024 bytes

46. Which one is a primary memory?

a) Hard Disk
b) RAM
c) CD
d) DVD
Answer: RAM

47. Which one is secondary memory?

a) RAM
b) ROM
c) Hard Disk
d) Cache
Answer: Hard Disk

48. Which one is fastest memory?

a) RAM
b) ROM
c) Cache
d) Hard Disk
Answer: Cache

49. Which one is used to prevent unauthorized access?

a) Antivirus
b) Firewall
c) Router
d) Switch
Answer: Firewall

50. Which one is portable storage?

a) Hard Disk
b) SSD
c) Pen Drive
d) RAM
Answer: Pen Drive

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