Computer GK – Set 6

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Computer GK – Set 6

1) Phishing Attack is related to – Phishing Attack কিহৰ সৈতে জড়িত ?

A) False Website (নকল ৱেবচাইট) | B) Antivirus | C) Hardware | D) Networking

Ans: A) False Website

Explanation: Phishing uses fake websites to steal sensitive information like passwords and bank details. : Phishingত নকল ৱেবচাইট ব্যৱহাৰ কৰি password আৰু ব্যক্তিগত তথ্য চুৰি কৰা হয়।

2) Which one is Utility Software ? তলৰ কোনটো Utility Software ?

A) MS Word | B) WinZip | C) Photoshop | D) Chrome

Ans: B) WinZip

Explanation: WinZip is used for compressing and extracting files. : WinZip ফাইল compress আৰু extract কৰিবলৈ ব্যৱহাৰ হয়।

3) Which one is considered as the brain of a computer ? কম্পিউটাৰৰ মগজু (brain) কাক কোৱা হয় ?

A) Monitor | B) Processor (CPU) | C) Keyboard | D) Mouse

Ans: B) Processor (CPU)
Explanation: CPU controls all operations and processes data. : CPU সকলো কাম নিয়ন্ত্ৰণ কৰে আৰু data process কৰে।

4) Bluetooth technology uses – Bluetooth technology কিহৰ ওপৰত আধাৰিত ?

A) Infrared | B) Cable | C) Radio Wave | D) Fiber

Ans: C) Radio Wave
Explanation: Bluetooth uses low-power radio waves for wireless communication. : Bluetoothত radio wave ব্যৱহাৰ কৰি wireless সংযোগ কৰা হয়।

5) Which one is a High-Level Programming Language ? তলৰ কোনটো High-Level Programming Language ?

A) Machine Language | B) Assembly | C) Python | D) Binary

Ans: C) Python
Explanation: Python is easy to read and widely used high-level language. : Python এটা সহজ আৰু বহুল ব্যৱহৃত high-level ভাষা।

6) Which device is mainly related to network security ? Network securityৰ সৈতে কোন device জড়িত ?

A) Router | B) Firewall | C) Switch | D) Hub

Ans: B) Firewall
Explanation: Firewall blocks unauthorized access and protects networks. : Firewall অনধিকার প্ৰৱেশ বন্ধ কৰি network সুৰক্ষিত ৰাখে।

7) Which one is the strongest password ? তলৰ কোনটো আটাইতকৈ শক্তিশালী password ?

A) 123456 | B) $4Rr#345we#jan21$ | C) password123 | D) abc123

Ans: B) $4Rr#345we#jan21$
Explanation: Strong passwords include mixed characters, numbers, and symbols. : শক্তিশালী passwordত আখৰ, সংখ্যা আৰু চিহ্ন থাকে।

8) Which communication media is needed for online banking from plane/ship ? বিমান বা জাহাজৰ পৰা online banking কৰিবলৈ কোন communication media লাগে ?

A) Wi-Fi | B) Fiber | C) Satellite | D) LAN

Ans: C) Satellite
Explanation: Satellite provides connectivity in remote areas. : দূৰৱৰ্তী ঠাইত satellite সংযোগ ব্যৱহাৰ হয়।

9) One Terabyte equals how many bytes ? 1 Terabyte কিমান byte সমান ?

A) 10⁶ | B) 10⁹ | C) 10¹¹ | D) 10¹²

Ans: D) 10¹² Bytes
Explanation: 1 TB = 1,000,000,000,000 bytes (decimal system). : 1 TB = ১০¹² byte (decimal পদ্ধতি)।