Which of the following is harmful for a computer?

Which of the following is harmful for a computer? Correct Answer Virus

উপরোক্ত অপশনের মধ্যে চারটি অপশন ই কম্পিউটারের জন্য ক্ষতিকর তবে সবচেয়ে বেশি ক্ষতিকর হল ভাইরাস। পাশাপাশি কম্পিউটারের হার্ডওয়্যার দীর্ঘদিন ব্যবহার উপযোগী রাখার জন্য অতিরিক্ত তাপমাত্রা, পানি এবং ধুলাবালি থেকে কম্পিউটারকে সুরক্ষিত রাখতে হবে।
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