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Showing posts from April, 2010

Turbo C 2.0: Complete 2000-Word Guide to Installation, Configuration, Errors, I/O, Graphic

Turbo C 2.0 is one of the classic and most influential C compilers used by programmers, students, and developers during the DOS era. Even today, many academic institutions still teach C programming using Turbo C because of its simple Integrated Development Environment (IDE) and easy-to-use tools. Although modern compilers are far more advanced, Turbo C remains an important learning tool for understanding the foundations of C programming. This comprehensive guide answers the most common questions related to Turbo C 2.0—installation, configuration, compiler usage, linker errors, graphics handling, file I/O, memory issues, and more. Whether you are a beginner trying Turbo C for the first time or a student preparing for lab exams, this detailed blog post will help you solve every typical issue encountered. 1. Installing Turbo C 2.0 Before writing programs, Turbo C must be properly installed. The installation process is straightforward and uses an INSTALL program stored on the install...

DNS Interview Questions, Answers & Troubleshooting Guid

This comprehensive guide covers important DNS (Domain Name System) interview questions, basic concepts, server types, DNS zones, resource records, and real-world troubleshooting scenarios. It is useful for system administrators, networking students, and professionals preparing for interviews. ⭐ DNS Interview Questions and Answers 1) What are the different types of DNS servers? Ans: Standard Primary Standard Secondary Active Directory–Integrated Root Server Caching-Only Server Forwarders Master DNS Server 2) What is TTL? Ans: TTL stands for Time To Live , defining how long a DNS record can be cached. 3) What is a PTR record? Ans: A Pointer (PTR) record is used in Reverse Lookup Zones to map an IP address to a hostname. 4) What is the primary purpose of DNS? Ans: DNS is mainly used for hostname-to-IP address resolution . 5) What is SOA (Start of Authority)? Ans: The SOA record stores key information such as the serial number, showing the num...