Renjith G questions

• How can I allocate a 2D array using double pointers?
• Threads/Process comparison on Linux/Windows
• Return code values in an embedded system written in C
• How MMU(Memory management Unit) unit in a processor protects the memory segments
• What are function epilogues and prologues?
• How to find N's complement of a number?
• Any compiler which takes 'char' as 'unsigned' ?
• Concept of "dead code stripping" in compiler optimization options
• What is the exact meaning of 'N' bit processor ? , clarification for freescale arch
• Flow of Startup code in an embedded system , concept of boot loader?

Renjith G answers