QnA Plus

What is Endianness? Difference between Big Endian and Little Endian

By Srikanta February 7, 2016TechnologyNo Comments

In computer and data communication, endianness refers to the ordering of bytes of a multi-byte data type in memory. In little endian systems, least significant byte is stored first in…

Why Function Pointers are Used in C

By Srikanta February 5, 2016C, ProgrammingNo Comments

During program execution, we know that variables are stored in the physical memory (RAM) in the process' address space. One variable can be stored in multiple bytes. The address of…

What is ARP and How does it work?

By Srikanta January 30, 2016Technology, NetworkingNo Comments

ARP stands for Address Resolution Protocol. It is used by the Internet Protocol (IP) to map IP network addresses (32 bit Logical Address) to the hardware addresses (48 bit Mac Address) used…

How to Download Album from Facebook

By Srikanta January 30, 2016TechnologyNo Comments

You can download all pictures from a Facebook album in a single go. You need to have the viewing permission of that album. This can be done using chrome browser…

How to install Ping or Ping6 using YUM

By Srikanta January 30, 2016Technology, NetworkingNo Comments

yum install iputils Ping is a network administration utility tool to check reachability of network node (computer or router) from a computer where the command runs. It also gives the…