Read GPS data from Photographs using PHP

Modern cameras equipped with GPS receivers add the GPS coordinates to every photographs it takes. Using this data, the exact location where the photograph was taken can be determined. This information can be very useful when archiving or organizing the photographs. The GPS data will be embedded in the photo along with the EXIF header. In this post I will show you how to extract this information and convert it to some meaningful data using PHP.

Characteristics of a Network

Every network is characterized by a set of properties or factors that determines the usability of the network. These characteristics may be imposed due to hardware limitations or due to the implementation technique used. The seven major characteristics of a network are described here.

Physical Components of a Network

A network is a collection of interconnected devices and end systems such as computers, servers etc which can communicate with each other. Networks can be found in different types of environments such as home, small office or large enterprises. Every network is composed of a few essential components which are described here.

How a Mobile Phone Call is Made

For most of us, a mobile phone is a part of the life, and we use it regularly to make or receive a number of calls. Have you ever wondered how a mobile phone establishes a call or receives a call. If you think yes, then read on. In this post I have tried to explain the steps that occur to establish a mobile phone call. Before jumping to the steps, you need to know some basic terms related to mobile phone communication system which is also given. After that, the steps involved in making and receiving a call is also described.

Samsung Galaxy Y, A Smart Choice

If you are looking for an entry level smart phone running on android, then the Samsung Galaxy Y is a perfect option. Priced slightly under Rs8000 in the Indian market, this phone is worth the price. Packed with features, yet simple and elegant, this phone is gaining serious attention. This phone with a 3 inch TFT screen and a full touch bar form factor, weighs under 100g and runs on the Android 2.3 (Gingerbread) OS.

MAC Address - A brief Note

A MAC Address or Media Access Control Address is a unique number given to every Network Interface Card (NIC) which forms the interface between the network and the hardware. It is usually a 48bit number which is hard coded into the hardware during manufacturing. MAC address is written in hexadecimal format and is divided into 6 octets. Typically a MAC address looks like 00:0A:FF:C3:5B:88 or 00-0A-FF-C3-5B-88. It is a globally unique number, that is no two devices will have the same MAC address.

Care your Laptops for an Extended Life

Caring your Laptop is not a difficult task but this complex machine requires some serious attention.
Nowadays from students to businessman, most of them own a laptop. Most of them buy one without knowing the fact that they are investing a huge amount on something that is meant to last only for 3 to 4 years. Yes, it is true that most laptops are expected to work smoothly for only about 3 to 4 years. After that there are increased chances of some parts failing which amounts to a costly replacement. If unfortunate enough, you may have the entire machine dead.

Light Emitting Diode - Future source of Lighting

Light Emitting Diode abbreviated as LED is a break through in the category of light sources which is set to be the hero of future lighting. This semiconductor device can produce high luminous output with a low power consumption and hence can be termed as a Eco-friendly device.