Lithium batteries are very popular now due to it’s competing technology and has certainly reduced the good old alkaline battery. Lithium has the highest specific energy of all and is much lighter than other types of rechargeable batteries of the same size. They have a longer life than the other batteries, to say it last more than 3 times the predicted use time which means a better value for money.

Many portable electronic devices are using compact flash today. Compact flash means mass storage device format. Compactflash carrying the usage of flash memory in many standard enclosure for storing. In 1994 Sandisk was the first company which has launched compactflash format in the market.

HDMI has very high digital transmission speed standard with the data rate of approximately 4.95 Gbps. The HDMI switch helps the end users to select multiple HDMI sources like set-top boxes, DVD players into 1 HD monitor. The basic models of this switch are 2x1 HDMI switches meaning that there are 2 inputs and 1 output. This model helps the user to switch between 2 HDMI sources. The another model is 4x1 HDMI switches meaning that they allow the users to select up to 4 HDMI sources. It is advisable to select a model of 4 ports for future expandability.

CGI and Java Scripts are both functional with both Netscape and Internet Explorer browsers. But there is an essential difference between the two. Java functions as a code executed and downloaded in the clients' side while CGI operates with the server. Before probing deeper into the difference of the two, let us first try to understand these two often-used scripts.