COMPUTER FUNDAMENTALS

Detailed explanation-1: -Which of the following is the drawback for cordless telephones? Explanation: Cordless telephone systems are wireless, but they have a disadvantage of limited coverage area with cell size of approx. 300 m. Being digital, they have very less chance of eaves dropping.

Detailed explanation-2: -Cordless telephones are devices that take the place of a telephone instrument within a home or office and permit very limited mobility-up to 100 metres (330 feet).

Detailed explanation-3: -The communication between the base unit and the handset is wireless and the range is limited to 50 meters. In the base unit all call processing circuits like amplifiers and also ring circuit is present. In addition a transceiver is also present which is used for communication with the handset.

Detailed explanation-4: -* Safety. A wireless phone often works when other means of making a call don’t. During power outs, after accidents, whenever an emergency arises, a cell phone can be a real lifesaver. * Entertainment.

Detailed explanation-5: -Cordless telephone system consists of two units viz. base unit and portable unit(referred as handset). Base unit is wired with standard telephone line. It is powered from AC mains and provide place to place and charge the handset unit on it.