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Communication in ICT.

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Introduction

UNIT 3A ICT as a whole, hardware such as computer and software, have improved at an exponential rate since its invention, the improvement of computer has been due to the increase detail of laser which make the processors. Computer these days double in performance every year whilst the price of computer are decreasing, making it more accessible to working class people which is a contrast to when it was first made for the military. Also the increasing amount of working class using ICT has made the programmer such as Microsoft make ICT easier to use. The making of ICT more accessible has had a huge effect on many people as well as businesses, such as people's work life, people's social life and their personal lives. Communication Mobile Phone In the last few years, the number of people owning mobile phones has greatly increased. Twenty years ago, mobile phone weren't very useful because they needed a large battery source but the improvement of ICT has made them smaller, therefore making it easier to use and move around. A mobile phone meets my needs because I uses a mobile phone cause unlike a normal house phone doesn't have a limit on where I can use it , so I can phone home when I am out, or in case of an emergency. ...read more.

Middle

The price of using a mobile compared to a house phone is usually more expensive. Internet The Internet, or simply the Net, is the publicly accessible worldwide system of interconnected computer networks that transmit data by packet switching using a standardized Internet Protocol (IP). Every site in the world has an IP address and each is unique i.e. Google's IP address (66.249.87.99) is totally unique. It is made up of thousands of smaller commercial, academic, domestic, and government networks. The internet allows for many different things such as communication, transferring data and research. The internet meets my needs as for my school work, I use the internet to research information for my ICT GCSE because be have to investigate the latest technologies available but however, there is some information, such as knowing what type of devices the person I am investigating for my special needs report use. That can only be obtained by asking questions directly to the person involved. Also if I wish to be able to have a file wherever I go, I can just email the file to myself so I don't need to carry a USB stick or another hardware which is able to contain data. ...read more.

Conclusion

or for carrying around personal data that the user typically wants to access in a variety of places. The near-ubiquity of USB support on modern computers means that such a drive will work in most places. Flash drives are also a relatively dense form of storage - even the cheapest will store dozens of floppy disks worth of data, and a moderately priced one can hold as much data as a CD or more. Like all flash memory devices, flash drives can sustain only a limited number of write/erase cycles before failure. In normal use, mid-range flash drives currently on the market will support several million cycles, although write operations will gradually slow as the device ages. This should be a consideration when using a flash drive as a hard drive to run application software or an operating system. When compared to a floppy drive, most USB flash drives do not employ a write-protect mechanism. Such a switch on the housing of the drive itself would keep the host computer from writing or modifying data on the drive. A write-protect switch would make the devices suitable for repairing virus contaminated host computers without infecting the USB flash drive itself. Flash drives are more tolerant of abuse than mechanical drives, but can still be damaged or have data corrupted if impact loosens circuit connections. ...read more.

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