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    Home»In-depth»How miniaturisation will transform computing

    How miniaturisation will transform computing

    In-depth By The Conversation29 June 2015
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    intel-compute-stick-640-1

    Lenovo, the Chinese firm that has bought IBM’s cast-off PC business, has announced a miniaturised computer not much larger than a smartphone, which can be connected to any screen via an HDMI connection.

    Advances in electronic components manufacturing processes and integration have resulted in large-scale miniaturisation of computer systems. This has enabled the latest system-in-package and system-on-a-chip approaches, where the processor and other necessary functionality usually provided by many microchips can be incorporated into a single silicon chip package.

    Lenovo’s Ideacenter Stick 300 runs Windows 8 or Linux, is powered by a micro USB connector and comes fitted with a new Intel Bay Trail CPU, 2GB RAM, 32GB flash storage, an SD card reader, Wi-Fi — even speakers.

    Lenovo isn’t the first to shrink the PC down to pocket size. Intel’s Compute Stick is another dongle-sized computer with similar specs released this year.

    The Raspberry Pi, now upgraded to its second major release, was probably the first to provide the functionality of a desktop or laptop computer in a credit card-sized electronic board. Over 5m Raspberry Pi computers have been sold since launch in 2012.

    Google has used its stripped-down Chrome OS, based on its Chrome browser, to reduce a Chromebook (Chrome OS-powered laptop) down to the Chromebit. While the Chromebit is no larger than a USB flash drive, it’s markedly less powerful than Intel’s offering, as it is powered by the Rockchip RK3288, an ARM processor, which makes it comparable in power to a smartphone.

    There are other stick-sized, computers running low-power ARM processors capable of running Android, such as Cotton Candy or Google Chromecast. These plug into a digital television to play video directly to the TV or from Internet streaming services such as Netflix — but not much else.

    Computers this small are attractive for many organisations, such as schools and universities who need to equip functional computer laboratories at minimum cost while taking up as little space as possible. Low-power devices also consume less power, which keeps costs down.

    A typical desktop computer uses about 65-250W (plus 20-40W for an LCD monitor) — considerably higher than a typical PC-on-a-stick at about 10W. There are obvious business uses, such as digital signage and advertising when connected to screens or projectors.

    The Google Chromebit
    The Google Chromebit

    This new round of computer miniaturisation marks a third wave of computerisation. First there were room-sized computers, shared between many users — the mainframe era. These time-sharing systems gradually disappeared as computers were miniaturised, replaced by the one computer per user of the PC era.

    Today, one person could have many computers, whether recognisable as desktop and laptop PCs or smartphones or compute sticks, but which are accessible everywhere and anywhere. Known as ubiquitous or pervasive computing, this is the third wave in computing.

    As all computing devices grow smaller, the aim is that they are more connected and more integrated into our environment. The computing technology fades into our surroundings until only the user interface remains perceptible to users. It is an emerging discipline that brings computing to our living environments, makes those environments sensitive to us and have them adapt to the user’s needs. By enriching an environment with appropriate interconnected computing devices, the environment would be able to sense changes and support decisions that benefit its users.

    There is a growing interest in these smart spaces using miniaturised computing technologies to support our daily lives more effectively. For example, smart offices, classrooms and homes that allow computers to monitor and control what is happening in the environment.

    Apple’s HomeKit and Google’s Nest are a start in this direction, providing the hardware and software to allow home automation. A smart home that monitors temperature and movement could allow elderly to remain self-sufficient and independent in their own home, for example, and voice activated devices could help everyday tasks such as ordering the shopping. A smart office could remind staff of information such as meeting reminders. It could turn the lights on and off, or control heating and cooling efficiently. A smart hospital ward will monitor patients and warn doctors and nurses of any potential problem or human errors.

    The Smart Anything Everywhere vision of the European Commission drives research and development in this area. The evolution and disruptive innovation across the field of computing, from the Internet of things, smart cities and smart spaces down to nanoelectronics — the applications and benefits of greater miniaturisation of computers are endless.The Conversation

    • Ahmad Lotfi is reader in computational intelligence at Nottingham Trent University
    • This article was originally published on The Conversation
    Ahmad Lotfi Intel Lenovo Raspberry Pi
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