|“Persistent desktops could potentially become an administrative nightmare. The amount of disk space needed to maintain this setting will grow and datacenter storage doesn’t come cheap. Patching and upgrades are now necessary for each persistent image and this can eat up tons of man hours, which usually occur after hours.” —Greg Stuart|
Today’s WhatIs.com Word of the Day is persistent desktop, a virtual desktop that retains the user’s data from session to session.
|“Human beings have binocular vision — each eye sees a different image, and the brain combines them into a single, unified picture. The brain uses the slight difference in angle between the two images, known as parallax, to help it perceive depth.” — Tracy V. Wilson|
Today’s WhatIs.com Word of the Day is parallax — it describes the way an object’s position or direction seems to change depending on which eye you have open. In 3-D imaging, this phenomena is used to create the illusion of depth.
|“This week, both Google and Microsoft announced offerings that aim to provide more IT value than other cloud storage and file-sharing services. Unlike Dropbox, Google and Microsoft use their file-sharing services to extend applications.” — James Furbush|
|“It’s tempting to think that the future will be only HTML5 apps, but in reality HTML5 VDI clients will never have the performance or features of native clients.” — Brian Madden|
|“We learn English and maths not for specific jobs but because they’re life skills. Coding is a life skill too.” — Kevin Fong|
Today’s WhatIs.com Word of the Day is Raspberry Pi, a single-board $35 computer for education.
|“An investigation by Rockefeller’s Senate Commerce Science and Transportation Committee last year found that phone companies had placed $10 billion in third-party charges on customers’ landline phone bills over the last five years — and that a large percentage of those charges were unauthorized.” — Brendan Sasso|
Today’s WhatIs.com Word of the Day is cramming, padding your phone bill with sneaky little charges for things you don’t want and never knew you were paying for.
U.S. Senator Amy Klobuchar has convinced Verizon, CenturyLink and AT&T to stop cramming landline phone bills. The Senator is on the Commerce Subcommittee on Communications, Technology and the Internet — which has oversight over the FCC and the wireless industry.
“Bad computer memory is one of the three main reasons for random system failures; the other two are heat (usually caused by fans or heatsinks being blocked with dust) and bad power.” — Serdar Yegulalp
Today’s WhatIs.com Word of the Day is memory map, a massive table that tells your computer how much memory is available and helps ensure that data is always written to, and read from, the proper places.
There’s an interesting article at Forbes.com this week about recent advances in understanding human memory. Author Roger Kay writes about his own memory issues and explains how memories may not be held in their entirety in the brain but are maintained as a kind of chemical residue of the original perception.
That means my brain, in effect, uses hash values to store and retrieve data. Does that also mean that when I remember things incorrectly it’s because my brain has suffered from a hash collision? Makes sense to me!
|“Advanced metering infrastructure (AMI) components — in particular, the smart meters that are responsible for measuring and managing the delivery of electricity use for more than 110 million households and companies in the United States — rely on secure communications channels in order to transmit usage data. Many AMI equipment manufacturers rely on PKI for identification, authentication and establishment of secure communications channels.” — Seth Bromberger|
Today’s WhatIs.com Word of the Day is smart meter hack. If you live way out in the country, you may still have an old-fashioned spinning mechanical electrical meter, but you are fast becoming the exception. Ironically, the very features that motivate power companies to install smart meters also make them vulnerable to new kinds of attacks. According to an FBI bulletin, smart meter hacks may end up costing utility companies about $400 million per year.
Keep your eye out for a new kind of service provider who will independently verify the security of AMI components and the smart networks they use.
|“Anonymous is more of a brand and a franchise that is borrowed and often abused by anyone. I’m concerned about the false attacks and pretenders stealing intellectual property in the name of ‘Anonymous.’” — Joshua Corman|
Today’s WhatIs.com Word of the Day is Anonymous, a decentralized hacktivist group which is either a gang of Robin Hood’s merry men, an authoritarian self-appointed collective Sheriff of Nottingham, or simply a group of politically-motivated cowards with computer skills, depending on who you talk to.
Anonymous has its roots in the Antisec movement in the early 2000s and its members, when seen in public, often wear Guy Fawkes masks.
|“Even if you haven’t heard the name ‘seven-segment display’ before, you’ve probably seen quite a few in your lifetime. They appear on pretty much every piece of electronic equipment that needs to display numbers for any reason, like the timer on a microwave oven, the display on a CD player, or the time on your digital wristwatch.” — Dmitry Brant|
Today’s WhatIs.om Word of the Day is seven-segment display. I’m old enough to remember the first wristwatches with digital display — big black things whose seven-segment displays used so much power that the owner had to push a button to light up the display before he could see the time.