Sunday, October 04, 2015
First Computer Virus Discovered In 1981
In the early 1970s Creeper was found an ARPANET. It was a worm that moved through modems to other systems where it displayed the message “I’M THE CREEPER : CATCH ME IF YOU CAN.” As described in Robert Slade’s history, the first virus in the wild actually predated the experimental work that defined current-day viruses. It was spread on Apple II floppy disks (which contained the operating system) and reputed to have spread from Texas A&M. [Side note: Thanks to a pointer from anti-virus pioneer Fridrik Skulason we know the virus was named Elk Cloner and displayed a little rhyme on the screen. The "Elk Cloner" for the Apple II Systems was created by Richard Skrenta. It infected the Apple DOS 3.3 and spread to other computers by floppy disk transfer. The "Elk Virus" was responsible for being the first computer virus to cause a massive outbreak ever in history. A program called Elk Cloner, written for Apple II systems, was created by Richard Skrenta. The Apple II was seen as particularly vulnerable due to the storage of its operating system on floppy disk. Elk Cloner's design combined with public ignorance about what malware was and how to protect against it led to Elk Cloner being responsible for the first large-scale computer virus outbreak in history. The term ``computer virus'' was formally defined by Fred Cohen in 1983, while he performed academic experiments on a Digital Equipment Corporation VAX system. Viruses are classified as being one of two types: research or ``in the wild.'' A research virus is one that has been written for research or study purposes and has received almost no distribution to the public. On the other hand, viruses which have been seen with any regularity are termed ``in the wild.'' The first computer viruses were developed in the early 1980s. The first viruses found in the wild were Apple II viruses, such as Elk Cloner, which was reported in 1981.
Saturday, October 03, 2015
Definition Of Computer Science And Engineering
The study of computation and computer technology, hardware, and software. Computer science is the scientific and practical approach to computation and its applications. It is the systematic study of the feasibility, structure, expression, and mechanization of the methodical procedures (or algorithms) that underlie the acquisition, representation, processing, storage, communication of, and access to information. An alternate, more succinct definition of computer science is the study of automating algorithmic processes that scale. A computer scientist specializes in the theory of computation and the design of computational systems. While we can easily identify the features and benefits of the Computer Science and Engineering department, making a choice always involves a subjective element: Is the field of computing right for you? Is the CSE department the right one for you? Computer engineering refers to the study that integrates electronic engineering with computer sciences to design and develop computer systems and other technological devices. The term computer engineering is often confused with computer science, but these two terms are different.
Friday, October 02, 2015
Interesting Facts About Dreams And Nightmares
How, when, why, who - there is a reason behind everything and that is exactly what's worth sharing here. Dreams sometimes leave you numb for a day and sometimes you have no idea what you dreamt about. An average human being spends 6 whole years of his/her life dreaming. There's a time limit to how much you can remember about your dream. Blind people can dream. The good part is that you can often control your dreams. There is not one person who doesn't dream, except those who have psychological disorders. Not everyone dreams in colour and not everyone dreams in black and white. It is very important for you to keep sleeping and dreaming when you're at the REM stage of your sleep. Nightmares are just another type of dream, but why do we have them? First and foremost, a nightmare is not different from a dream; ‘nightmare’ is simply the term given to a bad dream, and comes from ancient beliefs about evil spirits visiting the innocent while they sleep. No one knows exactly why we dream, but experts have speculated dreams are the mind’s way of making sense of the random signals that occur during REM sleep when proteins are being made. “Nightmares probably evolved to help make us anxious about potential dangers,” Harvard researcher Deirdre Barrett told Live Science in 2010. Though nightmares aren’t something to dwell on or waste time being upset about, if you are having nightmares frequently and they are disrupting your everyday life, pay a visit to your doctor.
Thursday, October 01, 2015
Sound Through HDMI Windows 10
You can connect your computer, laptop, phone to an HDMI external device using Windows 10. ou can experience 1080p “full HD” video and audio in a single digital interface using this standard. The first solution is to check whether the manufacturers of the external device has proper drivers for Windows 10. The second solution is to verify whether the audio on the playback device is activated in your Windows 10 “Sound” properties. The third solution is to verify if both the computer and TV are having HDMI functionality. Some HDMI devices comes with different ports like HDMI1, HDMI2, HDMI3 etc. HP users also faced problem with Windows 10 audio not working. If you are using a Microsoft Surface Pro Tablet having Windows 10 connected to HDMI TV, the mouse pointer may become erratic. AMD card owners can have different problems. Audio Front Panel on your computer may stop working, sometimes. Another user starting using Intel Stick PC that came with 8.1. The HP Omni 10 tablet can have some audio problems if connected to a HDMI device in Win 10. So sometimes updating the latest graphics, video drivers can also clear your audio problems.