Wednesday, 11 February 2015

1st generation of Computer:


 From 1940-1956

 Basic technology used was Vacuum tube.

 Famous names of the computers of first generation  computers are MARK-1, UNIVAC, ENIAC.

                                      Images of ENIAC

                              

                           

                                     First Generation computers are characterised by the use of vacuum tubes. These vacuum tubes were used for calculation as well as storage and control. Later, magnetic tapes and magnetic drums were implemented as storage media. The first vacuum tube computer, ENIAC, was developed by US army ordinance to calculate ballistic firing tables in WWII. It had about 17 000 vacuum tubes. The machine weighed 30 tons, covered about 1000 square feet of floor, and consumed 130 or 140 kilowatts of electricity. The ENIAC's clock speed was about 100 kHz. In addition to ballistics, the ENIAC's field of application included weather prediction, atomic-energy calculations, cosmic-ray studies, thermal ignition, random-number studies, wind-tunnel design, and other scientific uses. No electronic computers were being applied to commercial problems until about 1951.

Vacuum tube circuit

picture of vacuum tube circuitThis is an example of a vacuum tube based circuit used in a first generation computer (a Burroughs), pictured here next to a transistor based circuit, with similar functionality, from a second generation computer (the IBM 1620). The vacuum tubes (at the top of the circuit) have been damaged because of overheating. We suspect that this particular circuit is a 4-bit register. Circuits created i this way were extremely bulky. To create a 32-bit ADD circuit would require 800 logic gates using a total of 1,504 transistors. In vacuum tube based computers, this many vacuum tubes would take up a space about the size of a refrigerator.







                                                            Images of MARK 1




About MARK-1         

The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University’s staff,[1] was a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II.
The original concept was presented to IBM by Howard Aiken in November 1937.[2] After a feasibility study by IBM’s engineers,Thomas Watson Sr. personally approved the project and its funding in February 1939.
Howard Aiken had started to look for a company to design and build his calculator in early 1937. After two rejections,[3] he was shown a demonstration set that Charles Babbage’s son had given to Harvard university 50 years earlier. This led him to study Babbage and to add references of the analytical engine to his proposal ; the resulting machine “brought Babbage’s principles of the analytical engine almost to full realization, while adding important new features.”[4]
The ASCC was developed and built by IBM at their Endicott plant and shipped to Harvard in February 1944. It began computations for the U.S. Navy Bureau of Ships in May and was officially presented to the university on August 7, 1944.
One of the first programs to run on the Mark I was initiated on 29 March 1944[5] by John von Neumann, who worked on the Manhattan project at the time, and needed to determine whether implosion was a viable choice to detonate the atomic bomb that would be used a year later. The Mark I also computed and printed mathematical tables, which was Charles Babbage’s initial goal for his analytical engine.
The Mark I was officially retired, after 15 years of service, in 1959.


Friday, 6 February 2015


POLARIZED ZIP PRINTERS:



With the technological advances, we have all gone digital and old classic stuff seems to be a thing of past. Well, not anymore. Polaroid has introduced yet another mobile photo printer by the name of Polaroid Zip that allows users to print pictures taken from their smartphones. It prints a small color print out in about a minute. The printer can print 5x8cm pictures by using Zero Ink Paper that comes from Zink Imaging.

 


Importance of BLOG :



Blog is used for many purposes and many people are earning millions of dollar per month. Blog writing is very useful for computer users.

If you run a small business, chances are you are wondering if blogging is worth the time and effort. The short answer is a resounding YES! Blogging on a frequent basis is a relatively easy, inexpensive way to enhance your inbound marketing efforts, drive traffic to your site, and attract more perspective customers.
Statistics from Hubspot's 2012 Inbound Marketing Report highlight the importance of blogging. According to the study, 57% of companies who have a blog reported acquiring a customer from their blog. In that same study, a survey of marketers revealed that 81% of businesses say that their business blog is useful to critical for their business.
THE CASE FOR SMALL BUSINESS BLOGS
Here are some of the most important benefits of having a blog for your business:
Boost Search Engine Optimization-Search engines love fresh content. What better way to provide frequent content than with blog posts. By blogging consistently, you give Google and other search engines new content to index and you create opportunities to plug in those all-important keywords to increase your visibility on search engine results pages (SERPS).

Develop Relationships with Potential and Existing Customers-Blogging allows you to connect with your site visitors. This can be accomplished by asking your readers questions at the end of your posts to get the conversation going or by simply allowing comments and feedback. By reviewing and responding to readers’ comments, you can create a rapport with your audience, build trust, and gain valuable insight into what your customers are looking for.

Establish Your Business as an Industry Leader-No matter how small your business is, you can build trust and clout within your industry by providing valuable, expert information in your blog posts. Over time, you become a “go to” resource for helpful, informative content, which can ultimately lead to higher customer conversion rates. This is especially important for small businesses looking to gain credibility to compete with larger companies.

Connect People to Your Brand-Blog posting allows you to show a personal side of your business that perspective and current customers won’t see through outbound marketing techniques. Blogging gives others a sense of the corporate standards, vision, and personality of your company.

Create Opportunities for Sharing-Every time you blog, you create an opportunity for your audience to share your blog with others. Whether they link to your blog post, tweet it, or email it to others, it’s free marketing and it further validates you as a credible business.

From a practical standpoint, blogging just makes sense. With minimal effort and expense, you can build credibility, boost search engine rankings, increase website traffic, and foster relationships with potential and current customers. This is an opportunity no small business should pass up.
Are you interested in creating a blog for your organization? We can help. OpenVine offers a variety of web design solutions to meet your needs. No time to blog? No problem. Our copywriting and content creation team can work with you to create thoughtful, informative posts for your business blog.