Management information system PPT

Definition
A pc is a programmable electronic device designed to recognize data, perform recommended mathematical and rational operations at high speed, and screen the results of the procedures, all under the control of software. Mainframes, desktop and laptop computers, tablets and smartphones are some of different types of personal computers. An electric machine which assists with solving problems quickly and easily. It solves problems matching to instructions given to it by the computer customer called programs or software. It really is a digital machine(that uses binary digits) found in all field

Automation
Most humans have a problem with math. To show this, try doing 584 x 3,220 in your head. It really is hard to keep in mind all the steps! People made tools to help them remember where these were in a mathematics problem. The other problem folks have is that they need to do the same problem over and over and once more. A cashier had to make change every day in her mind or with a bit of paper. That got lots of time and made errors. So, people made calculators that did those same things over and over. This part of computer background is named the "history of robotic calculation," which really is a fancy saying for "the history of machines which make it possible for me to get this done same maths problem again and again without making flaws."The abacus, the slip rule, the astrolabe and the Antikythera mechanism (which dates from about 150-100 BC) are types of automated computation machines.

Programming
People do not need a machine that could do a similar thing over and over again. For example, a music package is a machine that performs the same music again and again. Some people wanted to be able to notify their machine to do different things. For instance, they wanted to tell the music pack that can be played different music each time. They wanted to have the ability to program the music container- to order the music container to learn different music. This part of computer background is named the "history of programmable machines" which really is a fancy saying for "The history of machines that I can order to do different things if I know how to speak their vocabulary."Among the first examples of this was built by Hero of Alexandria (c. 10-70 Advertisement). He built a mechanical theatre which performed a play prolonged 10 minutes and was controlled by a sophisticated system of ropes and drums. These ropes and drums were the dialect of the machine- they told what the machine did and when. Some people argue that is the first programmable machine.Historians disagree on which early machines are "pcs". Many say the "castle clock", an astronomical clock developed by Al-Jazari in 1206, is the first known programmable analog computer. The distance of day and night could be altered every day to be able to account for the changing lengths of night and day throughout the year. Some count up this daily modification as education.Others say the first computer was made by Charles Babbage. Ada Lovelace is known as to be the first programmer.

The Computing Era
At the end of the center Ages, people in Europe thought mathematics and anatomist were more important. In 1623, Wilhelm Schickard made a mechanised calculator. Other Europeans made more calculators after him. They were not modern pcs because they could only add, subtract, and multiply- you cannot change what they have to make them do something like play Tetris. As a result of this, we say they were not programmable. Now technical engineers use computers to design and plan.In 1801, Joseph Marie Jacquard used punched newspaper cards to share with his textile loom what kind of pattern to weave. He might use punch cards in order to the loom what to do, and he could change the punch credit cards, this means he could program the loom to weave the design he wanted. This means the loom was programmable.Charles Babbage wished to make an identical machine that may assess. He called it "The Analytical Engine".[8] Because Babbage didn't have enough money and always changed his design when he had an improved idea, he never built his Analytical Engine motor.As time continued, pcs were used more. People get bored stiff easily doing a similar thing over and over. Imagine spending your daily life writing things down on index credit cards, storing them, and then needing to go find them again. The U.S. Census Bureau in 1890 got hundreds of men and women doing that. It had been expensive, and accounts took quite a while. Then an engineer worked out how to make machines execute a lot of the work. Herman Hollerith created a tabulating machine that would automatically accumulate information that the Census bureau accumulated. The Computing Tabulating Recording Company (which later became IBM) made his machines. They leased the machines rather than selling them. Creators of machines experienced long helped their users understand and repair them, and CTR's tech support was especially good.Due to machines such as this, new ways of speaking with these machines were created, and new types of machines were developed, and eventually the computer as we realize it was born.

Analog and Digital Computers
Within the first 1 / 2 of the 20th hundred years, scientists started out using computers, largely because scientists had a great deal of math to figure out and wanted to spend more of their time thinking about knowledge questions instead of spending hours adding numbers alongside one another. For example, if they had to release a rocket dispatch, they needed to do a great deal of math to make sure the rocket did the trick right. So they put together computer systems. These analog pcs used analog circuits, which made them very difficult to program. Within the 1930s, they created digital computer systems, and soon made them much easier to program. Financial firms false as many consecutive tries have been made to bring arithmetic logic to l3.Analogue pcs are mechanised or electronic devices which solve problems. some are used to control machines.