Journal of Biomedical Engineering and Informatics

Definition
Your personal computer is a programmable digital camera designed to allow data, perform prescribed mathematical and reasonable operations at broadband, and display the results of the procedures, all under the control of software. Mainframes, desktop and laptop computers, tablets and smartphones are some of the different types of computers. An electric machine which helps in solving problems efficiently. It solves problems relating to instructions directed at it by the computer user 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 mind. It is hard to remember all the steps! People made tools to help them keep in mind where these were in a mathematics problem. The other problem folks have is that they need to do the same problem again and again and over again. A cashier needed to make change every day in her brain or with a piece of paper. That got lots of time and made faults. So, people made calculators that do those same things over and over. This part of computer history is called the "history of automatic calculation," which is a fancy word for "the annals of machines which make it possible for me to do this same maths problem again and again without making mistakes."The abacus, the slide rule, the astrolabe and the Antikythera system (which schedules from about 150-100 BC) are examples of automated computation machines.

Programming
People do not need a machine that would do the same thing over and over again. For example, a music box is a machine that performs the same music over and over again. Some people wished to have the ability to notify their machine to do different things. For instance, they wished to tell the music pack to learn different music each and every time. They wished to have the ability to program the music container- to order the music pack to experiment with different music. This part of computer history is called 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 dialect."One of the first types of this was built by Hero of Alexandria (c. 10-70 Advertising). He built a mechanical movie theater which performed a play enduring ten minutes and was managed by a complicated system of ropes and drums. These ropes and drums were the terms of the machine- they advised what the machine did so when. Some people dispute that is the first programmable machine.Historians disagree which early machines are "computer systems". Many say the "castle clock", an astronomical clock created by Al-Jazari in 1206, is the first known programmable analog computer. The length of day and night could be fine-tuned every day in order to account for the changing measures of day and night over summer and winter. Some matter 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 Processing Era
At the end of the Middle Age ranges, people in European countries thought mathematics and executive were more important. In 1623, Wilhelm Schickard made a mechanical calculator. Other Europeans made more calculators after him. These were not modern computers because they could only add, subtract, and increase- you could not change what they did to make them do something like play Tetris. Because of this, we say these were not programmable. Now designers use computers to create and plan.In 1801, Joseph Marie Jacquard used punched newspaper cards to share with his textile loom the type of pattern to weave. He might use punch cards to share the loom how to proceed, and he could change the punch credit cards, this means he could program the loom to weave the structure he wanted. This means the loom was programmable.Charles Babbage wanted to make an identical machine that may compute. He called it "The Analytical Engine".[8] Because Babbage didn't have enough money and always improved his design when he had a much better idea, he never built his Analytical Engine unit.As time went on, computer systems were used more. People get bored stiff easily doing the same thing over and over. Imagine spending your daily life writng down things on index cards, stocking them, and then needing to go see them again. The U.S. Census Bureau in 1890 acquired hundreds of folks doing just that. It was expensive, and reports took quite a while. Then an engineer worked out how to make machines do a lot of the task. Herman Hollerith developed a tabulating machine that would automatically accumulate information that the Census bureau collected. The Processing Tabulating Recording Corporation (which later became IBM) made his machines. They leased the machines rather than selling them. Designers of machines got long helped their users understand and repair them, and CTR's technology support was especially good.Because of machines such as this, new means of talking to these machines were created, and new types of machines were created, and finally the computer as we realize it was born.

Analog and Digital Computers
Inside the first 50 % of the 20th hundred years, scientists began using computers, usually because scientists experienced a great deal of math to figure out and wanted to spend more of their time thinking about science questions rather than expending hours adding numbers mutually. For example, if they had to start a rocket dispatch, they needed to do a whole lot of math to make certain the rocket performed right. So they put together computers. These analog personal computers used analog circuits, which made them very hard to program. In the 1930s, they created digital computers, and soon made them simpler to program. However this is not the case as many consecutive endeavors have been designed to bring arithmetic logic to l3.Analogue computers are mechanical or electronic devices which solve problems. some are being used to control machines.