Poland Its History And Geography History Essay.
It takes the period of (1956-1963) by successfully accomplished by the year 1948, so the invention of the transistor had played a main role in the second generation of computers and it had reduces a lot f energy and become more stable computer.
Computers and computing devices from different eras. A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Computer - Computer - History of computing: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.” Such a definition would owe its deceptiveness to a naive and narrow view of calculation as a strictly mathematical process. In fact, calculation underlies many activities that are not normally thought of as mathematical.
It joined NATO in 1999, and the European Union in May 2004. With a population of 38.1 million it is the 6th most populated country in the EU. Poland’s capital is Warsaw and it has a population of around 2 million inhabitants. Poland has an area of 312,678 sq km and is geographically located in the heart of Europe between Germany and Russia.
ENIAC: It was the first general-purpose electronic computer built in 1946 at University of Pennsylvania, USA by John Mauchly and J. Presper Eckert.The completed machine was announced to the public the evening of February 14, 1946.It was named Electronic Numerical Integrator and Calculator (ENIAC).ENIAC contained 17,468 vacuum tubes, 7,200 crystal diodes, 1,500 relays, 70,000 resistors, 10,000.
Some 12,000 were shipped, making it the most successful machine in computer history at the time. It used a magnetic core memory of 4000 characters (later expanded to 16,000 characters). Many aspects of its design were based on the desire to replace punched card machines which were in wide use from the 1920s through the early 1970s.