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History Of Computer Development
History Of Computer Development
History of programming languages essay
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The C++ Programming Language
Computer technology has evolved at an amazing rate during the last few decades. Today a laptop computer can compute faster and store more information than a whole computer system (called mainframe computers) of forty years ago. According to Harvey Deitel and Paul Deitel from Nova University, "A person operating a desk calculator might require decades to complete the same number of calculations a powerful computer can perform in one second" (5). Along with that revolution, computer languages have evolved, too. A language created in the early 1970s by Dennis Ritchie called C quickly became very helpful and popular because of its features. In 1983 Bjarne Stroustrup developed C++, which is much like C, but with a number of important extensions. C++ has been described as "one of the most important programming languages of the 1990s and promises to continue strongly into the 2000s" (Prata 1). As a computer programmer, I have had opportunities to work with this language to write system software. I have found many interesting things about this language: it has certain characteristics over other languages. The most remarkable are: portability, brevity, C compatibility, object-oriented programming and speed.
Most of us would agree that computers have become an integral part of society. We can touch them and see the results of their incredible capabilities. But a computer does nothing until directed to do so. Computers are able to perform many different tasks. These tasks are not made by the computer itself, but they are performed following a series of predefined instructions that conform what we call a program. The computer programs that run on a computer are referred to as software. A computer does not have enough creativity to make tasks for which it is not programmed, so it can only follow the instructions of the programs that it has been programmed for. The ones in charge to generate programs so that the computers may perform new tasks are programmers.
For many years, the principle goal of computer programmers was to write short and efficient programs. When programmers choose a programming language to write, the first consideration is known as "level of the programming language." The level determines how near to the hardware (devices such as keyboard, screen, disks, memory and processing unit that comprise a computer) the programming language is. Machine language, the first generation was written at a basic level of computer operation called low-level language, which used symbols for instructions (e.
Waardenburg Syndrome affects a person’s hearing, pigmentation, facial features along with other defects. There are also four different types of Waardenburg Syndrome. The chances of hearing loss can be slim to none, although people with Waardenburg Syndrome can have profound hearing loss (Genetics 2013). Hearing loss can occur in either one or both ears and occurs at birth. People with Waardenburg Syndrome typically have pale blue eyes or even different colored eyes. Those affected can also have white or gray patches of hair at a young age (MedlinePlus 2013). Symptoms and effects of Waardenburg Syndrome appear to be different to each individual person who has the disorder. Some symptoms of Waardenburg Syndrome include pale skin, hair, and eyes, patches of white/gray hair, finger contractures, hearing loss, and different colored eyes (heterochromia). Other symptoms include numerous minor abnormalities and abnormal facial features (MedlinePlus 2013). Some symptoms, such as widely spaced eyes in type I, depend on which type of Waardenburg Syndrome a person is diagnosed w...
"The Case Against the Death Penalty." American Civil Liberties Union. The American Civil Liberties Union and the ACLU Foundation., 2011. Web. 01 Nov. 2014.
Dieter, Richard C. “Methods of Execution and Their Effect on the Use of the Death Penalty in the United States.” Fordham Urban Law Journal 35.4 (2008): 789-816 Academic OneFile. Web. 14 Apr. 2014.
Have you ever been in a car while someone was texting on their phone? It has been proven that 3,000 annual teens die nationwide and have more than 300,000 injuries from texting. This paper will inform you about how driving and texting is more dangerous that it looks. Please be aware most of these accidents are really hectic. Many people lose their lives every day from cellular devices.
The Ada language is the result of the most extensive and most expensive language design effort ever undertaken. The United States Department of Defense (DoD) was concerned in the 1970¡¦s by the number of different programming languages being used for its projects, some of which were proprietary and/or obsolete. Up until 1974, half of the applications at the DoD were embedded systems. An embedded system is one where the computer hardware is embedded in the device it controls. More than 450 programming languages were used to implement different DoD projects, and none of them were standardized. As a result of this, software was rarely reused. For these reasons, the Army, Navy, and Air Force proposed to develop a high-level language for embedded systems (The Ada Programming Language). In 1975 the Higher Order Language Working Group (HOLWG) was formed with the intent of reducing this number by finding or creating a programming language generally suitable for the department's requirements.
Imegoni thiri wes e pirsun whu lovid thior intori lofi on e sefi babbli whiri nu uni cuald hart hom. Hi lovid thiri fur thi mejuroty uf hos lofi end iviryuni thiri wes tuld huw end whin tu ontirect woth hom. Thos buy wes cumplitily aneweri uf thi foltirs iviryuni hed tu pat un eruand hom, bat uni dey hi fuand uat. Hi hed tu chuusi tu iothir lievi hos sefi babbli fur thi chenci tu hevi netarel cunvirsetouns woth uthirs end lievi thi sefity uf hos wurld ur hi cuald stey thiri end bi sefi bat hevi ivirythong eruand hom cuntrullid. Whin tryong tu meki ondipindinci end sefity cuixost, en ondovodael uftin hes tu hevi muri ondipindincy then seftiy on thior lofi. Thi muvoi, “Thi Tramen Shuw”, os en ixcillint ixempli. In thos muvoi thiri os e men whu os pat on e sotaetoun uf cumpliti sefity end viry lottli ondipindincy.
Therefore there are many reasons as to why people shouldn’t text and drive. Taking your eyes off the road even just for a few seconds can be really risky. Washington state became the first to pass a law prohibiting drivers from texting behind the wheel. Studies have proven that typing on a cell phone or handheld device triples the risk of a crash. “Is it worth a life, or even an accident?” (Roux, 2). A lot of people may believe taking their eyes off the road for a few seconds to answer a text is not dangerous at all. When in reality it is the most dangerous thing a person could do behind the
For years, C++ (C Plus Plus) has dominated the business market place for many different companies and has allowed many computer programmers to obtain vast amounts of knowledge and experience since 1972 when it was first developed by Dennis Ritchie of AT&T Bell Laboratories (Lambert / Nance Page 16). It has been in use for almost thirty years – not to mention the years before when it’s precursor C was developed and commonly used also – and has made a great impact on the development of software for business’ across the world. It has become a second nature programming language to those that use it and have been forced to stay with C++.
After my twelfth grade, the inherent ardor I held for Computer Sciencemotivated me to do a bachelors degree in Information Technology. Programming and Math, a paragon of logic and reasoning have always been my favorite subjects since childhood. I still vividly remember the time during my graduation,when I was successful in creating a simple calculator application as a class assignment.The joy I derived from creating something that is used by a lot of people to help them perform complex calculations,made me realize the power of computing in its true sense.It was also in my graduation that I developed an immense interest in programming languages such as Java, C++ an...
McCarthy, Michael. "Lethal Injection Challenged As "Cruel And Unusual" Fate." Psychology and Behavioral Sciences Collection, 8 Dec. 2013. Web. 8 Dec. 2013. McCarthy, Michael.
Compiler, in computer science, computer program that translates source code, instructions in a program written by a software engineer, into object code, those same instructions written in a language the computer's central processing unit (CPU) can read and interpret. Software engineers write source code using high level programming languages that people can understand. Computers cannot directly execute source code, but need a compiler to translate these instructions into a low level language called machine code.
Many different types of programming languages are used to write programs for computers. The languages are called "codes". Some of the languages include C++, Visual Basic, Java, XML, Perl, HTML, and COBOL. Each of the languages differs from each other, and each is used for specific program jobs. HTML and JAVA are languages used to build web pages for the Internet. Perl and XML can produce codes that block students from getting on certain inappropriate web pages on their school server. One of the most prominent programming languages of the day would have to be C++.
The field of Computer Science is based primarily on computer programing. Programming is the writing of computer programs using letters and numbers to make "code". The average computer programer will write at least a million lines of code in his or her lifetime. But even more important than writting code, a good programer must be able to solve problems and think logicaly.
Pascal programming language was designed in 1968, and published in 1970. It is a small and efficient language intended to encourage good programming practices using structured programming and data structuring. Pascal was developed by Niklaus Wirth. The language was named in honor of the French mathematician and philosopher Blaise Pascal. In 1641, Pascal created the first arithmetical machine. Some say it was the first computer. Wirth improved the instrument eight years later. In 1650, Pascal left geometry and physics, and started his focus towards religious studies. A generation of students used Pascal as an introduction language in undergraduate courses. Types of Pascal have also frequently been used for everything from research projects to PC games. Niklaus Wirth reports that a first attempt to merge it in Fortran in 1969 was unsuccessful because of Fortran's lack of complex data structures. The second attempt was developed in the Pascal language itself and was operational by mid-1970. A generation of students used Pascal as an introductory language in undergraduate courses. Pascal, in its original form, is a Procedural language and includes the traditional like control structures with reserved words such as IF, THEN, ELSE, WHILE, FOR, and so on. However, Pascal has many data structuring and other ideas which were not included in the original, like type definitions, records, pointers, enumerations, and sets. The earliest computers were programmed in machine code. This type of programming is time consuming and error prone, as well as very difficult to change and understand. Programming is a time-consuming a process. More advanced languages were developed to resolve this problem. High level languages include a set of instruction...
Since the beginning of time, humans have thought and made many inventions. Repeatedly the newer one is better than the older. Our minds have created many remarkable things, however the best invention we ever created is the computer. computers are constantly growing and becoming better every day. Every day computers are capable of doing new things. Even though computers have helped us a lot in our daily lives, many jobs have been lost because of it, now the computer can do all of the things a man can do in seconds! Everything in the world relies on computers and if a universal threat happens in which all computers just malfunction then we are doomed. Computers need to be programmed to be able to work or else it would just be a useless chunk of metal. And we humans need tools to be able to live; we program the computer and it could do a lot of necessary functions that have to be done. It is like a mutual effect between us and he computer (s01821169 1).