File Name: pascal programming questions and answers .zip
- Pascal programming Interview Questions & Answers
- Pascal interview questions
- Pascal programming Interview Questions & Answers
- Pascal Interview Questions and Answers
Pascal programming Interview Questions & Answers
Pascal was greatly in use during the s and s, but lately the need to develop modern cross platforms applications has led to increase in demand for Pascal Programming jobs. To develop desktop, web and mobile applications, the object-oriented version of Pascal programming is used. To know more about Pascal Programming and job vacancies in this field, you can browse the wisdomjobs page.
Here you can find answers to all your queries related to a Pascal Programming job. You can search from the list of job opportunities based on your skills, specialization and experience. To help you prepare for the interview our experts have made a few Pascal Programming job interview questions and answers. Read them thoroughly to be able to win your dream job confidently. Question 1. Why Is The Name Pascal? Answer : Pascal was named after the French mathematician Blaise Pascal, who created a calculating machine not a true computer.
Question 2. What Is Standard Pascal? Answer : Pascal is one of a series of languages put forth by one of the most prolific computer language creators, Niklaus Wirth, a professor at Institute for informatik, ETH, Zurich, Switzerland. Professor Wirth participated in various versions of Algol, a language put forth by international cooperation that introduced the basic concepts of structured programming to the world.
Wirth felt that the design committee for Algol, after Algol 60, was losing focus and creating an unnecessarily complex language. While Algol W has had its fans, the language Pascal was considered to be a new high of consistent language design.
The first draft of Pascal was created in The first compiler was operational in , and the language was generally published in In , after two years of testing and use, the language was revised into its final form.
Question 3. Answer : Pascal is in the Algol family of languages. The resulting language was rather odd for its time. The committee had the goal of designing a unified computer language, but also saw Algol as a way to cleanly express computer algorithms, and so was not directly concerned with creating a practical language for compilation.
That is, the language would serve a purpose even if it was only used for publishing algorithms, not running them. Also, Algol was generally free of the limits common to programming languages of that time, such as number of array dimensions.
One of the goals of Algol was for it to be as close to mathematical notation as possible. Question 4. This was followed by the extended standard, ISO , in Another standard was the Object- Oriented Extension to Pascal. However, this standard was never finished, and was basically abandoned for lack of interest.
Question 5. Answer : In , ISO was revised to correct various errors and ambiguities found in the original document. This resulted in ISO Question 6. For the most part, ISO was followed on large computer installations during the early days of Pascal , and some installations on microcomputers. Answer : IP is an interplatform Pascal.
It supports the following platforms in its current configuration:. IP both provides, and itself is run, on a set of porting modules that allow IP, and its client programs, to run on any of the supported platforms without source change.
To move within operating systems on the same machine type, only a relink is required. To move within different CPU based systems, a recompile and link is required. Question 8. Similar procedures will be used for other Pascals. However, these are just rapid porting aids, and these Pascals do not enjoy full language compatibility.
There will always be a minimum amount of work required to change programs to work under IP. IPs main focus is to be a language that is not tied to any operating system or hardware, and IP will, therefore, always be unable to fully emulate the machine dependent features of many Pascal implementations. The failure of many Pascals that are single machine based has shown that the future lies in very portable Pascal languages and compilers.
Question 9. Answer : ISO standard is the original language as created by N. The standard makers refrained from making large improvements or extensions to the language. In fact, because Pascal is one of the most carefully designed languages and also one of the most carefully standardized, there is a high degree of ability to determine, unambiguously, if a given program construct is legal according to ISO rules.
Pascal, almost from the first of its use, was widely extended and changed. One reason for this may be that the language was also very popular in compiler classes, and tended to produce many experimental versions. The basis of the language is still very strong, and the Iso standard is freely available. Further, there are many books written with the standard in mind. Question What Does Ip Stand For? Answer : IP was never coined to be a particular acronym. As some of you may know, I am heavily involved in the networking industry.
The principle was that one carefully constructed standard would be able to bridge any number of different networks together, and the overhead of a second level protocol would only be incurred once. This is much like saying that designing one standard plug, then designing a series of adapters to that plug from other plug types, can unify incompatible systems.
Is Ip Pascal New? Answer : No. IP Pascal originated in IP Pascal was written as a core in assembly language, but the majority of the system rewritten in Pascal by By , 1 started to have extensive problems with Pascal vendors not keeping up with changing technologies, and foresaw the fallout of many existing vendors from the market.
At that time, I made a decision whether 1 would stay with my extensive code base in Pascal, or move to a more generally accepted language, most likely C. I decided that I would stay with Pascal, and take back control of our compiler as it was abandoned in That work was completed in , in time for the advent of Windows Since that year, the platform for IP has been extensively expanded.
I use [P Pascal here, I am its first customer. IP Pascal will be supported by email, web site, and use net forum without charges or restrictions. Emails will be typically answered within 48 hours. Because this support model does not require hiring large support staffs and then firing them later as demand decreases , there is no plans to limit or charge for support.
Answer : Pascal always had extentions. The original compiler created by Niklaus Wirth had extentions specific to the CDC series computers. The idea of the standard was never to forbid extentions. In the old days of the mainframe and line printers, there was actually a chance that a program completely coded within the language standard would be all that was needed. Now, with advanced graphics and sound, and advanced devices like video editing, the general portable program is thought by many to be dead.
I would say that nothing is further from the truth. We need clean and portable interfaces and programs more than ever. What has changed is that we rely more on library construction and interfaces.
Advanced graphics libraries such OpenGi are paving the way to new levels of functionality and portability. It differs primarily from proceeding languages in that data structures were also included, with records a feature borrowed from COBOL. Pascal is also unusual for forging an effective compromise between language simplicity, power, and matching of language structures to underlying machine implementation. Pascal also has many features for compiler writers.
The language is constructed to have a minimum of ambiguity. Pascal requires the types and exact sizes of operands to be known before they are operated on, again leading to simplified language processing and efficient output code although this feature has often been called a problem. For this reason, Pascal still remains a popular language to implement compilers for as part of a compiler science class. Answer : This assertion has often been used to imply that Pascal is a toy language.
Although this is correct, its use in teaching was not the only goal. In fact, I do not believe in using tools and formalisms in teaching that are inadequate for any practical task. Turing award lecture. PAS file.
Too much information is lost in the compiling process. Answer : There is indeed, but it's not going to be easy. One way of "parallelizing" your programs is to include "message passing" in the code. Different portions of the code are there by executed by different processors, and information is shared by passing messages between the processors.
The libraries consist of subroutines that can be called from code written in those two languages. In order to write parallel code in Pascal, you therefore have to do the following things.
Pascal interview questions
The Pascal programming language was developed, around the s, by Nicholas Wirth. It was developed as a first language for programming students and serves the purpose well. Pascal is one of the easiest languages to learn, and it encourages beginners to develop good programming skills. Easy to learn It is easy to learn because the language has a relatively small set of words, and these are close enough to ordinary English to be easy to understand and remember. Example This is the code of a Pascal program, and it is called first. Programs always start with the word program followed by the name.
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Pascal programming Interview Questions & Answers
Pascal was greatly in use during the s and s, but lately the need to develop modern cross platforms applications has led to increase in demand for Pascal Programming jobs. To develop desktop, web and mobile applications, the object-oriented version of Pascal programming is used. To know more about Pascal Programming and job vacancies in this field, you can browse the wisdomjobs page. Here you can find answers to all your queries related to a Pascal Programming job. You can search from the list of job opportunities based on your skills, specialization and experience.
Interview Guides Computer Programming Pascal. A derivative known as Object Pascal was designed for object oriented programming. Pascal was named after the French mathematician Blaise Pascal, who created a calculating machine not a true computer. Is This Answer Correct? Pascal is one of a series of languages put forth by one of the most prolific computer language creators, Niklaus Wirth, a professor at Institut fur informatik, ETH, Zurich, Switzerland.
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Pascal Interview Questions and Answers
Pascal is a procedural programming language which supports data structures and structured programming. Pascal set is a collection of elements of the same type. It allows defining the set data type. The set elements are enclosed in a square elements.
Мидж от неожиданности стукнулась головой о стекло. Бринкерхофф опрокинул директорский стул и бросился к двери. Он сразу же узнал этот голос. - Директор! - воскликнул он и, подойдя к Фонтейну, протянул руку. - С возвращением, сэр. Вошедший не обратил на его руку никакого внимания. - Я д-думал, - заикаясь выговорил Бринкерхофф.
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Pascal programming Related Tutorials
Росио натянула ночную рубашку, глубоко вздохнула и открыла дверь в комнату. Когда она вошла, глаза немца чуть не вывалились из орбит. На ней была черная ночная рубашка; загорелая, орехового оттенка кожа светилась в мягком свете ночника, соски призывно выделялись под тонкой прозрачной тканью. - Komm doch hierher, - сказал немец сдавленным голосом, сбрасывая с себя пижаму и поворачиваясь на спину. Росио через силу улыбнулась и подошла к постели. Но, посмотрев на распростертую на простынях громадную тушу, почувствовала облегчение.
Боль стала утихать, туман перед глазами постепенно таял. Он посмотрелся в зеркало.
На самом деле, - прервал его Дэвид, - Танкадо имел в виду первичную, а не главную разницу. Его слова буквально обожгли Сьюзан. - Первичное! - воскликнула. И повернулась к Джаббе.
Хм-м, - наконец произнесла. - Вчерашняя статистика безукоризненна: вскрыто двести тридцать семь кодов, средняя стоимость - восемьсот семьдесят четыре доллара. Среднее время, потраченное на один шифр, - чуть более шести минут.
- Может быть, вы могли бы подойти.