Concepts of Programming Languages (11th Edition)
11th Edition
ISBN: 9780133943023
Author: Robert W. Sebesta
Publisher: PEARSON
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Chapter 2, Problem 21PS
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Chronological sequence of developments:
Scripting languages gained more popularity with the explosion of World Wide Web (WWW) during 1990’s. Scripting languages are mainly used for developing web pages which are interpreted by the web browsers.
- JavaScript appeared in 1994, developed by Netscape replaced the traditional static arrays.
- All the character strings and arrays were of having dynamic lengths.
- So, array indices are not checked for validity.
- In 1995, PHP included the dynamic array properties of arrays from JSP and hashes from Perl.
- Hashes are advanced form of array.
- In an array, each element can be accessed by the index, but sometimes this becomes extremely difficult as the index itself is not known...
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Chapter 2 Solutions
Concepts of Programming Languages (11th Edition)
Ch. 2 - In what year was Plankalkl designed? In what year...Ch. 2 - What two common data structures were included in...Ch. 2 - How were the pseudocodes of the early 1950s...Ch. 2 - Speedcoding was invented to overcome two...Ch. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - Prob. 11RQCh. 2 - Prob. 12RQCh. 2 - Prob. 13RQCh. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Prob. 19RQCh. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - On what programming language was COBOL based?Ch. 2 - In what year did the COBOL design process begin?Ch. 2 - What data structure that appeared in COBOL...Ch. 2 - What organization was most responsible for the...Ch. 2 - Prob. 26RQCh. 2 - Prob. 27RQCh. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - Prob. 30RQCh. 2 - Prob. 31RQCh. 2 - Prob. 32RQCh. 2 - Prob. 33RQCh. 2 - Prob. 34RQCh. 2 - Prob. 35RQCh. 2 - Prob. 36RQCh. 2 - Prob. 37RQCh. 2 - Prob. 38RQCh. 2 - Prob. 39RQCh. 2 - What Ada construct provides support for abstract...Ch. 2 - What populates the Smalltalk world?Ch. 2 - Prob. 42RQCh. 2 - Prob. 43RQCh. 2 - From what language does Objective-C borrow its...Ch. 2 - Prob. 45RQCh. 2 - What do the Ada and COBOL languages have in...Ch. 2 - What was the first application for Java?Ch. 2 - Prob. 48RQCh. 2 - How does the typing system of PHP and JavaScript...Ch. 2 - Prob. 50RQCh. 2 - Prob. 51RQCh. 2 - Prob. 52RQCh. 2 - Prob. 53RQCh. 2 - Prob. 54RQCh. 2 - What data structure does Python use in place of...Ch. 2 - Prob. 56RQCh. 2 - What characteristic of Rubys arithmetic operators...Ch. 2 - Prob. 58RQCh. 2 - Prob. 59RQCh. 2 - Prob. 60RQCh. 2 - Prob. 61RQCh. 2 - Prob. 62RQCh. 2 - Prob. 63RQCh. 2 - Prob. 64RQCh. 2 - Prob. 65RQCh. 2 - Prob. 66RQCh. 2 - Prob. 1PSCh. 2 - Prob. 2PSCh. 2 - Prob. 3PSCh. 2 - Prob. 4PSCh. 2 - Prob. 5PSCh. 2 - Prob. 6PSCh. 2 - Prob. 7PSCh. 2 - Prob. 8PSCh. 2 - Prob. 9PSCh. 2 - Prob. 10PSCh. 2 - Prob. 11PSCh. 2 - Prob. 12PSCh. 2 - Prob. 13PSCh. 2 - Prob. 14PSCh. 2 - Prob. 15PSCh. 2 - Prob. 16PSCh. 2 - Prob. 17PSCh. 2 - Prob. 18PSCh. 2 - Prob. 19PSCh. 2 - Prob. 20PSCh. 2 - Prob. 21PSCh. 2 - Prob. 22PSCh. 2 - Prob. 23PSCh. 2 - Prob. 24PS
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- The use of computer languages is used in the production of web-based applications by a significant number of developers. It would be helpful if you could name three of them and explain what they are capable of accomplishing. Memory may be managed in either a static or dynamic fashion. Both are possible.arrow_forwardWhat are the primary functions that compilers provide in the discipline of computer science?arrow_forwardWhat are the main services that compilers provide in the field of computer science?arrow_forward
- In the field of computer science, programming languages are put to use in a variety of contexts to address a wide range of challenges. How would you describe a programming language that is versatile enough to be utilized for a number of different applications?arrow_forwardCompiled languages offer several advantages over interpreted languages. Describe a circumstance in which you would like to utilise an interpreter.arrow_forwardWhat are the purposes of compilers in computer science?arrow_forward
- Compare the numeric types of popular scripting languages to those of compiled languages like C or Fortran.arrow_forwardName the different built -in data structures of the Java, C++ and C. Give the example of each one in terms of declaration and implementation in the mentioned programming language. Name three (3) user-defined data structures used in any programming language, their advantages and disadvantages. If you have to use a User -Defined Data Structure in one of the applications in Computer Science field what would that be? why?arrow_forwardWhy is it better to utilise a compiled language rather than an interpretive one, and what are some of the benefits of doing so? In what sorts of circumstances do you believe that it would be helpful to make use of a language that has been interpreted?arrow_forward
- What are the primary roles that the Phases of Compiler plays? Please provide some examples of each step of the procedure.arrow_forwardCompare each of the following data types with C based languages with Rupy programing language with an example for each type for the folowing (a) Primitive Data Types, (b) String Data Types, (c) Ordinal Data Types, (d) Array Types, (e) Other supported data types such as records, lists, pointers and reference typesarrow_forwardWhat are the benefits and differences of compiled languages over interpreted languages? An interpreted language may be helpful in a number of situations.arrow_forward
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