Procedural Languages

KS3 Computer Science

11-14 Years Old

48 modules covering EVERY Computer Science topic needed for KS3 level.

GCSE Computer Science

14-16 Years Old

45 modules covering EVERY Computer Science topic needed for GCSE level.

A-Level Computer Science

16-18 Years Old

66 modules covering EVERY Computer Science topic needed for A-Level.

KS3 Programming Languages (14-16 years)

  • An editable PowerPoint lesson presentation
  • Editable revision handouts
  • A glossary which covers the key terminologies of the module
  • Topic mindmaps for visualising the key concepts
  • Printable flashcards to help students engage active recall and confidence-based repetition
  • A quiz with accompanying answer key to test knowledge and understanding of the module

A-Level Procedural and Object-oriented Languages (16-18 years)

  • An editable PowerPoint lesson presentation
  • Editable revision handouts
  • A glossary which covers the key terminologies of the module
  • Topic mindmaps for visualising the key concepts
  • Printable flashcards to help students engage active recall and confidence-based repetition
  • A quiz with accompanying answer key to test knowledge and understanding of the module

What is Procedural Languages:

A procedural programming language is a PC programming tongue that obeys, all together, a great deal of requests. Here we see the examples of PC procedural languages are BASIC, C, FORTRAN and java. Procedural programming language tongues are a segment of the ordinary sorts of programming lingos used by substance and programming engineers. They use limits, unforeseen clarifications, and elements to make codes that license a PC to discover and show an ideal yield.

the procedure call. Systems (a sort of routine or subroutine) essentially holds a movement of arithmetical steps to be finished. Some arbitrary strategy might be known whenever during a code implementation, including by various frameworks or itself. Computer processors give gear support to procedural programming language through a heap index and rules for getting back to technique and returning from them. Gear maintenance for various types of composing PC programs is feasible, yet no undertaking was monetarily fortunate.

More significant level dialects work for individuals since they are nearer to common language, yet a PC can’t complete regulation until that correspondence has been converted into 0 and 1. This interpretation might be finished by accumulators or translators, which extraordinary projects hand crafted to suit both the language and tool being utilized. An accumulator peruses the whole code, makes an interpretation, and generates a total parallel program adaptation, which is then stacked into the PC and performed. When the code is gathered, none of the first code nor the accumulator is required. Then again, a translator deciphers and executes the program each guidance in turn, so a code which is written in a deciphered tongue must be deciphered each time its run. Incorporated projects perform quicker, yet deciphered projects are simpler to address or adjust.

The procedural programming language is either arranged or deciphered, contingent upon the utilization for it really being made. FORTRAN, for instance, is normally actualized with an accumulator since it was made to deal with enormous projects for logical and numerical applications where speed of execution is significant. Then again, BASIC is commonly executed with a mediator since it was proposed for use by fledgling developers.

Types of Procedural Languages:

Here are some types of procedural language:

  • Pascal
  • C
  • Ada

Now we see a short description of every language


We can securely be saying that FORTRAN was the primary genuine significant level tongue. The element that affected the improvement of FORTRAN was the measure of cash consumed on programming in 1954. The expense of the programming intensely affected the expense of working a PC, and as PCs got less expensive, the circumstance deteriorated. American’s PC researcher John Backus had the option to persuade IBM’s chiefs that a tongue could be created with an accumulator that would deliver proficient article code. One of their objectives was to plan a tongue that would build it feasible for designers and researchers to compose codes all alone for the IBM’s.


Since numerous dialects and lingos were created somewhere in the range of 1956 and 1959 making convey ability issues, different PC bunches requested ACM to suggest activity for the production of a widespread programming tongue. Delegates from production and colleges were named to a panel that met multiple times, beginning in January, and concurred that’s new dialect would be a logarithmic tongue like FORTRAN. Be that as it may, FORTRAN couldn’t be utilized as an all-inclusive language in light of the fact that, back then, it was a formation of IBM and intently attached to IBM equipment.


After two year April 1959 the presentation of FORTRAN, a gathering of scholastics, PC producers, and PC clients, involving American’s programming pioneer Grace Hopper (1906–1992), met to talk about the achievability of planning a programming tongue that would fulfill the necessities of the business network and would turn into a norm. FORTRAN sometimes fell short for their requirements since occupation programs manage enormous amounts of information however don’t perform confounded counts. Living programming dialects were not compact; they could just capacity in one kind of PC, logical or occupation. Since huge associations in some cases had various sorts of PCs, their developers needed to know a few dialects, accordingly expanding the expense of programming. For instance, the U.S. Division of protection had in excess of 1,000 PCs and it came to the DoD near $499 million per year to code them and keep them working easily.


In the mid-1960s there were no PCs. In the event that you needed to register, you needed to hit your code on cards, convey them to the closest PC place, and afterward sit tight hours for the outcomes. John G, Kemeny and Thomas E. Kurtz, educators at College, accepted that PC writing PC programs was too essential to even consider being consigned only to building understudies and expert software engineers. In 1964 they planned and fabricated a period inviting framework and built up the BASIC (Beginners All-reason Symbolic Instruction Code). Their objectives involved simplicity of studying for the apprentice, equipment and working framework autonomy, the capacity to oblige enormous projects, and reasonable blunder message in English. Essential opened up in 1965. In spite of the fact that Kemeny and Kurtz actualized it to run with an accumulator, present adaptations run under translators.


The Pascal was created by Niklaus Wirth, a Swiss PC researcher who was essential for the ALGOL 68 board of trustees. He feels that the ALGOL was excessively perplexing and needed to plan a coding language that made without much of a stretch be instructed to undergrads. The new dialect, which is a subsidiary of the ALGOL, was distributed in 1971 and was later known as Pascal.

Pascal タ joins the thoughts of organized programming that began to show up during the 1960s, rethinking ALGOL’s idea of separating code into belts, methods, and capacities, and furthermore developing a portion of the ALGOL’s highlights by including new information types and control forms. Its form makes codes simpler to peruse and keep up by individuals other than the first developer. Despite the fact that there are varieties between Pascal accumulators, the tongue has a genuinely standard structure, so codes are convenient among various PCs.


C language is the relative of the ALGOL 60. It was discovered by Ken Thompson and Dennis Ritchie, in 1972 Bell Laboratories. Their objective was to make a tongue that would join significant level organized tongue highlights with those that power low level programming languages. This built C appropriate for composing working frameworks, accumulators, and furthermore firm applications. C accumulators can essentially run on all tools, and since a norm for C language was characterized in 1988, most C codes are compact. On the other hand, C has been characterized as a programming tongue composed by a developer, which implies that amateurs think that it’s hard to learn.

C upholds organized programming languages and accommodates a few information types. For instance, pointer number-crunching is a vital piece of C, just like the utilization of capacities that might be called recursively. Despite the fact that info and yield proclamations are not a portion of the tongue, they are capacities discovered in a “library” fit to be utilized when required. A portion of the capacities discovered in a standard UNIX C library incorporate string control, character capacities, and storage distribution. Notwithstanding outer, programmed and unchanged factors, C gives index factors, which abbreviate implementation time since they use indexes.


Improvement of the Ada began in about 1977 below the support of the U.S. DoD (Division of Defense) for the utilization in its army PC frameworks. These activities were essential in light of the fact that the cost of creating and keeping up DoD programs was getting extremely high because of the assortment of the programming dialects being utilized. In the mid-1970, the Division of Defense utilized at any rate 450 diverse scripts and tongues.

The Division of Defense utilizes the greater part of its programming endeavors to direct military hardware, for example, tanks, planes, and atomic bombs. Those projects execute continuously, simultaneously as a panzer is working or a plane is in the air. For instance, to play out its central goal, a military pilot can’t trust that the PC will send back the outcomes later in the day. Albeit ongoing frameworks can work outside of the gadget they manage, they can likewise be installed inside a bigger framework, for instance a machine.

How Install Procedural Languages

A procedural language must be “introduced” into every information base where it is to be utilized. However, procedural dialects introduced in the information base template1 are naturally accessible in all hence made information bases. So the information base head can choose which dialects are accessible in which information bases and can make a few dialects accessible as a matter of course in the event that he picks.

For the dialects provided with the standard circulation, the program createlang might be utilized to introduce the language as opposed to doing the subtleties by hand. For instance, to introduce the language PL/pgSQL into the information base template1, use:

createlang plpgsql template1

Manual Procedural Language Installation measure

A procedural language is introduced in an information base in three stages, which must be done by a data set super user. The createlang program mechanizes stage 2 and stage 3.

  1. The common item for the language handler must be assembled and introduced into a proper library index. This works similarly as building and introducing modules with standard client characterized C capacities
  2. The handler must be announced with the order

                          Make FUNCTION handler_function_name ()

                          RETURNS language handler

                          AS ‘way to-shared-object’

                          LANGUAGE C;

The exceptional return kind of language handler tells the information base framework that this capacity doesn’t restore one of the characterized SQL information types and isn’t legitimately usable in SQL explanations.

  1. The PL must be pronounced with the order

                          Make [TRUSTED] [PROCEDURAL] language-name

                          HANDLER handler_function_name;

The discretionary watchword TRUSTED indicates that normal information base clients that have no super user benefits ought to be permitted to utilize this language to make capacities and trigger systems. Since PL capacities are executed inside the information base worker, the TRUSTED banner should just be given for dialects that don’t permit admittance to data set worker internals or the record framework. The dialects PL/pgSQL, PL/Tcl, and PL/Perl are viewed as trusted; the dialects PL/TclU, PL/PerlU, and PL/PythonU are intended to give boundless usefulness and ought not be stamped trusted.


Procedural languagesNon-Procedural Language
It is an order driven language.It is a capacity driven language
It works through the condition of the machine.It works through the numerical capacities.
Its semantics are very intense.Its semantics are basic.
It returns just confined information types and permitted values.It can restore any datatype or worth
Generally proficiency is high.By and large effectiveness is low when contrasted with Procedural Language.
Size of the program written in Procedural language is enormous.Size of the Non-Procedural language programs are little.
It isn’t appropriate for time basic applications.It is suitable for time primary applications.
Iterative circles and Recursive calls both are utilized in the Procedural dialects.Recursive calls are utilized in Non-Procedural dialects.

Uses of Procedural languages

Procedural programming dialects are some normal kinds of programming dialects that are utilized by content and programming developers. They make utilization of capacities, restrictive proclamations, and factors for creating programs that empower a PC for figuring and show the ideal yield. So this is known as a procedural programming language.

The focal point of procedural writing PC codes is to distinguish a programming language assignment into a lot of factors. Information forms, and edit, while in object arranged programming language this is to separate a programming assignment in objects that show conduct frameworks and information individuals or traits utilizing interfaces.

Using a procedural language for building up a program may perform by employ a programming manager, similar to eclipse, or android Studio

Example of Procedural Languages:

To understand the example of procedural language we write a program for adding two numbers in C.

The option of two numbers in C language is playing out the math activity of including them and printing their entirety on the screen. For instance, if the information is 2, 3, the yield will be 5.

#include <iostream.h>

Int main () {

Int a;

Int b;

Int c;

  printf (“enter the numbers for addition”);

  scanf (“%d%d”, &a, &b);

  c = a + b;

  printf (“sum of the number are = %d\n”, c);

  return 0;


Output of the given program is: 5

Facts of Procedural Languages

The facts of procedural writing computer programs are given below

Predefine work:

A predefined service is the average of an advice known by a name. Ordinarily, the predefined work is created in a more notable level of programming language, but they are accepted from the information center or the dome, as opposed to the code. The case of a predefined work is ‘charAt ()’, which looks for a natural place in a string.

Nearby Changeable:

A nearby factor is a changeable state in the primary form of a strategy and is cut off to the area extent this is given. The area changeable must be utilizing in the framework this is characterized, and if this is to be used outside the identity strategy, the program will quit working.

Worldwide Changeable:

A worldwide changeable is a changeable pronouncing exterior each extraordinary volume characterizes in the program. Due to, a worldwide variable can be utilized in all volumes, in difference to a neighborhood variable.

Estimated Quality:

Estimated quality is when two diverse structures have two interesting positions that should be done anyway and are accumulated to close a greater endeavor first. Each get-together of structures by then would have its own tasks finished in a consistent movement until all endeavors are done.

Boundary Passing:

Boundary Passing is an apparatus used to pass a boundary for capacity, subroutine or technique. Boundary Passing should be possible through ‘pass by esteem’, ‘pass by recommendation’.

Advantage of Procedural Languages:

  • Procedural Programming languages are incredible for broadly helpful programming languages.
  • The program straight forwardness apace with clarity of usage of accumulators and interpreters.
  • A huge distinction of books and online course substance reachable on attempt calculations, making this more straightforward for learning a route.
  • The source code is compact, along these lines, that possibly utilizes it for targeting different CPUs too.
  • The code may reuse in different segments of the code, without the necessity to copy this.
  • Into the Procedural Programming language planning, the storage necessity additionally gash.
  • The code brook can undoubtedly follow.
  • Many general purpose programming language dialects helping it.
  • It rearranges the program and builds it straightforwardly.
  • Actualizing Algorithm is simple with Procedural programming languages
  • It expands the renewable energy of the program.
  • It utilizes various pieces of storage for various parts
  • It streams the code a straight way which builds it simple to follow.

Disadvantage of Procedural Languages:

  • The program is harder to write when Procedural languages are employed.
  • Procedural program is normally not recyclable, which may show important to copy the program if this needs to be used in another appeal.
  • Hard to relate with true things.
  • The significance gives the pursuit rather than the information, which may represent an issue in some information careful cases.
  • The information is available to the whole code, building this less safety inviting.
  • It isn’t viable with a true issue.
  • Taking care of genuine issues can shape an intricate program.
  • Information is defenseless.


Procedural dialects are coding used to characterize the activities that a PC needs to follow to tackle an issue. In spite of the fact that it would be advantageous for individuals to give PCs guidelines in a characteristic tongue, for example, Spanish, French, or Urdu, they can’t on the grounds that PCs are simply too firm to even think about understanding the nuances of personal correspondence. Person knowledge can work out the equivocation of a characteristic tongue, yet a PC needs an inflexible, numerically exact correspondence framework: every image, or gathering of images, must mean the very same thing without fail.

PC researchers have made counterfeit dialects that empower software engineers to collect a lot of orders for the apparatus without managing twine of paired numbers. The elevated level type of a procedural programming language liberates a developer from the tedious errand of communicating calculations in lower level dialects, for example, get together and apparatus language. Also, procedural programming language directions are communicated in a machine free structure that encourages compactness, hence expanding the lifetime and value of a code.

More significant levels dialects work for individuals since they are nearer to common tongue, however a PC can’t complete guidelines up to that correspondence has been converted into 0 and 1. This interpretation might be finished by accumulators or mediators, which are extraordinary projects specially designed to fit both the tongue and the apparatus being utilized. An accumulator peruses the whole code, builds an interpretation, and generates a total parallel program rendition, which is then stacked into the PC and performed. When the code is aggregated, neither the first program nor the accumulator is required. Then again, a translator deciphers and executes the program each guidance in turn, so a code written in a deciphered tongue must be deciphered each time it is run. Assembled codes perform quicker, yet deciphered projects are simpler to address or adjust.


  1. DeLine, R., & Leino, K. R. M. (2005). BoogiePL: A typed procedural language for checking object-oriented programs
  2. Lipton, R. J., North, S. C., Valdes, J., Vijayan, G., & Sedgewick, R. (1982, June). ALI: A procedural language to describe VLSI layouts. In 19th Design Automation Conference (pp. 467-474). IEEE
  3. Yeh, A. S., Harris, D. R., & Reubenstein, H. B. (1995, July). Recovering abstract data types and object instances from a conventional procedural language. In Proceedings of 2nd Working Conference on Reverse Engineering (pp. 227-236). IEEE
  4. Welty, C., & Stemple, D. W. (1981). Person factors comparison of a procedural and a nonprocedural query language. ACM Transactions on Database Systems (TODS)6(4), 626-649