Computer Science - Computer Fundamentals - Discussion

When pascal is more suitable then why c is developed. I hope PL/1 is a right answer.

Pascal is Algol based language and includes many constructs of Algol. Algol 60 is a subset of Pascal. Pascal offers several data types and programming structures. It is easy to understand and maintain the Pascal programs.

It pascal is more suitable for program why we use vb or c, c++.

PASCAL is the right answer.

Pascal is more suited to a structured program, because Pascal was designed (in 1970 by Nicklaus) to force programmers for a structured programming style. Pascal has successors, Modula and Oberon, which add module and access to system resources.

PL/I ("Programming Language One", pronounced pee-el-wun) is a procedural, imperative computer programming language designed for scientific, engineering, business and systems programming applications. It has been used by various academic, commercial and industrial organizations since it was introduced in the 1960s, and continues to be actively used as of 2011

Fortran (previously FORTRAN) is a general-purpose, imperative programming language that is especially suited to numeric computation and scientific computing. Originally developed by IBM at their campus in south San Jose, California in the 1950s for scientific and engineering applications, Fortran came to dominate this area of programming early on and has been in continual use for over half a century in computationally intensive areas such as numerical weather prediction, finite element analysis, computational fluid dynamics, computational physics and computational chemistry. It is one of the most popular languages in the area of high-performance computing and is the language used for programs that benchmark and rank the world's fastest supercomputers.

BASIC is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use; the name is an acronym from Beginner's All-purpose Symbolic Instruction Code.

Pascal is an influential imperative and procedural programming language, designed in 1968"1969 and published in 1970 by Niklaus Wirth as a small and efficient language intended to encourage good programming practices using structured programming and data structuring.

But Fortran (the name is a blend derived from The IBM Mathematical Formula Translating System) encompasses a lineage of versions, each of which evolved to add extensions to the language while usually retaining compatibility with previous versions. Successive versions have added support for structured programming and processing of character-based data (FORTRAN 77), array programming, modular programming and generic programming (Fortran 90), high performance Fortran (Fortran 95), object-oriented programming (Fortran 2003) and concurrent programming (Fortran 2008).

The clock interrupt handle on a computer requires 2 msec per clock tick. The clock runs at 60Hz. What percent is devoted to the clock ?

PASCAL is sturucture Programming Language.

Pascal is a procedural programming language, designed in 1968-1969 and published in 1970 by Niklaus Wirth as a small and efficient language intended to encourage good programming practices using structured programming and data structuring.

Pascal has and, or, and mod where C uses &&, ||, and %.
c is case sensitive but pascal is not.

Pascal has:

if cond then stmt else stmt
while cond do stmt
repeat stmt until cond
for id := expr to expr do stmt and for id := expr downto expr do stmt
case expr of expr : stmt; ... expr : stmt; else: stmt; end

C has:

if (cond) stmt else stmt
while (cond) stmt
do stmt while (cond)
for (expr; cond; expr) stmt
switch (expr) { case expr : stmt; ... case expr : stmt; default: stmt }