Computer Programming C: UNIT I: Introduction to C
Notations Pseudocode
C Programming
A notation is a system of characters, expressions, graphics or symbols, designs used among each other's in problem solving to represents technical facts, created to facilitate the best result for a problem.
NOTATIONS PSEUDOCODE
1. INTRODUCTION
A
notation is a system of characters, expressions, graphics or symbols, designs
used among each other's in problem solving to represents technical facts,
created to facilitate the best result for a problem.
Pseudocode
is also a formal design tool, developed with the structured programming. It is
a visual, narrative, and more easily used for structured design.
It
is a programming analysis tool, that is commonly used for planning the program
logic, where the name itself specifies "Pseudo" means initiation,
'Code" means the set of statements or instructions written in a
programming language. Pseudocode is also called "Program Design Language
(PDL)".
The
pseudocode is written in normal English and cannot be understood by the
computer. During the design of pseudocode, the designer or programmer can only
concentrate the logic of the program without worrying about the syntax of the
instructions.
2. RULES FOR WRITING PSEUDOCODE
The
pseudocode is very clear unlike flowcharts. It is more individualistic, hence
use the following rules for writing pseudocode.
•
Write one statement per line
•
Capitalize initial keywords
•
Indent to show hierarchy
•
End multiline structure
•
Keep statements language independent
3. ADVANTAGES AND DISADVANTAGES OF PSEUDOCODE
Advantages
a)
It can be done easily in any word processor.
b)
It can be easily modified as compared to flowchart.
c)
Its implementation is very useful in structured design elements.
d)
It can be written easily.
e)
It can be read and understood easily.
f)
Converting a pseudocode to programming language is very easy as compared with
converting a flowchart to programming language.
Disadvantages
a)
It is not visual.
b)
We do not get a picture of the design.
c)
There is no standardised style or format, so one pseudocode may be different
from another.
d)
For a beginner, it is more difficult to follow the logic or write pseudocode as
compared to flowchart.
Computer Programming C: UNIT I: Introduction to C : Tag: Computer Science : C Programming - Notations Pseudocode
Computer Programming C: UNIT I: Introduction to C
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Computer Programming C
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