SCALAR AND COMPOSITE DATA TYPES அதில் இரண்டு முக்கியமான ……
SCALAR AND COMPOSITE DATA TYPES
Scalar Data Type Scalar Data Type என்பது ஒரு நேரத்தில் ஒரே ஒரு atomic / single value-ஐ represent செய்யும் data type. Examples: Integer Floating Point Character Boolean Enumeration Pointer Programming language-ஐ பொறுத்து exact classificatio…
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8 programs 13 MCQs v3
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Explanation
Example
int age = 25; age ஒரே ஒரு integer value வைத்திருக்கிறது. So, இத……
Definition
Scalar Data Type Scalar Data Type என்பது ஒரு நேரத்தில் ஒரே ஒரு atomic / single value-ஐ represent செய்யும் dat……
Simple Explanation
ஒரு student-ன் age மட்டும் store செய்ய வேண்டும். int age = 20; இங்கு: age ↓ 20 ஒரே value. இதனால்: Scalar ஆனால……
Flow
DATA TYPE | +-------------------------+ | | v v Scalar Composit……
SCALAR DATA TYPES
Definition
Scalar என்ற word-ன் basic meaning: Single quantity. Programming-ல்: ……
Explanation
Example
int x = 10; x ↓ 10…
Explanation
Scalar data type characteristics
Scalar data type-ன் முக்கிய properties: Single value store செய்கிறது Usually indivisible / atomic value ஆக co……
INTEGER TYPE
Definition
Integer data type என்பது fractional part இல்லாத who……
Explanation
25 என்பது ஒரு single numeric value. இதனால் int scalar type. int ↓ one integer va……
FLOATING-POINT TYPE
Definition
Decimal / fractional values represent செய்ய floating-point data types பயன்படு……
Explanation
Example
double pi = 3.1415926535; இங்……
CHARACTER TYPE
Definition
Single character store செய்ய character type பயன்படுக……
Important
char ch = 'A'; Single quotes: 'A' ஒரு chara……
BOOLEAN TYPE
Definition
Boolean type இரண்டு logical v……
Explanation
Example
bool passed = true; passed ஒரு single Boolean value வைத்திருக……
ENUMERATION TYPE
Definition
Enumeration என்பது programmer……
Explanation
Example
enum Day { Monday, Tuesday, Wednesday }; Variable: Day today = Monday; today ஒரு நேரத்தில் ஒரு enumera……
POINTER TYPE
Explanation
சில programming language classifications-ல் pointer-ஐ scalar type என்று classify செய்கிறார்கள். C++ standard ……
Explanation
return 0; }…
C++ cout பொதுவாக true-ஐ 1 என்றும் false-……
Explanation
int age = 25; age ஒரு integer scalar variable. float mark = 85.5f; mark ஒரு floating-p……
Dry Run
age ↓ 25 mark ↓ 85.5 grade ↓ A passed ↓ t……
1. COMPOSITE DATA TYPES
Definition
Composite data type என்பது multiple data elements / components-ஐ combine ……
Real Life Example
Example
int marks[5] = {80, 85, 90, 75, 95}; marks object: marks ……
Explanation
Composite data type characteristics
Multiple elements வைத்திருக்கலாம் Elements same type அல்லது different type ஆக இருக்கலாம் Complex data structu……
ARRAY
Definition
Array என்பது same type values பலவற்றை co……
Explanation
Example
int marks[5] = {70, 80, 90, 85, 75}; Representation marks……
STRUCTURE
Definition
Structure என்பது different data types ……
Explanation
Example
struct Student { int rollno; char grade; float mark; }; Object: Student s1; Values: s1.rollno = 101; s1.grade……
UNION
Definition
Union structure போலவே multiple members define……
Explanation
Example
union Data { int i; float f; char ch; }; Simple Concept Structure: i → separate memory f → separate memory ch……
CLASS
Definition
Class என்பது data members மற்றும் member fu……
Program
Example
Explanation
Object: Student s; Representation Student object | +--……
RECORD
Explanation
Record என்பது Pascal, database theory, programming language theory போன்ற contexts-ல் அதிகம் பயன்படுத்தப்படும்……
TUPLE
Explanation
Python போன்ற languages-ல் tuple ஒரு composite collection. ……
STRING
Explanation
String classification language-dependent. Conceptually string என்பது: Sequence of characters string name = "P……
Definition
All elements same type இருந்த……
Explanation
Example
int a[4] = {10, 20, 30, 40}; All elements: int……
Definition
Different types கொண்ட element……
Explanation
Example
struct Student { int roll; char grade; floa……
Flow
Composite | +----------------------------+ | | Homogeneous Hete……
Explanation
EXAMPLE 1
int x = 10; Analysis: x ↓ 10 One value. Therefore: Scalar int x[3] = {10, 20, 30}; Analysis: x | +--- 10 +---……
Explanation
Memory view
Scalar: int x = 10; Conceptual memory: Address Object Value 1000 x 10 ஒரே value. Composit……
Explanation
Scalar operation
int a = 10; int b = 20; int c……
Explanation
Composite operation
Array: int a[3] = {10, 20, 30}; Usually……
Output
Result
Concept
Important concept
Scalar என்றால்: One variable = one logical ……
Common Mistake
Error 1
"Array is scalar." Wrong. Arra……
Common Mistake
Error 2
"Structure contains only same type." Wr……
Common Mistake
Error 3
"Character and string are same." Wrong. char ↓ sin……
Common Mistake
Error 4
"Composite means only array." Wrong. Composite inc……
Common Mistake
[COMPARISON: SCALAR vs ARRAY] int x = 10; Sca……
Memory Trick
Scalar நினைவில் வைக்க: S = Single Scalar ↓ Single Compos……
Important
TRB / NET / SET exams-க்கு முக்கியமான points: Scalar type represents one value. Composite type contains multi……
MCQ
Which of the following is a s……
MCQ
Which is a homogeneous compos……
MCQ
Which composite type can cont……
Interview Point
Question
What is the basic difference between scalar and composite data types? Answer: Scala……
MCQ
Scalar data type represents:…
MCQ
Which is a scalar type?…
MCQ
Which is a composite type?…
MCQ
Array is generally:…
MCQ
A structure is generally:…
MCQ
Boolean stores:…
MCQ
Which can combine int, char, ……
MCQ
In C++, pointer type is class……
MCQ
Which one is an example of a ……
MCQ
Which statement is correct?…
Practice
Identify scalar or composite. 1. int age = 25; Answer: Scalar 2. float salary = 25000.50; Answer: Scalar 3. c……
Summary
DATA TYPES | +--- SCALAR | | | +--- Integer | +--- Floating Point | +--- Character | +--- Boolean | +--- Enum……
Explanation
Short description
Scalar Data Type என்பது ஒரு individual value-ஐ represent செய்கிறது; int, float, char, bool போன்றவை examples. ……
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