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12th CS Important Long Notes

The document outlines important topics for long questions in 12th class Computer Science, covering various chapters related to data processing, database management systems, MS Access, programming languages, and control structures. Each chapter includes key concepts such as file organization, normalization, data modeling, and programming functions. Additionally, it provides details on specific tools and procedures in MS Access and programming in C language.

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0% found this document useful (0 votes)
40 views4 pages

12th CS Important Long Notes

The document outlines important topics for long questions in 12th class Computer Science, covering various chapters related to data processing, database management systems, MS Access, programming languages, and control structures. Each chapter includes key concepts such as file organization, normalization, data modeling, and programming functions. Additionally, it provides details on specific tools and procedures in MS Access and programming in C language.

Uploaded by

sqhussain777
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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YOUTH ACADEMY

‫اکیالھکوٹسڈسٹنوکآنالنئایتریرکواےنواالوادحادارہ‬
‫ ویھتا ڈکیمےکاسھتاجری‬ONLINE ‫ھٹب‬m‫ااحتمانتیکایتریرھگ‬

12TH CLASS COMPUTER SCIENCE


IMPORTANT TOPIC FOR LONG QUESTIONS
CHAPTER 01
 Data processing and activities involved in it.
 Types of files from functional and usage point of view.
 File organization and ways to organize files
 Problems faced in traditional file approach
 Major components of database
 Database models
 Features of DBMS
 Advantages and disadvantages of DBMS

CHAPTER 02
 Key and its types

CHAPTER 03
 Data modeling and its ingredients
 Database design process
 Components of logical model
 Data distribution strategies

CHAPTER 04
 Problems exist in relation before normalization
 Database anomalies and its types
 Normalization and its forms
 Partial dependency
 Transitive dependency
 Functional dependency

‫دمہایگروہںیاورابروہںیےکےئلڈاٹیرفامہرکےنواالوادحادارہ‬،‫اچروںالکزسمہن‬
‫سیگرپیپزاورریپگنمیکسےکےیلویھتا ڈکیمویویٹبلنیچوزٹرکںی‬
WHASTSAPP GROUP 0346-6116201
YOUTH ACADEMY
‫اکیالھکوٹسڈسٹنوکآنالنئایتریرکواےنواالوادحادارہ‬
‫ ویھتا ڈکیمےکاسھتاجری‬ONLINE ‫ھٹب‬m‫ااحتمانتیکایتریرھگ‬

CHAPTER 05
 MS Access and its advantages
 Database objects
 Parts of application window of MS Access

CHAPTER 06
 Types of view in MS Access
 Procedure for creating table using table wizard
 Data types available in MS Access
 Field properties
 Types of formats in MS Access
 Methods of modifying table
 Procedure of replacing data
 Procedure of defining relationship in MS Access
 Referential integrity
 Procedures of sorting records
 Filter and its types
 Types of queries

CHAPTER 07
 Types of forms
 Different options for editing forms in MS Access
 Reports and its types

‫دمہایگروہںیاورابروہںیےکےئلڈاٹیرفامہرکےنواالوادحادارہ‬،‫اچروںالکزسمہن‬
‫سیگرپیپزاورریپگنمیکسےکےیلویھتا ڈکیمویویٹبلنیچوزٹرکںی‬
WHASTSAPP GROUP 0346-6116201
YOUTH ACADEMY
‫اکیالھکوٹسڈسٹنوکآنالنئایتریرکواےنواالوادحادارہ‬
‫ ویھتا ڈکیمےکاسھتاجری‬ONLINE ‫ھٹب‬m‫ااحتمانتیکایتریرھگ‬

CHAPTER 08
 Types of programming languages
 Characteristics of high level language
 Types of language translators
 Characteristics of C language
 Turbo C++
 Create, edit, compile save, link and execute a program
 Basic structure of C Program
 Types of errors

CHAPTER 09
 Identifiers and its types
 Variable, its declaration, its initialization
 Rules for naming variables
 Data Types in detail
 Operator and its types

CHAPTER 10
 Printf function
 Scanf function
 Format specifier and its types
 Escape sequence

CHAPTER 11
 Types of control structures
 If, if-else, if-else-if, switch, nested if (working, syntax, flowchart, program)
 Programs mentioned in “Youth Academy Important Programs file”

‫دمہایگروہںیاورابروہںیےکےئلڈاٹیرفامہرکےنواالوادحادارہ‬،‫اچروںالکزسمہن‬
‫سیگرپیپزاورریپگنمیکسےکےیلویھتا ڈکیمویویٹبلنیچوزٹرکںی‬
WHASTSAPP GROUP 0346-6116201
YOUTH ACADEMY
‫اکیالھکوٹسڈسٹنوکآنالنئایتریرکواےنواالوادحادارہ‬
‫ ویھتا ڈکیمےکاسھتاجری‬ONLINE ‫ھٹب‬m‫ااحتمانتیکایتریرھگ‬
CHAPTER 12
 While loop, do-while loop, for loop, nested loop (working, syntax, flowchart, program)
 Programs mentioned in “Youth Academy Important Programs file”

CHAPTER 13
 Types of functions
 Local and global variables
 Function return value
 Types of parameters
 Process of writing a function
 Function declaration, function definition, function call

CHAPTER 14
 Types of file access methods
 Procedure of opening a file and modes of opening file
 String and its declaration and initialization

‫دمہایگروہںیاورابروہںیےکےئلڈاٹیرفامہرکےنواالوادحادارہ‬،‫اچروںالکزسمہن‬
‫سیگرپیپزاورریپگنمیکسےکےیلویھتا ڈکیمویویٹبلنیچوزٹرکںی‬
WHASTSAPP GROUP 0346-6116201

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