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Smart Grids and Energy Storage Systems

Smart Grids and Energy Storage Systems: Powering the Future of Energy In today’s rapidly evolving energy landscape, the push towards sustainability, efficiency, and reliability is stronger than ever. Traditional power grids, though robust in their time, are no longer sufficient to meet the demands of a modern, digital, and environmentally conscious society. This is where smart grids and energy storage systems (ESS) come into play — revolutionizing how electricity is generated, distributed, and consumed. What is a Smart Grid? A smart grid is an advanced electrical network that uses digital communication, automation, and real-time monitoring to optimize the production, delivery, and consumption of electricity. Unlike conventional grids, which operate in a one-way flow (from generation to end-user), smart grids enable a two-way flow of information and energy. Key Features of Smart Grids: Real-time monitoring of power usage and quality. Automated fault detection and rapid restoration. Int...

Control statement used in algorithms

CONTROL STRUCTURES USED IN ALGORITHMS
An algorithm has a finite number of steps. Some steps may involve decision-making and repetition. Broadly speaking, an algorithm may employ one of the following control structures: (a) sequence, 
(b) decision, and (c) repetition.

Sequence
By sequence, we mean that each step of an algorithm is executed in a specified order. Let us write an algorithm to 
add two numbers. This algorithm performs the steps in a purely sequential order, as shown in below.
Fig : Algorithm to add two numbers

Decision
Decision statements are used when the execution of a process depends on the outcome of some condition. For 
example, if x = y, then print EQUAL. So the general form of IF construct can be given as:
IF condition Then process
A condition in this context is any statement that may evaluate to either a true value or a false value. In the above example, a variable x can be either equal to y or not equal to y. However, it cannot 
be both true and false. If the condition is true, then the process is executed.
A decision statement can also be stated in the following manner:
IF condition
Then process1
ELSE process2
This form is popularly known as the IF–ELSE construct. Here, if the condition is true, then process1 is executed, else process2 is executed. Below fig shows an algorithm to check if two numbers 
are equal.
    Fig : Algorithm to test equality of two numbers

Repetition
Repetition, which involves executing one or more steps for a number of times, can be implemented using constructs such as while, do–while, and for loops. These loops execute one or more steps until some condition is true. Figure below shows an algorithm that prints the first 10 natural numbers
Fig: Algorithm to print first n natural numbers

Programming Examples
1. Write an algorithm for swapping two values.
Step 1: Input first number as A
Step 2: Input second number as B
Step 3: SET TEMP = A
Step 4: SET A = B
Step 5: SET B = TEMP
Step 6: PRINT A, B
Step 7: END

2. Write an algorithm to find the larger of two numbers.
Step 1: Input first number as A
Step 2: Input second number as B
Step 3: IF A>B
 PRINT A
ELSE
 IF A<B
 PRINT B
ELSE
 PRINT "The numbers are equal"
 [END OF IF]
[END OF IF]
Step 4: END

3. Write an algorithm to find whether a number is even or odd.
Step 1: Input number as A
Step 2: IF A%2 =0
 PRINT "EVEN"
ELSE
 PRINT "ODD"
[END OF IF]
Step 3: END

4. Write an algorithm to print the grade obtained by a student using the following rules.
Step 1: Enter the Marks obtained as M
Step 2: IF M>75
 PRINT O
Step 3: IF M>=60 AND M<75
 PRINT A
Step 4: IF M>=50 AND M<60
 PRINT B
Step 5: IF M>=40 AND M<50
 PRINT C
ELSE
 PRINT D
Less then 40 D
[END OF IF]
Step 6: END
Marks      Grade
Above 75.   O
60–75         A
50–59         B
40–49         C

5. Write an algorithm to find the sum of first N natural numbers.
Step 1: Input N
Step 2: SET I = 1, SUM = 0
Step 3: Repeat Step 4 while I <= N
Step 4: SET SUM = SUM + I
 SET I = I + 1
[END OF LOOP]
Step 5: PRINT SUM
Step 6: END

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Abbreviations

No :1 Q. ECOSOC (UN) Ans. Economic and Social Commission No: 2 Q. ECM Ans. European Comman Market No : 3 Q. ECLA (UN) Ans. Economic Commission for Latin America No: 4 Q. ECE (UN) Ans. Economic Commission of Europe No: 5 Q. ECAFE (UN)  Ans. Economic Commission for Asia and the Far East No: 6 Q. CITU Ans. Centre of Indian Trade Union No: 7 Q. CIA Ans. Central Intelligence Agency No: 8 Q. CENTO Ans. Central Treaty Organization No: 9 Q. CBI Ans. Central Bureau of Investigation No: 10 Q. ASEAN Ans. Association of South - East Asian Nations No: 11 Q. AITUC Ans. All India Trade Union Congress No: 12 Q. AICC Ans. All India Congress Committee No: 13 Q. ADB Ans. Asian Development Bank No: 14 Q. EDC Ans. European Defence Community No: 15 Q. EEC Ans. European Economic Community No: 16 Q. FAO Ans. Food and Agriculture Organization No: 17 Q. FBI Ans. Federal Bureau of Investigation No: 18 Q. GATT Ans. General Agreement on Tariff and Trade No: 19 Q. GNLF Ans. Gorkha National Liberation Front No: ...

Operations on data structures

OPERATIONS ON DATA STRUCTURES This section discusses the different operations that can be execute on the different data structures before mentioned. Traversing It means to process each data item exactly once so that it can be processed. For example, to print the names of all the employees in a office. Searching It is used to detect the location of one or more data items that satisfy the given constraint. Such a data item may or may not be present in the given group of data items. For example, to find the names of all the students who secured 100 marks in mathematics. Inserting It is used to add new data items to the given list of data items. For example, to add the details of a new student who has lately joined the course. Deleting It means to delete a particular data item from the given collection of data items. For example, to delete the name of a employee who has left the office. Sorting Data items can be ordered in some order like ascending order or descending order depending ...

Points to Remember

• A data structure is a particular way of storing and organizing data either in computer’s memory or on the disk storage so that it can be used efficiently. • There are two types of data structures: primitive and non-primitive data structures. Primitive data structures are the fundamental data types which  are supported by a programming language. Non-primitive data structures are those data structures which are created using primitive data structures. • Non-primitive data structures can further be classified into two categories: linear and non-linear data structures.  • If the elements of a data structure are stored in a linear or sequential order, then it is a linear data structure. However, if the elements of a data structure are not stored in sequential order, then it is a non-linear data structure.  • An array is a collection of similar data elements which are stored in consecutive memory locations. • A linked list is a linear data structure consisting of a grou...