INDEX. Sl. No. Programs Page No. Procedure 2. 1 To check whether person is eligible for vote or not. 2 To find the given number is even or odd 6-8
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1 INDEX Sl. No. Programs Page No. Procedure 2 1 To check whether person is eligible for vote or not To find the given number is even or odd To find the given year is leap year or not To find area of rectangle on size of option To find Swapping of numbers To find temperature conversion To find area and circumference of a circle To find largest of three numbers To find smallest of three numbers To calculate simple and compound interest To find reverse of given number and check for palindrome
2 PROCEDURE Start --> Run CD cobol 1) To Edit NE Filename.cob 2) (To Save and Exit F3 --> E) 3) (To save & be in editor F3 --> S) 4) (To save & Quit F3 --> Q) 5) To Compile Cobol> Cobol filename.cob; No errors or warnings 6) To Run Cobol> Runcob Filename.cob Enter data 2
3 Program No.1 Program in COBOL to check whether a person Eligible for Vote or not. Algorithm : 1. Execute program 2. Enter Name and Age of a person 3. Check the age of a person 4. If age is equal or greater than 18, then display Eligible to Vote Else Display Not Eligible to Vote 5. Stop 3
4 Flowchart for the program to check whether a person Eligible for Vote or not. Start Read Name, Age Is Age 18 Yes No Eligible to Vote Not Eligible to Vote Stop 4
5 CODE : *PROGRAM TO CHEAK WHEATHER A PERSON ELIGIBLE FOR VOTE OR NOT. IDENTIFICATION DIVISION. PROGRAM-ID. VOTE. DATA DIVISION. WORKING-STORAGE SECTION. 77 NAME PIC A(7). 77 AGE PIC 99. PROCEDURE DIVISION. P1. DISPLAY " ENTER THE NAME AND AGE ". DISPLAY " ". ACCEPT NAME. P2. ACCEPT AGE. DISPLAY " ". IF AGE = 18 OR > 18 DISPLAY "******************************* " DISPLAY NAME " IS ELIGIBLE TO VOTE " ELSE DISPLAY "******************************* " DISPLAY NAME " IS NOT ELIGIBLE TO VOTE". DISPLAY "******************************* " STOP RUN. 5
6 Program No.2 Program in COBOL to find the given number is Even or Odd. Algorithm : 1. Execute program 2. Enter the number 3. Compute : Number % 2 4. If Reminder = 0, then display Given Number is Even Else Display Given Number is Odd 5. Stop 6
7 Flowchart for the program to find the given number is Even or Odd. Start Read Num Num % 2 Is Rem = 0 Yes No Given Num is Even Given Num is Odd Stop 7
8 CODE : *PROGRAM TO FIND THE EVEN OR ODD NUMBER. IDENTIFICATION DIVISION. PROGRAM-ID. EO. DATA DIVISION. WORKING-STORAGE SECTION. 77 N PIC 9(3). 77 R PIC 9. PROCEDURE DIVISION. P1. DISPLAY " ENTER THE VALUE OF N". ACCEPT N. DIVIDE N BY 2 GIVING N REMAINDER R. IF (R = 0) DISPLAY " THE GIVEN NUMBER IS EVEN" ELSE DISPLAY " THE GIVEN NUMBER IS ODD". STOP RUN. 8
9 Program No.3 Program in COBOL to find the given year is Leap year or Not. Algorithm : 1. Execute program 2. Enter the year 3. Compute, Year % 4 4. If Reminder = 0, then display Given Year is Leap year Else Display Given Year is not Leap year 5. Stop 9
10 Flowchart for the program to find the given year is Leap year or Not. Start Read Year Num % 4 Is Rem = 0 Yes No Given year is Leap year Given year is not Leap year Stop 10
11 CODE : *PROGRAM TO FIND GIVEN YEAR IS LEAP YEAR OR NOT* IDENTIFICATION DIVISION. PROGRAM-ID. EVEN. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 77 YEAR PIC 9(2). 77 Q PIC 9(2). 77 R PIC 9(2). PROCEDURE DIVISION. P1. DISPLAY " ENTER THE YEAR ". ACCEPT YEAR. P2. DIVIDE YEAR BY 4 GIVING Q REMAINDER R. P3. IF R = 0 DISPLAY " GIVEN YEAR IS LEAP YEAR " ELSE DISPLAY " GIVEN YEAR IS NOT LEAP YEAR ". P4. STOP RUN. 11
12 Program No.4 Program in COBOL to find area of rectangle on size of option. Algorithm : 1. Execute program 2. Enter the Length and Breadth 3. Compute : A = L * B 4. Check size of A 5. If no size error, then display The area of rectangle is : Else display Insufficient space, want to continue? 6. Enter Ch = Y or N 7. If Ch = Y, then repeat step 2 8. Stop 12
13 Flowchart for the program to find area of rectangle on size of option. Start Read Length & Breadth Compute A = L * B Is Error Yes Insufficient space. Want to continue? No The Area of Rectangle is Read CH If CH = Y Yes No Stop 13
14 CODE : *PROGRAM TO FIND AREA OF RECTANGLE ON SIZE OF OPTION IDENTIFICATION DIVISION. PROGRAM-ID RECT. DATA DIVISION. WORKING-STORAGE SECTION. 77 L PIC B PIC A PIC CH PIC 9. PROCEDURE DIVISION. P1. DISPLAY " ENTER LENGTH ". ACCEPT L. DISPLAY " ENTER BREATH ". ACCEPT B. COMPUTE A = L * B ON SIZE ERROR GO TO P2. DISPLAY " AREA = ", A. STOP RUN. P2. DISPLAY "INSUFFICIENT SPACE TO STORE RESULT". DISPLAY "DO YOU WANT TO CONTINUE". ACCEPT CH. IF ( CH = 'Y' OR 'y' ) GO TO P1. 14
15 Program No.5 Program in COBOL to swapping numbers. Algorithm : 1. Execute program 2. Enter the numbers A and B 3. Display numbers A and B before swapping 4. Swap : C = A, A = B, B = C 5. Display numbers A and B after swapping 6. Stop 15
16 Flowchart for the program to swapping numbers. Start Read A, B Before Swapping A, B C = A A = B B = C After Swapping A, B Stop 16
17 CODE : *PROGRAM TO SWAPPING NUMBERS. IDENTIFICATION DIVISION. PROGRAM-ID. SWAP. DATA DIVISION. WORKING-STORAGE SECTION. 77 A PIC 9(2). 77 B PIC 9(2). 77 C PIC 9(2). PROCEDURE DIVISION. P1. DISPLAY "ENTER THE TWO NUMBER". ACCEPT A. ACCEPT B. DISPLAY " " DISPLAY "BEFORE SWAPPING A = " A " B = " B ". DISPLAY " " COMPUTE C = A. COMPUTE A = B. COMPUTE B = C. DISPLAY " " DISPLAY "AFTER SWAPPING A = " A " B = " B ". DISPLAY " " STOP RUN. 17
18 Program No.6 Program in COBOL to find temperature conversion. Algorithm : 1. Execute program 2. Enter the temperature in Celsius 3. Convert temperature from Celsius to Fahrenheit, F = C * Display temperature in Fahrenheit = F 5. Enter the temperature in Fahrenheit 6. Convert temperature from Fahrenheit to Celsius, C = (F 32) * Display temperature in Celsius 8. Stop 18
19 Flowchart for the program to find temperature conversion. Start Read Temp in Celsius F = C * Temp in Fahrenheit = F Read Temp in Fahrenheit C = (F 32) * 1.8 Temp in Celsius Stop 19
20 CODE : *PROGRAM TO FIND TEMPERATURE CONVERSION* IDENTIFICATION DIVISION. PROGRAM-ID TEMP. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 01 F PIC 9(3). 01 C PIC 9(3). PROCEDURE DIVISION. P1. DISPLAY " ENTER THE TEMPERATURE IN CELCIUS ". DISPLAY " ". ACCEPT C. COMPUTE F = C * DISPLAY " ". DISPLAY "====================================== ". DISPLAY " TEMPERATURE IN FAREHNIET IS : " F. DISPLAY "====================================== ". DISPLAY " ". DISPLAY " ". DISPLAY " ENTER THE TEMPERATURE IN FAREHNIET". DISPLAY " ". ACCEPT F. COMPUTE C = (F - 32) / 1.8. DISPLAY " ". DISPLAY "====================================== ". DISPLAY " TEMPERATURE IN CELCIUS IS : " C. DISPLAY "====================================== ". STOP RUN. 20
21 Program No.7 Program in COBOL to find Area and Circumference of a circle. Algorithm : 1. Execute program 2. Enter the radius of a circle 3. Compute, (i) CIR = 2 * PI * R, (ii) A = PI * R ** 2 4. Display Circumference of a circle 5. Display Area of a circle 6. Stop 21
22 Flowchart for the program to find Area and Circumference of a circle. Start Read Radius = R CIR = 2 * PI * R A = PI * R ** 2 Circumference = CIR Area = A Stop 22
23 CODE : *AREA AND CIRCUMFERANCE OF A CIRCLE* IDENTIFICATION DIVISION. PROGRAM-ID. CIRC. DATA DIVISION. WORKING-STORAGE SECTION. 77 R PIC 9(2)V CIR PIC Z(4) A PIC Z(4) PI PIC 9(1)V999 VALUE PROCEDURE DIVISION. PARA1. DISPLAY " ENTER THE RADIUS ". ACCEPT R. COMPUTE CIR = 2 * PI * R. COMPUTE A = PI * R ** 2. DISPLAY " ". DISPLAY " CIRCUMFERANCE = ", CIR. DISPLAY " AREA = ", A. STOP RUN. 23
24 Program No.8 Program in COBOL to find Largest of Three numbers. Algorithm : 1. Execute program 2. Enter three numbers A,B,C 3. Check conditions : a) If (A > B) and (A > C), Then Display A is Largest b) If (A < B) and (B > C), Then Display B is Largest c) If (A < B) and (B < C), Then Display C is Largest 4. Stop 24
25 Flowchart for program to find Largest of Three numbers. Start Read A, B, C If A > B Yes No If A > C Yes No If B > C Yes No B is Largest A is Largest C is Largest Stop 25
26 CODE : *PROGRAN TO FIND LARGEST OF THREE NUMBERS IDENTIFICATION DIVISION. PROGRAM-ID. BIG. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 77 A PIC 9(2). 77 B PIC 9(2). 77 C PIC 9(2). PROCEDURE DIVISION. P1. DISPLAY "ENTER THE THREE NUMBERS". DISPLAY " ". ACCEPT A. ACCEPT B. ACCEPT C. IF ( A > B ) IF ( A > C ) DISPLAY "=========================" DISPLAY A " IS LARGEST NUMBER " DISPLAY "=========================" ELSE DISPLAY "=========================" DISPLAY C " IS LARGEST NUMBER " DISPLAY "=========================" ELSE IF ( B > C ) DISPLAY "=========================" DISPLAY B " IS LARGEST NUMBER " DISPLAY "=========================" ELSE DISPLAY "=========================" DISPLAY C " IS LARGEST NUMBER " DISPLAY "=========================" STOP RUN. 26
27 Program No.9 Program in COBOL to find Smallest of Three numbers. Algorithm : 1. Execute program 2. Enter three numbers A,B,C 3. Check conditions : a) If (A < B) and (A < C), Then Display A is Smallest b) If (A > B) and (B < C), Then Display B is Smallest c) If (A > B) and (B > C), Then Display C is Smallest 4. Stop 27
28 Flowchart for program to find Smallest of Three numbers. Start Read A, B, C If A < B Yes No If A < C Yes No If B < C Yes No B is Smallest A is Smallest C is Smallest Stop 28
29 CODE : *PROGRAN TO FIND LARGEST OF THREE NUMBERS IDENTIFICATION DIVISION. PROGRAM-ID. BIG. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 77 A PIC 9(2). 77 B PIC 9(2). 77 C PIC 9(2). PROCEDURE DIVISION. P1. DISPLAY "ENTER THE THREE NUMBERS". DISPLAY " ". ACCEPT A. ACCEPT B. ACCEPT C. IF ( A < B ) IF ( A < C ) DISPLAY "=========================" DISPLAY A " IS SMALLEST NUMBER " DISPLAY "=========================" ELSE DISPLAY "=========================" DISPLAY C " IS SMALLEST NUMBER " DISPLAY "=========================" ELSE IF ( B < C ) DISPLAY "=========================" DISPLAY B " IS SMALLEST NUMBER " DISPLAY "=========================" ELSE DISPLAY "=========================" DISPLAY C " IS SMALLEST NUMBER " DISPLAY "=========================" STOP RUN. 29
30 Program No.10 Program in COBOL to calculate simple and compound interest. Algorithm : 1. Execute program 2. Enter : a) Principle amount = A b) Period = T c) Rate of interest = R 3. Compute : a) SI = ( P * T * R ) / 100 b) A = P * ( 1 + R / 100 ) ** T c) CI = A - P 4. Display Simple Interest =, SI 5. Display Compound Interest =, CI 6. Display Amount =, A 7. Stop 30
31 Flowchart for program to calculate simple and compound interest. Start Read P, T, R SI = ( P * T * R ) / 100 A = P * ( 1 + R / 100 ) ** T CI = A - P SI, CI, A Stop 31
32 CODE : *PROGRAM TO CALCULATE SIMPLE AND COMPOUND INTERST IDENTIFICATION DIVISION. PROGRAM-ID. FFF. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 01 P PIC 9(4). 01 T PIC R PIC 999V SI PIC CI PIC A PIC 9999V99. PROCEDURE DIVISION. P1. DISPLAY " ENTER THE VALUE OF PRINCIPLE AMOUNT ". ACCEPT P. DISPLAY "ENTER THE VALUE OF PRIODE ". ACCEPT T. DISPLAY " ENTER THE VALUE OF RATE OF INTERST ". ACCEPT R. P2. COMPUTE SI = ( P * T * R ) /100. COMPUTE A = P * ( 1 + R / 100 ) ** T. COMPUTE CI = A - P. P3. DISPLAY " SIMPLE INTERST = ", SI. DISPLAY " COMPOUND INTERST = ", CI. DISPLAY " AMOUNT = ", A. STOP RUN. 32
33 Program No.11 Program in COBOL to find reverse of number and check for palindrome. Algorithm : 1. Execute program 2. Enter the number to find reverse, N 3. Compute, M = N 4. Divide N by 10 giving N reminder R 5. Compute Rev = Rev * 10 + R 6. If N = 0, then Move Rev to Rev1 7. Display Reverse of given number =, Rev1 8. Else go to step 4 9. If Rev = M 10. Display Given number is Palindrome 11. Else Display Given number is not Palindrome 12. Stop 33
34 Flowchart for program to find reverse of number and check for palindrome. Start Read N Compute M = N N % 10 Rev = Rev * 10 + R No Is N = 0 Yes Is Rev = M No Yes Given No. is Palindrome Reverse of Given Number Given No. is Not Palindrome Stop 34
35 CODE : *PROGRAM TO FIND REVERSE OF NUMBER AND CHECK FOR PALINDROME IDENTIFICATION DIVISION. PROGRAM-ID. JJ. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 77 N PIC 9(7). 77 R PIC 9(7). 77 REV PIC 9(7) VALUE REV1 PIC Z(7). 77 M PIC 9(7). PROCEDURE DIVISION. P1. DISPLAY " ENTER THE NUMBER TO FIND REVERSE ". ACCEPT N. COMPUTE M = N. P2. DIVIDE N BY 10 GIVING N REMAINDER R. COMPUTE REV = REV * 10 + R. IF N = 0 MOVE REV TO REV1 DISPLAY " REVERSE OF GIVEN NUMBER = ", REV1 ELSE GO TO P2. IF REV = M DISPLAY " GIVEN NUMBER IS PALINDROME " ELSE DISPLAY " GIVEN NUMBER IS NOT PALINDROME ". STOP RUN. 35
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