1. UNIT - 3 PROBLEM SOLVING AND OFFICE AUTOMATION

5. Program planning method Specification Review Informal Design Test & Debug Coding Formal Design Maintaining

9. Waterfall method Feasibility Analysis Maintenance Testing Impl Design

34. Example START C=a+b Print c Read a,b STOP

37. Example Start Read a If a>0 Print a is Positive Stop no yes

39. Example Start Read a,b If a>b Print a is Greater Print b is Greater Stop no yes

41. start stop Read m1,m2,m3 Avg=(m1+m2+m3)/3 If Avg>=60 If Avg>=50 If Avg>=35 Fail Print First Class Print Second Class Print Third Class Example: Finding the Grade

44. Example Start Num=0 Num=Num+1 Print Num while Num<5 stop no yes

46. Example Start Num=0 Num=Num+1 Print Num while Num<5 stop no yes

49. Flowchart START area=3.14*r*r Print area Read r STOP

52. Flowchart START Print b Is largest Read a,b,c stop If (a>b) and (a>c) If b>c Print a Is largest Print c Is largest no yes yes no

56. Flow chart Start Stop D=b*b-4*a*c Root1=[-b+sqrt(D)]/(2*a) Root2=[-b+sqrt(D)]/(2*a) Read a,b,c Print root1,root2 If D>=0 no yes Print roots are imaginary

60. Flowchart START c = a a = b b = c Print a, b Read a, b STOP

63. Flowchart START a = a + b b = a - b a = a - b Print a, b Read a, b STOP

66. Flowchart Start Read year year % 4 ==0 Print It is a Leap year Print It is not a Leap year Stop no yes

69. Flowchart Start Read n i = 1 fact=fact * i i=i+1 Print fact while i<=n stop no yes

72. Flowchart Start r = 0,sum=0 r=n%10 sum=sum + r n=n/10 Print sum while n>0 stop no yes Read n

75. Flowchart Start r = 0,sum=0 r=n%10 sum=sum *10 + r n=n/10 Print sum while n>0 stop no yes Read n

79. Flowchart Start a = n,sum=0 r=n%10 sum=sum + r*r*r n=n/10 Print Armstrong No while n>0 stop no yes Read n if a=sum Print It is Not an Armstrong No

83. Flowchart Start f=0,f1= -1,f2=1 f=f1+f2 f1=f2 f2=f Print f while f<n stop no yes Read n

86. Flowchart START Fahrenheit = (1.8* Celsius) + 32 Print Fahrenheit Read Celsius STOP

89. Flowchart START Celsius =(Fahrenheit – 32)/1.8 Print Celsius Read Fahrenheit STOP

92. Flowchart Start sum=0,i=1 sum=sum+i i=i+2 Print sum stop Read n While i<=n

95. Flowchart Start sum=0,i=0 sum=sum+i i=i+2 Print sum stop Read n While i<=n

98. Flowchart Start sum=0,i=0 Print sum stop Read n While n>0 r=n%10 sum=sum + r*Pow(2,i) n=n/10 i=i+1

99. Application software Packages