Answer Posted / prakash.m

phases in SDLC

The phases may be diffred for different SDLC models.
some of the SDLC are

waterfall model(all requirements must be collected in the
first phase itself)
spiral model(processing looks like a spiral fashion,the
desired requirements can be added in next level spirals)
incremental model
prototype model

Stack and queue are data structures. stack is referred as
Last In First Out(LIFO), uses a single pointer
queue is First In First Out(FIFO), uses 2 pointers , one
for insertion and another for deletion.

stack is used for all arithmatic operations, eg. polynomial
addition.

Explain how do you sort filenames in a directory?

1077

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why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1811

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Why #include is used in c language?

1103

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Can we compile a program without main() function?

1181

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Write a C program to help a HiFi’s Restaurant automate its breakfast billing system. Your assignment should implement the following items: a. Show the customer the different breakfast items offered by the HiFi’s Restaurant. b. Allow the customer to select more than one item from the menu. c. Calculate and print the bill to the customer. d. Produce a report to present your complete program and show more sample output. Assume that the HiFi’s Restaurant offers the following breakfast menu: Plain Egg $2.50 Bacon and Egg $3.45 Muffin $2.20 French Toast $2.95 Fruit Basket $3.45 Cereal $0.70 Coffee $1.50 Tea $1.80

3194

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Explain what is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?

1147

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Explain can static variables be declared in a header file?

1200

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Differentiate between full, complete & perfect binary trees.

1169

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What are header files in c?

1122

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Is fortran faster than c?

1082

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What is the data segment that is followed by c?

1138

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a c code by using memory allocation for add ,multiply of sprase matrixes

2863

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Is c pass by value or reference?

1109

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An expression to whose value an operater is applied a) operand b) variable c) constant d) all of the above

1225

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Does sprintf put null character?

1094

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