GATE 2015 COMPUTER SCIENCE & INFORMATION TECH. – CS – C Programming | Q. 21 (Session – 2)

Learn how recursion, the function call stack, LIFO, and putchar() work together to solve GATE 2015 C Programming Question 21. Step-by-step explanation shows why the output is DCBA.

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Solved C Recursion Problems: Factorial, Fibonacci, Sum of Digits & More

Learn recursion in C with solved problems on factorial, sum of digits, prime factors, Fibonacci series, and decimal-to-binary conversion. Each problem includes a simple recursive solution and explanation.

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Sum of First 5 Natural Numbers in C: Understanding Recursion Step by Step

Learn recursion in C with a simple example of finding the sum of the first 5 natural numbers. Understand recursive functions, base conditions, function call stacks, LIFO, and how recursive calls return through unwinding.

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GATE 2015 COMPUTER SCIENCE & INFORMATION TECH. – CS – C Programming | Q. 11 (Session – 3)

Learn how to solve GATE 2015 C Programming Question 11 using character arrays, pointer arithmetic, dereferencing, 0, ‘0’, ‘\0’, and printf(“%s”) with a clear step-by-step explanation.

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GATE 2015 COMPUTER SCIENCE & INFORMATION TECH. – CS – C Programming | Q. 62 (Shift – 1)

Learn how pointer arithmetic works with 2-D arrays in C using GATE 2015 Question 62. Understand array indexing, row pointers, memory addresses, dereferencing, and expressions such as x+3, *(x+3), and *(x+2)+3 with simple step-by-step explanations.

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GATE 2013 COMPUTER SCIENCE & INFORMATION TECH. – CS – C Programming | Q. 42

Learn how to solve GATE 2013 C Programming Question 42 using recursion, pass-by-reference, and pass-by-value. Trace each recursive call step by step and understand how the final answer 6561 is obtained.

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GATE 2012 COMPUTER SCIENCE & INFORMATION TECH. – CS – C Programming | Q.3

Solve GATE 2012 C Programming Question 3 step by step. Learn how switch-case fall-through works when break statements are absent and understand why the correct answer is Option (C).

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GATE 2014 (CS02) – C Programming | Q.10

Solve GATE 2014 C Programming Question 10 step by step. Learn how the right-shift operator >>= 1 works, convert 435 to binary, trace the loop, and find why func(435) returns 9.

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