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Articles by Bhanu Priya
Page 57 of 107
Explain Compile time and Run time initialization in C programming?
In C programming, array initialization can occur at two different times: compile time and run time. Understanding the difference between these two approaches is crucial for effective memory management and program design. Syntax // Compile time initialization type array_name[size] = {value1, value2, ..., valueN}; // Run time initialization type array_name[size]; // Values assigned during program execution Compile Time Initialization In compile time initialization, array values are specified directly in the source code when the array is declared. The compiler allocates memory and assigns values during the compilation process − #include ...
Read MoreWhy is the compiler not reading string after integer in C programming?
When reading string input after integer input in C, a common issue occurs where the string appears to be skipped. This happens because scanf() leaves a newline character in the input buffer after reading the integer. The Problem When you use scanf() to read an integer and then try to read a string using gets() or fgets(), the leftover newline character from the integer input is immediately consumed by the string function, causing it to terminate without reading actual string input. Solution Methods Method 1: Using a Temporary Character Read the leftover newline character using ...
Read MoreWhat is the common error occurred while using scanf() statement in C language?
The scanf() function in C is commonly used to read formatted input, but it often causes issues when reading strings after numeric values. The main problem occurs because scanf() leaves a newline character in the input buffer after reading numbers, which interferes with subsequent string input functions. Common Error When using scanf() to read numeric data followed by string input with gets() or fgets(), the string input is skipped because the leftover newline character from the previous scanf() is immediately consumed. Example: Demonstrating the Problem Here's a program that shows the common error when reading a ...
Read MoreHow to print a name multiple times without loop statement using C language?
In C programming, printing a name multiple times typically requires loops. However, we can achieve this without using any loop or goto statement by implementing recursive functions or using multiple printf statements. Syntax void recursiveFunction(parameters) { // Base case if (condition) return; // Process printf("text"); // Recursive call recursiveFunction(modified_parameters); } Method 1: Using ...
Read MoreFind the ASCII value of the uppercase character 'A' using implicit conversion in C language?
Implicit type conversion occurs when the compiler automatically converts a smaller data type to a larger data type without explicit casting. In C, when a char is used in an arithmetic operation, it gets implicitly converted to an int, allowing us to access its ASCII value. Syntax int ascii_value = character + 0; // Implicit conversion from char to int Example 1: ASCII Value of 'A' The following example demonstrates finding the ASCII value of uppercase character 'A' using implicit conversion − #include int main() { ...
Read MoreWhat are the 4 steps to convert C program to Machine code?
Converting a C program to machine code is a multi-stage process that transforms human-readable source code into executable machine instructions. This process involves four essential steps that work together to create a runnable program. The 4 Steps to Convert C Program to Machine Code The conversion process follows these four sequential steps − Writing and Editing − Creating the source code Preprocessing − Processing directives and preparing code Compiling − Translating to machine language Linking − Creating the final executable Source Code (.c) ...
Read MoreC program for DFA accepting all strings over w ∈(a,b)* containing "aba" as a substring
ProblemDesign a DFA for the language L={w1abaw2 | w1, w2 Є(a, b)*}, which means the DFA accepts all strings which contain “aba” as a substring.SolutionThe strings that are accepted by language L= {aba, aabaa, aabab, babab, ababa, …….}Step 1 − Transition diagram for minimal string (starting string) −If w1 and w2 are null then the string it generates is “aba” because w1, w2 ε(a, b)*q0 is the initial state and q3 is the final state.Step 2 − The final DFA for the given language is as follows −Explanationqo is the initial state q0 on ‘a’ goes to q1 and on ...
Read MoreC Program to construct DFA accepting odd numbers of 0s and 1s
Construct deterministic finite automata (DFA) for the language L = { w : w has odd number of 0’s and w has odd number of 1’s}, over the alphabet Σ = {0, 1}.Example0111, 010101, 01110011 is an accepted string, because those strings have an odd number of 0’s and an odd number of 1’s.For the given language we will need four states to draw the main DFA which will read odd no. of 0s and 1s. We can also draw it by merging the two DFAs in which one will accept only an odd number of 0s and one accepts ...
Read MoreC Program to build DFA accepting the languages ending with "01
ProblemDesign deterministic finite automata (DFA) with ∑ = {0, 1} that accepts the languages ending with “01” over the characters {0, 1}.SolutionThe strings that are generated for a given language are as follows −L={01, 001, 101, 110001, 1001, ……….}The minimum length of the string is 2, the number of states that the DFA consists of for the given language is: 2+1 = 3 states.Here, q0 − On input 0 it goes to state q1 and on input 1 it goes to itself.q1 − On input 0 it goes to itself and on input 1 it goes to State q2.q2 − ...
Read MoreWhat is shared memory architecture in parallel databases?
In parallel database system data processing performance is improved by using multiple resources in parallel. In this CPU, disks are used parallel to enhance the processing performance. Operations like data loading and query processing are performed parallel. Centralized and client server database systems are not powerful enough to handle applications that need fast processing. Parallel database systems have great advantages for online transaction processing and decision support applications. Parallel processing divides a large task into multiple tasks and each task is performed concurrently on several nodes. This gives a larger task to complete more quickly. Architectural Models There are several ...
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