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Devansh Biswal

3rd year B. Tech student at Veer Surendra Sai University of Technology, Burla. Working hard day and night to get placed at Google.

Burla, Sambalpur (in Odisha, India) •
23 posts •
C++

Convert C and C++ code to Assembly Code

In this article at OpenGenus, we have explained how to convert / compile a C or C++ code to Assembly code using GCC or G++ compiler.

Devansh Biswal
instruction set

Why learn assembly instructions?

In this article at OpenGenus, we have explained how learning assembly instructions can be useful and who should learn it in this age of high level programming languages.

Devansh Biswal
instruction set

Matrix Multiplication in Assembly

In this article at OpenGenus, we have explained how to implement Matrix Multiplication in Assembly. We have provided the complete assembly code to multiply 2 3x3 matrices as well.

Devansh Biswal
instruction set

Array in x86 Assembly

In this article at OpenGenus, we have explained how to implement an Array in x86 Assembly Programming Language. This gives a strong insight on how array function behind the high level programming languages.

Devansh Biswal
C++

VPOPCNT: Number of set bits

In this article at OpenGenus, you must have the complete idea of VPOPCNT assembly instruction that is used to get the number of set bits.

Devansh Biswal
instruction set

XCHG - Exchange Memory

In this article at OpenGenus, we have explained the concept of XCHG instruction in x86 processor that is used to swap contents between two registers or memory locations.

Devansh Biswal
Computer Architecture

Number of Clock Cycles in Assembly Instructions

In this article at OpenGenus, we have listed the Number of Clock Cycles in different Assembly Instructions like LEA, XCHG and others.

Devansh Biswal
instruction set

Number of Clock Cycles in Arithmetic Operations

In this article at OpenGenus, we have listed the Number of Clock Cycles in Arithmetic Operations. This is an important information to understand which operation to use and which one to avoid based on performance.

Devansh Biswal
C++

MOVSX, MOVSXD - Move with Sign Extend, Doubleword

In this article at OpenGenus, we have covered 2 important assembly instructions namely MOVSX and MOVSXD which is used to move a data considering sign bits. It is an alternative to MOVZX.

Devansh Biswal
instruction set

x86 LEA - Load Effective Address

In this article at OpenGenus, we have explained the concept of LEA assembly instruction which is used in x86 processors.

Devansh Biswal
instruction set

Exit program in Assembly code

In this article at OpenGenus, we have explored how to exit a program written in Assembly.

Devansh Biswal
C++

MOVZX - Move with Zero Extend

In this article at OpenGenus, we have explored the concept of MOVZX assembly instruction in depth with code examples.

Devansh Biswal
C Programming

C program to swap two numbers without using third variable [3 techniques]

In this article, we have demonstrated multiple approaches to swap two numbers without using a third temporary variable.

Devansh Biswal
C Programming

C Program to read last N characters from file

In this article, we have explained how to read last N characters from a file in C programming language along with a complete C program.

Devansh Biswal
C Programming

C program to find Twin Prime Numbers

In this article, we have explored the approach to find twin prime numbers less than N and implement it in C Programming Language.

Devansh Biswal
C Programming

C Program to find Length of a String using Pointer

In this article, we have explained the approach to find the length of a string using Pointer in C Programming Language.

Devansh Biswal
C Programming

C Program to count trailing zeros using bitwise operator

In this article, we have designed and implemented a C Program to count trailing zeros using bitwise operators only. This will involve AND and Left Shift bitwise operation.

Devansh Biswal
C Programming

C Program to convert number to binary using bitwise operators

In this article, we have designed and implemented a C Program to convert number to binary using bitwise operators.

Devansh Biswal
C Programming

C program to copy one file into another using fputc and fgetc

Copying a file into another is one of the most common file tasks in any Programming Language. In this article, we have explained the approach to copy one file into another using fputc and fgetc in C program and provided a step-by-step explanation with complete C program.

Devansh Biswal
Python

Python datetime lambda

In this article, we have explained how to extract date and time in Python using 4 different Lambda functions.

Devansh Biswal
C Programming

[FIXED] Undefined reference to 'pow', 'floorf' and 'floor'

In this article, we have presented 3 ways to fix the error "Undefined reference to 'pow', 'floorf' and 'floor'" while compiling C programs.

OpenGenus Foundation OpenGenus Foundation
C Programming

C Program to calculate Simple Interest

In this article, we have explained the concept of Simple Interest with the twists in it and implemented a program in C Programming Language to calculate Simple Interest.

OpenGenus Foundation OpenGenus Foundation

[FIXED] Error writing file, is your harddrive almost full? (getFile)

In this article, we have presented multiple ways to fix the error of "Error writing file, is your harddrive almost full? (getFile)".

Devansh Biswal
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