Embedded Prep

A complete guide of Advanced Linux Sound Architecture (ALSA)

What is ALSA (Advanced Linux Sound Architecture) ALSA (Advanced Linux Sound Architecture) is a sound system framework and part of the Linux kernel that provides audio and MIDI functionality to…

Embeddedprep 2025-03-14

Audio Embedded Embedded C

Little Endian vs. Big Endian: A Complete Guide

Introduction Endianness is an essential concept in computer architecture that determines the byte order used for storing multi-byte data in memory. Different systems use different formats, which can cause compatibility…

Embeddedprep 2025-03-11

Audio Embedded Linux

50 ALSA interview questions 2025

Basic ALSA Questions 1. What is ALSA, and how does it differ from OSS (Open Sound System)? Advanced Linux Sound Architecture (ALSA) is a framework for handling sound on Linux…

Embeddedprep 2025-03-10

Embedded Embedded C Embedded Prep

Storage Classes in C interview questions

Storage classes in C define the scope, visibility, lifetime, and default initial value of variables. There are four storage classes in C: auto extern static register 1. auto Storage Class…

Embeddedprep 2025-03-09

Embedded Embedded C Embedded Prep

Build Process in C from Source Code to Executable

Build Process in C from ource Code to Executable : Understanding the build process in C is crucial for developers, especially those working with embedded systems, operating systems, or performance-critical…

Embeddedprep 2025-03-09

Embedded Embedded C Embedded Prep

Memory Layout of C Programs

Memory Layout of C Programs : Understanding the memory layout of C programs is crucial for every developer, especially those working with embedded systems, operating systems, or low-level programming. C…

Embeddedprep 2025-03-09

Interview Question based on Pointers in C and C++

Embedded Embedded C Embedded Prep

Pointers Interview Question on C and C++

Pointers Interview Question on C and C++ : Pointers are one of the most powerful and essential features of C and C++. They allow efficient memory manipulation and direct interaction…

Embeddedprep 2025-03-09

Embedded Embedded C Embedded Prep

Dynamic Memory Allocation malloc() vs calloc()

Dynamic memory allocation allows programs to allocate memory at runtime, which is essential when the size of data structures is unknown beforehand. 1. malloc() (Memory Allocation) void* malloc(size_t size); Allocates…

Embeddedprep 2025-03-09

Embedded Embedded C

LED Blinking with Arduino

Introduction of LED Blinking Arduino is an open-source electronics platform that makes it easy to build interactive projects. The LED blinking project is the classic “Hello World” of embedded systems…

Embeddedprep 2025-03-08

Embedded Embedded Prep

Multithreading Interview Question

Basic Questions 1. What is a mutex in C++ threading, and how does it work? A mutex (short for mutual exclusion) is a synchronization primitive in C++ that prevents multiple…

Embeddedprep 2025-03-08