In todayβs technological era, embedded systems have become an integral part of our daily life. From smart homes to smart cities, embedded systems are everywhere, and they are making our lives easier and more comfortable. Embedded systems are designed to perform specific tasks, and they are often used in applications where reliability and efficiency are […]
Read More About Operating SystemsALL ABOUT ADDRESSING MODES: Moving into the depths of low-level programming, we land upon assembly language. Assembly language is the closest language to us programmers and hardware. The assembly language is hardware dependent. You canβt write the same code for all the devices that you are about to use. Before you write any assembly code, […]
Read More Addressing ModesWe know the common memory allocators as π¦ππ₯π₯π¨π(), πππ₯π₯π¨π(), π«πππ₯π₯π¨π(). Although having a different functionality, almost all of the above function as the same. πππ₯π₯π¨π() allocates a chunk of memory with respect to the data type they are provided with.ππ²π§πππ±: pointer = (typecast*) malloc(byte-size) πππ₯π₯π¨π() allocates given chunk of memory with size of each element, […]
Read More The allocators behind dynamic memory allocatorsGREP: Exploration of the metacharacters: ^ – It matches the beginning of a line $ – It matches the end of a line \ – It matches with a character placed next to it. Ex; * matches with the character * (asterisk) , \, with a comma, ] with a closing rectangular bracket and so […]
Read More Some UNIX Utilities( Stage-1 ) About Preprocessor: ( Stage-2 ) About Compiler: ( Stage-3 ) About Assembler: ( Stage-4 ) About Liner or Link Editor: ( Stage-5 ) About Librarians and Libraries: During linking, a standard library, libc.a is automatically linked. If gcc -c is used:– The code is compiled but not linked. If gcc -Dname is […]
Read More Stages of a Compiler