DATA SEGMENT Meaning and
Definition
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The data segment, in computer programming and memory management, refers to a specific portion of a computer's memory that is dedicated to storing global and static variables. It is a division or section of a computer's virtual memory, and it contains data that is accessible throughout the entire program execution.
In most modern computer architectures, the data segment is divided further into two sub-segments: initialized data segment and uninitialized data segment. The initialized data segment, also known as the "data" section, is responsible for storing variables that are explicitly initialized by the programmer with specific values. These variables remain constant throughout the program's lifetime.
On the other hand, the uninitialized data segment, also called the "bss" (Block Started by Symbol) section, is used for variables that are not explicitly initialized by the programmer. It is set to a default value (usually 0) by the compiler or operating system before the program starts executing.
The data segment is important because it allows programmers to declare and utilize variables that can be accessed from different parts of the program without having to explicitly pass them as arguments or use global variables. It provides a convenient way to store and share data among various functions and modules within a program, enhancing code modularity and flexibility.
Common Misspellings for DATA SEGMENT
- sata segment
- xata segment
- cata segment
- fata segment
- rata segment
- eata segment
- dzta segment
- dsta segment
- dwta segment
- dqta segment
- dara segment
- dafa segment
- daga segment
- daya segment
- da6a segment
- da5a segment
- datz segment
- dats segment
- datw segment
- datq segment
Etymology of DATA SEGMENT
The word "data segment" originates from the field of computer science and programming. It is a combination of two terms: "data" and "segment".
- "Data" refers to the information or values that are processed, stored, or manipulated by a computer or a program. In computer memory, data can take different forms, such as numbers, text, images, or any other type of information that a program deals with.
- "Segment" refers to a distinct section or portion of memory that is allocated for a specific purpose. Memory segmentation is a memory management technique used by computer systems to divide memory into separate segments, allowing programs to have their dedicated sections of memory.
Therefore, a "data segment" in computer science refers to a specific portion of memory assigned to store data during the execution of a program. It is a segment or section dedicated to holding variables, constants, and other data utilized by the program.
