Management Information System (MIS) Practice Exam

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Operating systems are often written in which programming language for efficiency?

Structured query language
Assembly language
Hyper text markup language
Practical extraction and report language

The correct answer is: Assembly language

Operating systems are primarily written in assembly language because it allows for efficient control over hardware resources. Assembly language is a low-level programming language that is closely related to machine code, meaning it enables programmers to write instructions that the CPU can execute directly. This allows for fine-tuned performance optimization, as developers can manipulate system resources such as memory and processor operations at a granular level. Using assembly language provides the ability to maximize execution speed and accommodate the requirements of hardware components. In contrast, higher-level languages typically add layers of abstraction that can lead to overhead consumption of memory and processing power, making them less suitable for core system functionalities that require efficiency and speed. While structured query language (SQL) is designed for managing and querying databases, hypertext markup language (HTML) is used primarily for creating web pages, and practical extraction and report language (Perl) is suited for text processing and programming tasks, none of these offers the same level of hardware interaction and performance optimization as assembly language, which is crucial for the development of operating systems.