Podcast on Operating System

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Memory Management in Operating System

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  What is Main Memory  Main memory, also called RAM, is where a computer keeps data and programs that the CPU is currently using. It’s fast and temporary; data is lost when the power is off. What is Memory Management  Memory management is how an operating system handles memory for different programs. It makes sure memory is used efficiently and helps avoid problems like memory waste or fragmentation. Why It's Needed : Allocates memory before processes start and frees it afterward. Keeps track of which memory is used. Reduces memory waste (fragmentation). Ensures memory is used effectively and data stays safe during processing. Logical vs. Physical Address: Logical Address: The address made by the CPU, which can change. Physical Address: The actual address in memory, which stays the same. Static vs. Dynamic Loading: Static Loading: Loads the whole program at once, using more memory. Dynamic Loading: Only loads parts of the program when needed, saving memory. Watch this...
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Types of Operating Systems

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Types of Operating Systems There are different types of operating systems, including: Batch Operating System (OS) Multiprogramming Operating System (OS) Time-Sharing OS Multiprocessing OS Distributed OS Network OS Real Time OS Embedded OS  Batch Operating System It doesn’t let users interact directly with the computer. Instead, an operator groups similar jobs together into batches based on their requirements. This system is designed to handle and execute large numbers of jobs well by processing them in these groups. Users prepare their jobs on offline devices like punch cards and submit them to the operator, who then organizes and processes the jobs in batches. Advantages of Batch Operating System: Multiple users can share the system. The system has minimal idle time. It’s efficient for managing and processing large, repetitive tasks. Processors know how long a job will take when it’s in the queue. Disadvantages of Batch Operating System: Batch systems are difficult to debug. They ...
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What Is An Operating System And Types Of Operating Systems

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 What is an Operating System Hardware + Software = Computer System Application Software + System Software = Software An operating system is a system software that acts as bridge between the user and his/ her device. Without the Operating System a user wouldn't be able to interact with the computer.  Operating systems are responsible for everything from the control and allocation of memory to recognizing input external devices and transmitting output to computer displays. ​They also manage files on computer hard drives and control peripherals, like printers and scanners. List of Operating Systems There are a variety of operating systems out there so here are the more common ones: Windows Linux Android IOS macOS  List of Operating Systems continue... Windows: known for its user-friendly interface and wide range of software, Windows is a well-known operating system that is used globally on most personal computers. It was created and owned by a company called Microsoft in the...
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