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Operating System Concepts

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Questions and Answers

What is the purpose of base and limit registers in the context of main memory?

Base and limit registers define the logical address space, and the CPU must check every memory access in user mode to ensure it is within the base and limit for that user.

Define address binding and explain the three different stages at which it can occur.

Address binding refers to the process of associating logical addresses used in a program with actual physical memory addresses. It can occur at three different stages: compile time, load time, and execution time.

What happens during the compile time stage of address binding?

During the compile time stage, a language's statements are converted into binary instructions for the processor to execute.

What is the significance of load time in the context of address binding?

Load time is the stage when programs on disk are brought into memory to execute from an input queue, and address binding of instructions and data to memory addresses occurs. Signup and view all the answers

Explain the concept of address binding and its relevance in the context of program execution.

Address binding refers to the process of associating logical addresses used in a program with actual physical memory addresses, and it is essential for the successful execution of programs. Signup and view all the answers

Explain the role of base and limit registers in defining the logical address space, and how the CPU utilizes them during memory access in user mode.

The base and limit registers define the logical address space, and the CPU checks every memory access in user mode to ensure it falls within the range specified by the base and limit registers. Signup and view all the answers

Describe the process of address binding, and identify the three different stages at which it can occur.

Address binding refers to associating logical addresses used in a program with physical memory addresses. It can occur at compile time, load time, and execution time. Signup and view all the answers

Differentiate between the compile time and load time stages of address binding, and provide an example for each stage.

Compile time is when a language's statements are converted into binary instructions; for example, omitting a semicolon at the end of a statement. Load time is the time it takes for a webpage to be fully loaded. Signup and view all the answers

Explain the significance of address binding of instructions and data to memory addresses in the context of program execution.

Address binding ensures that programs can be brought into memory and executed from an input queue, aligning logical addresses with physical memory addresses. Signup and view all the answers

Discuss the relevance of address binding to the execution of programs, and provide an example of when it occurs during program execution.

Address binding is crucial for programs to be associated with physical memory addresses. An example is the time when a program is loaded from disk into memory for execution. Signup and view all the answers