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What are the Differences between program invisible registers and program visible registers?
The programming model of the 8086 through the Pentium II’s considered to be program visible because its registers are used during application programming and are specified by the instructions. Other registers, detailed later in this chapter, are considered to be program invisible because they are not addressable directly during applications programming, but may be used indirectly during system programming. Only the 80286 and above contain the program-invisible registers used to control and operate the protected memory system.
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What is program invisible registers?
It's me!
What is a program visible register?
the registers that are used during programming and are specified directly by the instructions.
Differences between audit plan and audit program?
difference between audit program audit & note book
What is the differences between curriculum and education?
Curriculum is to study. Program is to train.
What is the difference between caller save and callee save registers in terms of their impact on program performance and efficiency?
Caller save registers are saved and restored by the calling function, while callee save registers are saved and restored by the called function. Caller save registers can lead to faster function calls but may require more instructions to save and restore values. Callee save registers can lead to slower function calls but may result in better overall program efficiency by reducing the need for saving and restoring values frequently.
What are signals that inform the Operating System that something has happened?
Messages or values in registers. Messages are passed between programs and the operating system to tell something else what to do. For example, when you click on a program, the computer does not directly run the program's code. The operating system receives a message telling it to run the specified program and does so. It makes note of this in internal registers, which keep track of what program is executing and what line of code is being executed.
Does memory hold program instructions and data immediatley before or after the registers?
yes
What are the key differences between an MSC and an MA degree program?
The key differences between an MSC (Master of Science) and an MA (Master of Arts) degree program are the focus of study. An MSC program typically emphasizes technical or scientific subjects, while an MA program usually focuses on humanities or social sciences. Additionally, the coursework and research requirements may vary between the two types of programs.
Why are programme counter and stack pointer register 16 bit registers?
The program counter (PC) and stack pointer (SP) registers are 16-bit registers in the 8085 and in the 8086/8088 because that is how Intel designed the processors.
What is program visible register?
the registers that are used during programming and are specified directly by the instructions.
What is the main difference between the now obsolete DOS program and the current Windows program?
Technically there is no differences between Windows and DOS. DOS is an acronym for Disk Operating System which every computer has to have to operate.
What are Base and Limit registers?
Base and Limit registers are hardware registers used in computer systems to define the memory range that a program can access. The Base register stores the starting memory address of a program, while the Limit register stores the size of the memory range that the program can access relative to the base address. This mechanism helps prevent programs from accessing memory outside of their allocated range, enhancing system security and stability.
