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In 32-bit mode, aside from the stack pointer(ESP), what other register points to variables on the stack?

In 32-bit mode, aside from the stack pointer(ESP), what other register points to variables on the stack?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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  1. In 32-bit mode, aside from the stack pointer(ESP), what other register points to variables on the stack?

 

  1. Name at least four CPU status flags.

 

  1. Which flag is set when the result of an unsigned arithmetic operation is too large to fit into the destination?

 

  1. Which flag is set when the result of a signed arithmetic operation is either too large or too small to fit into the destination?

 

  1. (True/False): When a register operand size is 32 bits and the REX prefix is used, the R8D register is available for programs to use.

 

  1. Which flag is set when an arithmetic or logical operation generates a negative result?

 

  1. Which part of the CPU performs floating-point arithmetic?

 

  1. On a 32-bit processor, how many bits are contained in each floating-point data register?

 

  1. (True/False):The x86-64 instruction set is backward-compatible with the x86 instruction set.

 

  1. (True/False): In current 64-bit chip implementations, all 64 bits are used for addressing.

 

  1. (True/False):The Itanium instruction set is completely different from x86 instruction set.

 

  1. (True/False): Static RAM is usually less expensive than dynamic RAM.

 

  1. (True/False): The 64-bit RDI register is available when the REX prefix is used.

 

  1. (True/False): In native 64-bit mode, you can use 16-bit real mode, but not the virtual-8086

mode.

 

  1. (True/False): The x86-64 processors have 4 more general-purpose registers than the x86 processors.

 

  1. (True/False):The64-bit version Microsoft Windows doesn't support virtual-8086 mode.

 

  1. (True/False): DRAM can only be erased using ultraviolet light.

 

  1. (True/False): In 64-bit mode, you can use up to eight floating-point registers.

 

  1. (True/False): A bus is a plastic cable that is attached to the motherboard at both ends, but

does not sit directly on the motherboard.

 

  1. (True/False): CMOS RAM is the same as static RAM, meaning that it holds its value with- 

out any extra power or refresh cycles.

 

  1. (True/False): PCI connectors are used for graphics cards and sound cards.

 

  1. (True/False): The 8259A is a controller that handles external interrupts from hardware

devices.

 

  1. (True/False): The acronym PCI stands for programmable component interface.

 

  1. (True/False): VRAM stands for virtual random access memory.

 

  1. At which level(s) can an assembly language program manipulate input/output?

 

  1. Why do game programs often send their sound output directly to the sound card's hardware ports?
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