Top "Microprocessors" questions

A microprocessor incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit (IC).

What is a stack pointer used for in microprocessors?

I am preparing for a microprocessor exam. If the use of a program counter is to hold the address of …

stack microprocessors
What is the difference between FIQ and IRQ interrupt system?

I want to know the difference between FIQ and IRQ interrupt system in any microprocessor, e.g: ARM926EJ.

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How many registers are there in 8086/8088?

I took Computer Architecture course and I understood that processor has 32 registers each of 32 bit. Now I am studying computer …

x86 cpu cpu-registers microprocessors
finding physical address in 8086 microprocessor

in 8086 microprocessor a 20 bit address is divided in 16bit+4bit address in which 4 bit binary is the segment address.when …

microprocessors
Why is x86 little endian?

A real question that I've been asking myself lately is what design choices brought about x86 being a little endian …

x86 intel endianness cpu-architecture microprocessors
Converting from 1Mbyte to Hex

I am having problem understanding the following text, 8088 supports 1 Mbyte of external memory. This memory space is organized from a …

binary size microprocessors
difference between memory address register(MAR) and program counter(PC)?

How memory address register(MAR) and program counter(PC) are different from each other?

microcontroller microprocessors
Enabling UART on Beaglebone Black

I'm having trouble getting UART enabled. I've gone through many different directions on how to enable and troubleshoot from updating …

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What are 16, 32 and 64-bit architectures?

What do 16-bit, 32-bit and 64-bit architectures mean in case of Microprocessors and/or Operating Systems? In case of Microprocessors, …

64-bit operating-system 32-bit microprocessors 16-bit