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Microprocessors

A microprocessor is the heart of any computer, whether it is a server, a desktop machine, or a laptop. This single chip contains the arithmetic, control, and logic circuitry necessary to interpret and execute computer programs.

2,578 Questions

Why stax h not possible in 8085 microprocessor?

There is no STAX for HL register pair because the data transfer for STAX can be done through XCHG command.

For ex: to transfer the data to the memory loaction specified by the HL pair we do as follows:

XCHG

STAX D

for DE pair and BC pair we can directly do it using STAX

About bus speed in CPU?

Many manufacturers publish the speed of the FSB in MHz, but often do not use the actual physical clock frequency but the theoretical effective data rate (which is commonly called megatransfers per second or MT/s). This is because the actual speed is determined by how many transfers can be performed by each clock cycle as well as by the clock frequency. For example, if a motherboard (or processor) has a FSB clocked at 200 MHz and performs 4 transfers per clock cycle, the FSB is rated at 800 MT/s.

Is the AMD K6 a type of microprocessor?

Yes. It is a CPU once made by AMD. It is comparable to the Intel Pentium II.

It was released in 1997 and was designed to be able to operate in computers designed for Intel Pentium processors.

What memory uses a 16 bit path?

Memory called RDRAM that conforms to the RIMM form factor.

What is an lga775 and how does it work?

The LGA 775, or Socket T, is an Intel CPU socket for the desktop. Its job is to provide mechanical and electrical connections between the microprocessor and the PCB. LGA stands for Land Grid Array.

What is the differencebetween on-chip and off-chip memory?

On-chip memory is a memory that resides on microcontroller itself. e.g RAM.

It may be one of the Internal RAM or Special Function Register (SFR).

Off-chip memory is external ROM or EPROM.

What are the advanced microprocessors and their features?

MP IS cpu it self

1) it is 16 bit mp

2) it is fabricated using HMOS TECHOLOGY.

3) IT CONTAIN approximately 29000 transistor.

4) 8086 is 40 pin dip ic

5)it required +5v power supply

6) itrequired 5 mhz external clock frq .

7) it has

20bit AB

16BIT DB

6BYTE IQ

2 EXTERNAL H/W

256 S/W

Write an assembly language program to find Fibonacci series?

hi frenz here is an ALP on fibbonacci series......

source code:

mov si,2000(2000 is a address location of si register)

mov cx,05 (cx is a count register for how many values we have to given)

mov al,00 (initially we have 2 initialize al register at starting point....)

mov [si],al

mov bl,01

inc si

mov [si],bl

add al,bl

mov dl,al

mov al,bl

mov bl,al

inc si

mov [si,dl

dec cx

jnz (address of the location add al,bl jump)

hlt

What is the purpose of a translation lookaside buffer?

The purpose of a translation look aside buffer is to improve virtual address translation speed. There is at least one translation look aside buffer in all laptop, desktop, and server processors.

What is Timer in microprocessor?

Timer means time between the signal waves

Flow chart on steps of microprocessor programming for students project?

#include <p18f4580.h>

#pragma config OSC = IRCIO67

#pragma config WDT = OFF

#pragma config LVP = OFF

#pragma config PBADEN =OFF

#define Q1 PORTDbits.RD0

#define Q2 PORTDbits.RD3

#define Q3 PORTDbits.RD1

#define Q4 PORTDbits.RD2

#define SW1 PORTBbits.RB1

#define SW2 PORTBbits.RB2

#define SENSOR1 PORTBbits.RB3

#define SENSOR2 PORTBbits.RB0

void main()

{ TRISB = 0;

PORTB = 0;

TRISD = 0;

PORTD = 0;

while (1)

{

if ((SW1==1)&&(SW2==0)&&(SENSOR1==0)&&(SENSOR2==0))

{

Q1=1; //clockwise

Q4=1;

Q2=0;

Q3=0;

}

else if ((SW1==0)&&(SW2==0)&&(SENSOR1==1)&&(SENSOR2==0))

{

Q1=0;

Q2=0;

Q3=0;

Q4=0;

}

else if ((SW1==0)&&(SW2==1)&&(SENSOR1==0)&&(SENSOR2==0))

{

Q2=1; //counter clockwise

Q3=1;

Q1=0;

Q4=0;

}

else if ((SW1==0)&&(SW2==0)&&(SENSOR1==0)&&(SENSOR2==1))

{

Q1=0;

Q2=0;

Q3=0;

Q4=0;

}

}

}

What are the functions of the CPU in computer?

A CPU processor or central processing unit controls the functions of most electronic products. The CPU accepts the input data, processes the information and sends it to the component that is in charge of executing the action. CPUs are also known as microprocessors and are at the center of any computer system. Although CPUs are most often thought of as a computer chip, they can also be found in many other electronic devices including cell phones, hand held devices, microwaves, television sets and toys.

What are Core capabilities?

Core capabilities are those skills that differentiate the manufacturing from its competitors