Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

1) a) Suppose the register B holds 93H and the accumulator holds 15H. Illustrate the results of the instructions ORA B and CMA.

b) Describe the addressing modes of 8085 with the help of an ex.

2) a) prepare down an assembly language program, that checks to see if the number is even number or odd and if it is odd returns ‘0’ in B reg. else returns a ‘1’.

b) describe the different memory mapping schemes? Provide any one benefit and drawbacks for each.

3) Sketch the circuit diagram displaying the interfacing of a DAC with any one microprocessor and create the assembly language program to produce a triangular wave form at the output of DAC.

4) Describe the operation of USART with a neat diagram.

5)  Sketch the hardware circuit needed for interfacing the four phase stepper motor to a micro processor. Provide the flowchart of the software driving it in the clockwise and anticlockwise.

6) Describe the seven-segment display interface with microprocessor.

7) Develop an 8086 based system with the following specification:

a) 8086 in min. mode

b) 64 kb EPROM with the starting address F 0000H

c) 64 kb RAM with the starting address 30000 H.

Sketch the complete schematic of design indicating address map.

8) Describe the string instruction of 8086.prepare down the program by using the 8086 assembly language to move N number of bytes from the location starting at ‘OLDLOC’ to the location starting at ‘NEWLOC’.

9) a) describe how memory management is done through descriptors in 80386.

b) describe the advanced design feature in Intel Pentium processor when compared with the 80486 processor in brief.

10) describe the timing diagram of an interleaved memory system showing the access times and addressing signals for both sections of memory with the help of diagram.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M912927

Have any Question? 

Related Questions in Electrical & Electronics

A the highest frequency in the spectrum x omega fig p81-8a

a. The highest frequency in the spectrum X (ω) (Fig. P8.1-8a) of a bandpass signal x (t) is 30 Hz. Hence, the minimum sampling frequency needed to sample x (t) is 60 Hz. Show the spectrum of the signal sampled at a rate ...

1 what is the laplacian of a scalar what is its expansion

1. What is the Laplacian of a scalar? What is its expansion in Cartesian coordinates? 2. State Poisson's equation. 3. Outline the solution of Poisson's equation for the potential in a region of known charge density varyi ...

1 a 15 v aa battery that costs 1 is rated at 18 ah what is

1. A 1.5 V AA battery that costs $1 is rated at 1.8 Ah. What is its cost per kWh? 2. Suppose a 12-V battery bank rated at 200 Ah under standard conditions needs to deliver 600 Wh over a 12-h period each day. If they oper ...

Consider a plane-strain square element with unit depth as

Consider a plane-strain square element with unit depth as shown in the figure. Use the St. Venant-Kirchhoff isotropic material model with two Lame's constants λ and μ. A uniformly distributed force T x  (force per area) ...

1 briefly discuss the solution of the transmission-line

1. Briefly discuss the solution of the transmission-line matching problem. 2. How is the length of a short-circuited stub for a required input susceptance determined by using the Smith Chart?

1 draw the symbols for the nand nor xor and xnor gates what

1. Draw the symbols for the NAND, NOR, XOR, and XNOR gates. What is the difference between the Buffer, AND, OR, XOR and the NOT, NAND, NOR, and XNOR gates? 2. Modify the circuit from question 2 to use a second AND gate o ...

Problem 1 - a consider an isolated generating station with

Problem 1 - a. Consider an isolated generating station with a local load and with: Governor time constant and gain T G = 0, K G = 1, Turbine time constant and gain T T = 1, K T = 1 System time constant T P = 20 Total dam ...

Answer the following questionsa how many output lines would

Answer the following questions. a. How many output lines would a 4 input decoder have? b. How many output lines would a 5 input decoder have? c. For an N-to-X decoder, specify X as a function of N (e.g. specify the numbe ...

Clculate the surface integral of the vector function f

Calculate the surface integral of the vector function, F = xe 1  + ye 2 , over the portion of the surface of the unit sphere, S : x 2  + y 2  + z 2  = 1, above the xy-plane, i.e., z > 0.

Assignmentexercise 1 damping ratewe study the response of

Assignment Exercise 1: damping rate We study the response of the circuit of figure 1 to a step e(t). Figure 2 shows the output of the circuit as function of the time. The step signal during all this exercise. 1. Give the ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro