Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Define the ADDRESSING MODES?
The elementary set of operands in 8086 can reside in memory, register and immediate operand. How can these operands be retrievedby various addressing modes? The answer to the question above is provided in the subsequent sub-section. Large number of addressing modes assists in addressing complex data structures with ease. A number of specific Terms and registers roles for addressing:
Base register (BX, BP): These registers are employed for pointing to base of a stack, array etc.
Index register (SI, DI): These registers are employed as index registers in data and/or extra segments.
Displacement: It signifies offset from the segment address.
Addressing modes of 8086
Mode
Description
Direct
Effective address is the displacement of memory variable.
Register Indirect
Effective address is the contents of a register.
[BX]
[SI]
[DI]
[BP]
Based
Effective address is the sum of a base register and a displacement.
LIST[BX]
(OFFSET LIST + BX)
[BP + 1]
Indexed
Effective address is the sumof an index register and a displacement.
LIST[SI]
[LIST +DI]
[DI + 2]
Based Indexed
Effective address is the sum of a base and an index register.
[BP + DI]
Based Indexed with
displacement
Effective address is the sum of a base register, an index register, and a displacement.
[BX + SI + 2]
Explain crossbar exchange, with all call processing steps and diagrams. The fundamental idea of crossbar switching is to give a matrix of n x m sets of contacts with only n + m
Illustrate the Logical view of a system The Logical view of a system serves to describe existence and meaning of key abstractions and mechanism which form problem space, or wh
Define Random scan/Raster scan displays? Random scan is a method in which the display is made by the electronic beam which is directed only to the points or part of the screen
Hashing collision resolution techniques are a) Chaining, b) Bucket addressing
Described auto increment mode of addressing? Ans: Effective address of the operand is the contents of a register mention in the instruction. After finishing the accessing t
Explain MDR and MAR. The data and address lines of the external memory bus linked to the internal processor bus by the memory data register, MDR and the memory address register
What is electronic cash? E-cash is cash which is shown by two models. One is the on-line form of e-cash which permits for the completion of all types of internet transactions.
How to fetch random ID from table by SQL query Select * from Table_Name order by NewID()
Performance of Pipelines with Stalls: A stall is reason of the pipeline performance to degrade the ideal performance. Average in
a. Define the meaning of "Document & Finger print" and "Message & Message Digest". What's the difference among the 2 pairs? b. Describe Davies Meyer scheme with diagram. c. W
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd