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Q. Explain Keyboard Input and Video output ?
A Keystroke read from keyboard is termed as a console input and a character displayed on the video screen is known as a console output. In assembly language reading and displaying character is most tiresome to program. Though these tasks were greatly simplified by convenient architecture of 8086/8088. Thatarchitecture offers for a pack of software interrupt vectors starting at address 0000:0000.
The benefits of this type of call is that it appears static to a programmer however flexible to a system design engineer. For illustration INT 00H is a special system level vector which points to the 'recovery from division by zero' subroutine. If new designer come and want to move interrupt location in memory it adjusts entry in the IVT vector of interrupt 00H to a new location. So from the system programmer point of view it's relatively easy to change vectors under program control.
What are the different ways synchronize between two clock domains? The following section describes clock domain interfacing one of the biggest challenges of system-on-chip (SOC
Define Micro operation. The operations implemented on data stored in the registers are called Micro operation. A microperation is an elementary operation performed on the infor
Q. Explain Relative Addressing Scheme? In this addressing technique the register R is the program counter (PC) which contains the address of current instruction being executed.
Q. Sequence of micro -operations to perform a specific function? A digital system executes a sequence of micro-operations on data stored in registers or memory. Specific sequen
OBJECT MODELING NOTATIONS: BASIC Concepts A system is the collection of subsystems which organised to accomplish a purpose and described by a set of models from variou
Question 1 Discuss the working principle of an interrupt and hardware actions in interrupt handling 2 Discuss the important characteristics of 8237 3 Describe the format
Analysis and design form the basis on any significant software artifact. Analysis is critical in terms of making sure that the final artifact actually meets user requirements (ie b
Address 192.5.48.3 belongs to? Address 192.5.48.3 belongs to class C.
How does one arrive at the probability of availability of free lines during the busy hour? One can arrive at the possibility of free lines throughout busy hour using the delay
In a national transmission system, the characteristic impedances of the 4-wire circuit and the 2-wire circuit are 1200 ? and 1000 ? respectively. The average phase velocity of the
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