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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.
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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.
Explain the PDCA cycle. PDCA is a four step problem solving method. The following are the description of each step: 1. P - Plan (Devise your Plan). Identify an opportunity a
In the Byteland country a string "s" is said to super ascii string if and only if count of each charecter in the string is equal to its ascci value in the byteland country ascii co
An EFI boot manager is also used to select and load the operating system, removing the require for a dedicated boot loader mechanism
Tightly Coupled System- Shared Memory System Shared memory multiprocessorshas has following description: Every processor commune through a shared global memory. For
Which device consume minimum power ? Ans. Minimum power consume by CMOS as in its one p-MOS and one n-MOS transistors are connected in complimentary mode, so one device is ON a
Discuss password schemes and Biometric systems for implementing client server network security. In cyberspace, buyers & sellers cannot see each other. Also in video con
E-brokerage. An e-brokerage is an investment house that permits you to buy and sell stocks and get investment information from its Web site.
What is an Abstract Data Type (ADT)? Abstract data types or ADTs are a mathematical specification of a set of data and the set of operations that can be done on the data. They
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