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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 four significant factors that led to the development of open source software? 1. To diminish the high control value of the Proprietary Software 2. To avoid disc
What are the factors determine the control signals? Contents of the control step counter Contents of the instruction register Contents of the condition code flag
The chief reason why digital computers use complemented subtraction is that it ? Ans. By using complemented subtraction method negative numbers can easily be subtracted.
Which one is an error reporting protocol? An error reporting protocol is ICMP.
Input-Output-Processor Interconnection Network (IOPIN) This interconnection network is used for communication between I/O channels and processors. All processors commune with a
Basic elements of Assembly language: Any Assembly language which consists 3 types of instruction statements that are used to define the program operations: Data secti
8086 microprocessor comprises two independent units: 1. Bus Interface unit 2. Execution unit Please refer to Figure below. Figure: The CPU of INTEL 8086 Microp
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How do you ensure that our records are scanned accurately? Not only do we have a highly trained and capable staff, we also have quality controls in place to make sure your reco
Op code mnemonics: Instructions (statements) in assembly language are usually very simple, unlike those that in high-level languages. Usually, an opcode is a symbol
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