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What is a co-processor? What is its use in a typical microprocessor based system.
8087 NDP (numerical data processor) is also called math co-processor which is used in parallel with main processor for number crunching applications which would otherwise require complex programming. And it's faster than 8086/8088 processor in performing mathematical computation. It has its own specialized instruction sets to handle mathematical programs.
It is a processor which works in parallel with the main processor. It has its own set of specialized instructions. Number crunching part of the program is executed by 8087. Instruction for 8087 are written in main program interspersed with 8086 instructions. All 8087 instruction codes have 11011 as the most significant bits of their first code byte.
How many select lines will a 16 to 1 multiplexer will have ? Ans. For 16 to 1 MUX four select lines will be needed to select 16 (2 4 ) inputs.
Differentiate between protected and real modes of an Intel microprocessor Operation of Real mode interrupt: When microprocessor completes executing the current instruction, it
What is response ratio? HRRN that is Highest Response Ratio Next scheduling is a non-preemptive discipline, as same to Shortest Job First (SJF) wherein the priority of all jobs
Question: Read the following case study and answer the questions based on it. The local airline company needs to develop a system for controlling air traffic at the airport
structured programming
Whenever we compile with -g option, it will make a symbol table, and according that table for every function and line it will call ptrace.
wait for graph
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results
What is index register? In index mode the effective address of the operand is formed by adding a constant value to the contents of a register. The register used might be either
Define micro routine and microinstruction. A sequence of control words corresponding to the control sequence of a machine instruction represents the micro routine for that ins
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