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Q. Explain about Two-pass assembler?
Assemblers usually make two or more passes through a source program in order to resolve forward references in a program. A forward reference is expressed as a type of instruction in code segment which is referencing the label of an instruction though the assembler hasn't yet encountered the definition of that instruction.
Pass 1: Assembler reads the whole source program and creates a symbol table of labels and names used in the program that is name of data fields and programs labels and their relative location (offset) within the segment.
Pass 1 concludes the amount of code to be produced for every instruction.
Pass 2:Assembler uses the symbol table which it constructed in Pass 1. Now it knows the relative position and length of every data field and instruction and it can complete object code for every instruction. It generates .OBJ (Object file), .LST (list file) and cross reference (.CRF) files.
Floating point Arithmetic pipelines Floating point computations are the finest candidates for pipelining. Take the instance of addition of two floating point numbers. Following
calculate dy/dx if y=[x-cos(1/cos(xe/2x))]/x
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Q. Define the Refresh Rates and frame rate? A special circuit known as the Video Controller scans video memory one row at a time and reads data value at each address sending th
Now when a site structure is set up for storing pages and assets for Compass site, you'll create the first page-a home page for the site. As you build this page, you will add text,
Q. Explain about Local Area Network? Local Area Network (LAN): It is privately owned communication systems that cover up a small area, say a complex of buildings or school. Le
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Sixth Generation (1990 - ) This generation begun with many gains in parallel computing, both in hardware area and in improved understanding of how to build up algori
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