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Q. What is External Procedures?
These procedures are written as well as assembled in separate assembly modules and afterwards linked together with the main program to form a bigger module. Since the addresses of variables are defined in another module we need segment combination and global identifier directives.
#all type of memory
a. Design a fast adder. What are the variations in a fast adder? b. Define how the virtual address is changed into real address in a paged virtual memory system. Give an example
Explain briefly any three of the commonly used code optimization techniques. 1. Common sub expression elimination: In given expression as "(a+b)-(a+b)/4", in such "common
Q. Explain about Interrupt-Processing Sequence? The occurrence of an interrupt fires a numbers of events both in processor hardware and software. Figure below displays a sequen
In floating point numbers when so you say that an overflow or underflow has occurred? Ans: A) In single precision numbers when an exponent is less than +127 then we say that
What is Function scope Function scope: A label is the only part of identifier that has function scope. A label is declared implicitly by its use in a statement. Label names m
Commutativity of Connectives : In this you will be aware of the fact that some arithmetic operators that have a property which it doesn't matter that way around you give the o
What is a parallel port? A parallel port transfers data in the form a number of bits, typically 8 to 16, concurrently to or from the device.
Q. Average data transfer rate in floppy? A floppy is about 0.64 mm thick and is available in diameters 5.25 inch and 3.5 inch. Data are arranged in form of tracks and sectors.
Explain the different page replacement policies. Various page replacement algorithms are briefly explained below: 1. First-in, first-out FIFO page replacement algorith
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