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The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communication links for interfacing them with CPU. Objective of communication link is to resolve differences which exist between central computer and every peripheral. The key differences are:
To resolve these differences, computer systems include special hardware component between the CPU and peripherals to supervise and synchronize all input and output transfers. These components are called interface units because they interface between the processor bus and the peripheral device.
Q. Show Two Way Pipelined Timing? Figure below demonstrates a simple pipelining scheme in which F and E stages of two different instructions are performed concurrently. This sc
Q. Illustrate Arithmetic shifts with example? Arithmetic shifts ARITHMETIC SHIFT LEFT and ARITHMETIC SHIFT RIGHT are same as LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHTexcept th
Q. Explain working of DotMatrix or InkJet Printers? Three major issues consider the quality of characters generated by DotMatrix/InkJet Printers: - Number of dots in the matrix
Contraposition : The contraposition equivalence is as follows: So it may seem a small strange at first, this means that it appears which we have said nothing in the f
What is Difference between write back and write through cache? A caching method wherein modifications to data into the cache aren't copied to the cache source till absolutely n
What is double data rate SDRAM? Double data rates SDRAM are those which can transfer data on both edges of the clock and their bandwidth is fundamentally doubled for long burs
Write a program that computes the minimum and maximum of elements in an array in Assembly 8086.
Before we take a detailed look about the Motorola 68HC11 series of micro controllers it is useful to define what is meant by a micro controller. As the name suggests a micro contro
Q. Explain about Threads Model - programming model? In this model a single process can have many as well as concurrent execution paths. The main program is planned to run by na
What is a microinstruction? Each word in control memory having within it a microinstruction. The microinstruction specifies one or more micro-operations for the system. A seq
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