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Q. Explain working of Direct Memory Access?
In both programmed I/O and interrupt-driven processor is busy with executing input/output instructions and I/O transfer rate is limited by speed with which processor can test and service a device. What about a scheme that needs minimal intervention of CPU for input/output? These two types of shortcomings can be overcome with a more efficient technique called as DMA that behaves as if it has taken over control from processor. C Consequently the question is: why do we employ DMA interface? It is employed primarily when a large amount of data is to be transferred from I/O device to Memory.
What is SAP LUW or Update Transaction? Update transaction (or "SAP LUW") This is a set of updates terminated by an ABAP/4 commit. A SAP LUW may last much longer than a data
Q. Block Format and Disk Layout on CD-ROM? A typical block format is displayed in Figure (a). It comprises the subsequent fields: Sync: Sync field identifies beginning o
Answering Systems / Database Query There are a large number of opportunities for get faster through parallelizing a Database Management System (DBMS). However, the actual purpo
write algorithm and draw flowchart for exchange the values of two variables.
Multiple Layers of Intranet Security Security requirements vary from organisation to organisation. They also vary on the content that the organisations intend to place on their
Charles Babbage 'The grandfather of modern computer' had designed two computers: The Difference Engine: It was based on mathematical principle of finite differences and was us
Search mechanisms in Prolog: Here we can needs this simple Prolog program to describe how Prolog searches as:president(X) :- first_name(X, georgedubya), second_name(X, bush).
What are the types of smart cards utilized in e-commerce? Usually, there are two types of smart cards as: Memory smart cards, that can be viewed by minuscule removable read
An amplifier has an input resistance of 600 ohms and a resistive load of 75 ohms. When it has an rms input voltage of 100 mV, the rms output current is 20mA. Find the gain in dB.
Consider that a list of record or a table is stored in the memory and you wish to find some information in that particular list. E.g. the list comprises three fields as displayed b
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