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Q. Define Point-to-point Communication?
The simplest form of message is a point to point communication. A message is sent from the transmitting processor to a receiving processor. Message passing in point-to-point communication can be in any 2 modes: asynchronous and synchronous. In synchronous transfer mode the next message is sent just after the acknowledgement of delivery of the last message. In this mode sequence of messages is managed. In asynchronous transfer mode no acknowledgement for delivery is needed.
The concept of Mouse was designed by Douglas C. Engelbart of Stanford Research institute and first Mouse was designed by Xerox corporation. Mouse itself is a device that gives you
Explain the working of light pens Light pens still exist, but due to several disadvantages they are not as popular as other input devices that have been developed. For example,
Which work process triggers database changes? Update work process
Subtract -27 from 68 using 2's complements. Ans. By using 2's complement 68-(-27)= 68-(-27) 2's complement representation of 68 = 01000100(64+4) 2's complement representatio
Q. Describe Message Passing Model? In message-passing model there be a set of tasks which employ their own local memories at the time of computation. Many tasks may inhabit on
What is semaphores? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wa
Software Engineering is a layered technology. Explain
Problem: A company requires a software application to calculate the weekly payment for its employees. The information about the employees (employees' data) is kept in a file.
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Explain Erasable Programmable ROM (EPROM) - Computer Memory? An EPROM is a ROM that can be reprogrammed and erased. A little glass window is installed at the top of the ROM pac
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