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Q. What do you mean by Software Poll?
In this scheme on occurrence of an interrupt, processor jumps to an interrupt service program or routine whose job is to poll (roll call) every I/O interface to determine which I/O interface has caused interrupt. This may be achieved by reading status register of the I/O interface. Once correct interface is recognized processor branches to a device-service routine specific to device. The shortcoming of software poll is that it's time consuming.
Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl
Q. What is Keyboard Layout? A keyboard layout is arrangement of keys across the keyboard. There is one keyboard layout which anybody who has worked on a standard keyboard or ty
Illustrate the elements of Information Super Highway Infrastructure. The Information Superhighway is more than the Internet. This is a series of elements, including the collect
Multi-Layer Network Architectures: As we considered we saw in the previous lecture that perceptrons have limited scope in the type of concepts that they can learn - but they c
Explain Wait for graph (WFG) with Resource request and allocation graph (RRAG). WFG with RRAG: A graph G = (V,E) is termed as bipartite if V can be decomposed in two
A number of 256 x 8 bit memory chips are available. To design a memory organization of 2 K x 8 memory. Identify the requirements of 256 x 8 memory chips and explain the details.
What is XML DTD (Document Type Definition)? DTD is a document which defines legal building blocks of a particular XML document. This defines the document structure along with
Q. What is task identifier? Each and every PVM task is uniquely recognized by an integer known as task identifier (TID) assigned by local pvmd. Messages are received from and s
Your company is planning a party for employees, and you have been asked to set up a spreadsheet to track the attendees and to measure the associated cost. Every employee is permitt
Discuss in detail about Micro computer A microcomputer's CPU is a microprocessor. The microcomputer was originated in late 1970s. The first microcomputer was built around 8-bit
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