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Handling Multiple Devices
Interrupt Priority
Controlling device requests
KEN, DEN
Implementation of interrupt priory by using individual interrupt-request and acknowledge lines
Polled interrupts: Priority decided by the order in which processor polls the component (polls their status registers) vectored interrupts: Priority determined by the order in which processor tells component toput its code on the address lines (order of connection in the chain)
(a) Daisy chain
Daisy chaining of INTA: If device has not requested any service, passes the INTA signal to next device if necessitate service, does not pass the INTA, puts its code on the address lines Polled
What is a Demultiplexer ? Ans. Demultiplexer has similar circuit as decoder but here E is obtained as the particular input line, the output lines are similar as decode
what is Throw-way model.
What are the advantages and disadvantages of public key cryptography? Advantages and Disadvantages: Improved security and convenience: private keys never require be trans
Breadth First Search: Given a set of operators o1, ..., on in a breadth first search, every time a new state is reached, an action for each operator on s is added to the bot
What is an I/O buffer? I/O buffer: One type of input-output requirement arises from devices which have a very high character density as disks and tapes. With these chara
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
Create a new project, LastNameFirst 05, for this assignment. You will need to define the classes depicted in the class diagram below. All of the classes should contain complete ja
Accession number (bioinformatics), a unique identifier given to a biological polymer sequence (DNA, protein) when it is given to a sequence database.
The structure of Logical Databases reflects which dependencies of hierarchical tables in the SAP system. Foreign Key dependencies
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