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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
Explain the different types of buses with neat diagram. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines known as bu
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Write a function "plot2fnhand" that will receive 2 function handles as input arguments, and will show in two Figure Windows plots of these functions, with the function names in the
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Q. Convert the following BINARY numbers into OCTAL, double check by converting the result OCTAL to BINARY. a) 111.111 b) 10110111 c) 0.11111
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Put an "X" next to any of the following that are RISC CPU characteristics that show diffrence between RISC from CISC a) has limited addressing modes b) used in Motorola 6000 pro
(i) Input a single ASCII character into BL register without echo on screen CODE SEGMENT MOV AH, 08H; Function 08H INT 21H ; the character inpu
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