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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
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What are the two independent mechanisms for controlling interrupt request? At the device end, an interrupt enable bit in a control register verifies whether the device is permi
1. Solve the following grouping problem using the DCA method. 2. Use the ROC methodfor the previous problem. 3. Use the MIP method for the problem above assuming a tota
N number of XNOR gates is linked in series that is the N inputs (A0, A1, A2......) are specified in the subsequently way: A0 and A1 to first XNOR gate and A2 and O/P of First XNOR
how can we design a multiplier by using ASM chart and then design the data controller ?!!
Vector-Vector Instructions In this category, vector operands are fetched from vector register and accumulated in another vector register. These instructions are indicated with
These will be independent of each other and will not affect to each other, and so they can be fed into two different implementations units and run in parallel. The ability to remov
Communication by devices, such as the HC11 processor, is a key and vital part of most systems that are used in military, commercial, and academic settings. In fact, most of these
Functionality under load can be tested by running various Vusers concurrently. By enhancing the amount of Vusers, we can verify how much load the server can sustain.
VuGen gives the facility to use multithreading. This enables more Vusers to be run pergenerator. If the Vuser is run as a process, the similar driver program is loaded into memory
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