Explain arbitration. What is priority arbitrator?

105 views

Explain arbitration. What is priority arbitrator?

by

1 Answer

Answer :

Arbitration:

IF multiple peripherals are connected to microprocessor or DMA controller or any resource and they request services simultaneously so which peripheral will get serviced first this is termed as arbitration.


Priority Arbiter:

Priority arbiter is the arbitration method which uses single purpose processor. Priority arbiter uses two common schemes one is fixed priority and second is rotating or round-robin priority arbitration. Peripherals make requests to arbiter and arbiter makes requests to the resource.

image

Like 0 like
by
edited

Please log in or register to answer this question.

Related questions

596 views
Daisy Chain Arbitration

Description : Daisy Chain Arbitration

Last Answer : Daisy chain arbitration: Multiple devices are connected to the bus.So, The process of arbitrating between requests for bus control is called bus arbitration. Arbitration schemes must be fast. ... cascade then propagation delay increases this is the one disadvantage of this arbitration.

2 answers
16 views
Which Interrupt Has The Highest Priority?

Description : Which Interrupt Has The Highest Priority?

Last Answer : Answer :TRAP has the highest priority.

1 answer
6 views
Which one of the following is not included in expression court under Indian Evidence Act a) All Judges b) All Magistrates c) All persons legally authorized to take evidence d) Arbitrator

Description : Which one of the following is not included in expression court under Indian  Evidence Act a) All Judges b) All Magistrates c) All persons legally authorized to take evidence d) Arbitrator

Last Answer : d) Arbitrator

1 answer
3 views
Indian Evidence Act applies to (a) Proceedings before tribunals (b) Proceedings before the arbitrator (c) Judicial proceedings in courts (d) All the above.

Description : Indian Evidence Act applies to (a) Proceedings before tribunals (b) Proceedings before the arbitrator (c) Judicial proceedings in courts (d) All the above.

Last Answer : (c) Judicial proceedings in courts

1 answer
3 views
When a government servant working as an arbitrator in a dispute between Ministry/department other than the one in which he is working can receive --------------- a. Honorarium b. Special Allowance c. None of these

Description : When a government servant working as an arbitrator in a dispute between Ministry/department other than the one in which he is working can receive --------------- a. Honorarium b. Special Allowance c. None of these

Last Answer : a. Honorarium

1 answer
8 views
When a government servant working as an arbitrator in a dispute between his department and private party he -------- granted honorarium a. should not be b. Should be

Description : When a government servant working as an arbitrator in a dispute between his department and private party he -------- granted honorarium a. should not be b. Should be

Last Answer : a. should not be

1 answer
0 views
What is meant by Arbitration? What is the procedure followed for administering justice by this mechanism? Distinguish between foreign arbitration and International commercial arbitration.

Description : What is meant by Arbitration? What is the procedure followed for administering justice by this mechanism? Distinguish between foreign arbitration and International commercial arbitration.

0 answers
1 view
If my employer proposes arbitration (vs judical system) should I 'opt out'?

Description : If my employer proposes arbitration (vs judical system) should I 'opt out'?

Last Answer : I am, by no means, a legal expert. But, what’s the upside of giving up your right to use the judicial system?

1 answer
0 views
Briefly, the difference between arbitration and mediation?

Description : Briefly, the difference between arbitration and mediation?

Last Answer : Most fundamentally, mediation means trying to find a middle ground between the two parties in dispute. In arbitration, generally both sides present their arguments, and one side wins, the other loses, straight up.

1 answer
0 views
Anyone experienced succssful arbitration from a collection agency?

Description : Anyone experienced succssful arbitration from a collection agency?

Last Answer : The arbitrator will be owned by the collection agency. Statistics say you don’t stand a chance.

1 answer
3 views
Who introduced the debt arbitration law in Bengal ?

Last Answer : Introduces Debt Arbitration Act in Bengal - A , K Fazlul Haque.

1 answer
3 views
What city is the site of the international courts of arbitration and justice?

Description : What city is the site of the international courts of arbitration and justice?

Last Answer : The Hague, Netherlands

1 answer
3 views
Arbitration or Mediation Agreement?

Description : Arbitration or Mediation Agreement?

Last Answer : Arbitration or Mediation Agreement(Download)This is an Arbitration Agreement between the two parties named below.WHEREAS:(A) The parties are involved in a dispute;(B) The parties wish to refer the dispute ... 2. The Arbitration shall be governed by the following rules:(a) the Dispute shall be heard

1 answer
2 views
Arbitration Offers Court-Free Dispute Resolution?

Description : Arbitration Offers Court-Free Dispute Resolution?

Last Answer : Arbitration is a process that aims to resolve a dispute between at least two parties without assistance from the court system. Some binding agreements stipulate that disputes automatically be settled through ... be the first step in solving a resolution. The Federal Arbitration Act of the 1920s a

1 answer
3 views
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? A) Bus control B) Interrupts C) Bus arbitration D) Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? A) Bus control B) Interrupts C) Bus arbitration D) Status

Last Answer : Answer : C

1 answer
7 views
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Last Answer : c. Bus arbitration

1 answer
8 views
What is meant by Bus arbitration?

Description : What is meant by Bus arbitration?

Last Answer : It is a way of sharing the computer’s data transferring channels in an optimal way so that faster devices won’t have to wait to be able to transfer and the slower devices will have a chance to transfer as well

1 answer
5 views
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Last Answer : c. Bus arbitration

1 answer
80 views
Explain placement, routing, and sizing.

Description : Explain placement, routing, and sizing.

Last Answer : Placement: The task of placing and orienting every transistor somewhere on IC. Routing: The task of running wires between the transistors without inserting other wires or transistors. ... wires and transistor provide better performance but consume more power and require more silicon area.

1 answer
122 views
Explain different models that are used to describe embedded system.

Last Answer : Common computation models: Sequential program model Statements, rules for composing statements, semantics for executing them Communicating process model ... Object-oriented model For breaking complex software into simpler, well-defined pieces

1 answer
174 views
Explain the advantages and disadvantages of using memory I/O and standard I/O.

Description : Explain the advantages and disadvantages of using memory I/O and standard I/O.

Last Answer : Memory mapped I/O and standard I/O are the two methods for communicating microprocessor with peripherals. Processor talks to both memory and peripheral using the same bus.Two ways to talk to a peripheral. ... of standard I/O is no loss of memory addresses to the use as I/O addresses.

1 answer
101 views
Explain parallel and wireless protocols.

Description : Explain parallel and wireless protocols.

Last Answer : Parallel protocols: PCI bus (Peripheral Components Interconnect): PCI stands for Peripheral Components Interconnect. PCI bus is used as a communication line to transmit signals and data ... provide the basis for wireless network products using the Wi-Fi brand.

1 answer
201 views
Explain memory hierarchy.

Description : Explain memory hierarchy.

Last Answer : Memory hierarchy: Main memory is large, inexpensive, slow memory stores entire program and data. Cache memory is small, expensive, fast memory stores copy of likely accessed parts of large ... In memory hierarchy the smaller memory is faster and larger memory storage is slower.

1 answer
3.6k views
Explain memory write ability and storage permanence with suitable diagram.

Description : Explain memory write ability and storage permanence with suitable diagram.

Last Answer : Write ability and storage permanence of memories: Write ability is the manner and speed at which memory can be written. Storage permanence is the ability of memory to hold stored bits ... Holds bits after power is no longer supplied. High end and middle range of storage permanence.

1 answer
427 views
Explain the various steps involved in designing a custom single-purpose processor.

Description : Explain the various steps involved in designing a custom single-purpose processor.

Last Answer : A single purpose processor is a digital circuit designed to execute exactly one program. It is also known as co-processor, accelerator or peripheral. It contains only ... for small quantities. Performance may not match general-purpose processors for same applications.

1 answer
141 views
Explain Inter-process Communication (IPC) using mailbox/queue.

Description : Explain Inter-process Communication (IPC) using mailbox/queue.

Last Answer : Inter-process communication using mailbox: Mailbox is the Interprocess communication mechanism. A process puts a data message for another process in the mailbox. Mailbox is also called as message exchange. ... a message. In mailbox IPC the sender need not to know the name of the receiver.

1 answer
131 views
Explain FSM and concurrent process with example.

Description : Explain FSM and concurrent process with example.

Last Answer : Finite State Machine (FSM): Finite state machine is a machine which have a transition from state to state. The system have some number of states and at a time the system can ... Y seconds. In sequential execution, the processor executes single task which causes poor processor utilization.

1 answer
173 views
What is design technology? Explain top down design process.

Description : What is design technology? Explain top down design process.

Last Answer : Design technology: Design technology is the manner in which we convert our concept desired system into an implementation. The three main design technologies are 1. Compilation/Synthesis ... general purpose processors and A Gate-level Netlist for special-purpose processors.

1 answer
187 views
Explain data transfer mechanism in I2C protocol.

Description : Explain data transfer mechanism in I2C protocol. Compare it with CAN and USB protocol based on bit rate and area of applications.

Last Answer : I2C (Inter-Integrated Circuit): I2C stands for Inter-Integrated Circuit. I2C is a serial protocol. It was developed by Philips Semiconductor. I2C bus have two communication lines. One is serial data ( ... Mbps this is used for lower speed devices. Using USB we can connect upto 127 devices.

1 answer
308 views
Explain Keypad controller.

Description : Explain Keypad controller.

Last Answer : Keypad Controller: It's a device which interfaces between the computer and keyboard. That is a input device and used for transfer the data to connected device.

2 answers
170 views
Explain how UART is used for communication highlighting the advantages of UART.

Last Answer : UART takes parallel data and transmits serially and UART receives serial data and converts to parallel.A simple UART may possess1.Some configuration registers and2.Two independently operating processors, one ... must write data to the transmit register and/or read data from the received register.

1 answer
407 views
Explain the concept of semaphore. How does this help us in solving the shared data problem in embedded system?

Last Answer : A semaphore is called binary semaphore when its value is 0, it is assumed that it has been taken (or accepted) & when its value is 1, it is assumed that it has been released & no ... that are not themselves reentrant.3. A reentrant function may does not use the hardware in a nonatomic way.

1 answer
3.4k views
What is watchdog timer ? Explain the implementation of time out for ATM with block diagram and program.

Description : What is watchdog timer ? Explain the implementation of time out for ATM with block diagram and program.

Last Answer : A special type of timer is a watchdog timer, which will reset the system after a predefined timeout. Watchdog timer reset timer every X time unit, else timer generates a signal ... be loaded into timereg. This is to prevent erroneous software from unintentionally resetting the watchdog timer.

1 answer
669 views
Explain Shared memory, Mutex, Message passing and Dead lock.

Last Answer : Shared memory :For sharing of data faster and communication between programs, we use shared memory. Shared memory can be used with multiprocessors and single processors. Means Program ... No resource preemption4. Circular waitIf the four conditions occur simultaneously then the deadlock occurs.

1 answer
351 views
Explain the role of scheduler in RTOS. Compare pre-emptive and non-preemptive scheduling techniques.

Last Answer : The scheduler is very important in Real-Time Operating System (RTOS). Selection of tasks for execution is provided by the scheduler. Which task to execute when it is provided by the ... . Non-preemptive scheduling is simple.Preemptive scheduling is flexible while non-preemptive scheduling is rigid.

1 answer
90 views
Explain Host/target linked setup.

Last Answer : There are three different host/target architecture for embedded Linux.Linked setupRemovable storage setupStandalone setup1. Linked setup :In this host/target architecture, the host and ... cross-platform development environment.The target contains bootloader, kernel, and root filesystem.

1 answer
114 views
List and explain the various functions supported by Linux/RTLinux.

Description : List and explain the various functions supported by Linux/RTLinux.

Last Answer : Various functions of RTLinux is as follows: Interrupt handling functions

1 answer
138 views
Explain the various feature of Linux that are useful for embedded system design.

Last Answer : Various features of Linux that are used in embedded systems are as follows : Linux is multiuser operating system. Linux is open source and free. Linux can be ... Linux supports handling of errors. Real-time Linux supports the group scheduling functions.

1 answer
104 views
Explain the following design matrix with suitable example.

Description : a) Time to market b) The performance

Last Answer : a) Time to market :Time to market is the time from development of an embedded system to sell it to customers is called time to market. For more profit, the time to market should be ... losses due to delayed entry.b) Performance :Latency and throughput are the two main measures of performance.

1 answer
329 views
Normally, the FPGA resources are used less than 70% because:

Description : Normally, the FPGA resources are used less than 70% because:  a. Routing becomes excessively complicated b. Power issues c. Clock frequency d. Simulation time increases

Last Answer : Normally, the FPGA resources are used less than 70% because: Routing becomes excessively complicated

1 answer
112 views
List and describe three general approaches to improve designer productivity.

Description : List and describe three general approaches to improve designer productivity.

Last Answer : Automation: The task of using a computer program to replace manual design effort. The program replaces manual design effort. Synthesis. Reuse: The ... correctness/completeness of each design step. Hardware/software co-simulation.

1 answer
593 views
A single FSM can be converted to two smaller FSM. Justify.

Description : A single FSM can be converted to two smaller FSM. Justify.

0 answers
787 views
Sketch internal design of 4x3 ROM.

Description : Sketch internal design of 4x3 ROM.

Last Answer : The internal design of 4x3 ROM

1 answer
264 views
Describe different RT level computational and sequential components used to design single function processors.

Description : Describe different RT level computational and sequential components used to design single function processors.

Last Answer : RT-level combinational components:- To reduce the complexity in digital logic, combinational components are used, which are more powerful than logic gates.  Such combinational ... during a clock edge. An asynchronous inputs value effects the circuit independent of the clock.

1 answer
215 views
Build using minimum number of CMOS gates.

Description : Build using minimum number of CMOS gates. Three input NAND gate. Two input NOR gate Three input NOR gate Two input AND gate Two input OR gate

Last Answer : Three input NAND gate. Two input NOR gate Three input NOR gate Two input AND gate Two input OR gate

1 answer
62 views
If Moor's law continues to hold, predict the approximation number of transistor per leading edge IC in the year.

Description : If Moor's law continues to hold, predict the approximation number of transistor per leading edge IC in the year. 1.2030 2.2050

Last Answer : If Moor's law continues to hold, predict the approximation number of transistor per leading edge IC in the year.1.20302.2050

1 answer
101 views
Compare the annual growth rate of 1.IC capacity and 2.Designer productivity.

Description : Compare the annual growth rate of  1.IC capacity 2.Designer productivity.

Last Answer : Compare the annual growth rate of 1.IC capacity2.Designer productivity.

1 answer
...