What is meant by embedded Linux?
Last Answer : Linux is the operating system if we use this operating system in embedded system devices then it is known as embedded Linux. Linux is open source and free.
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Dec 16, 2017
by
anonymous

List and explain the various functions supported by Linux/RTLinux.
Last Answer : Various functions of RTLinux is as follows: Interrupt handling functions
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Jan 19, 2018
by
anonymous

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
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Mar 28, 2018
by
anonymous

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.
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Jan 24, 2018
by
anonymous

Last Answer : Liquid Crystal Display:-An LCD is a low-cost, low power device capable of displaying text and images. LCD's are extremely common in embedded systems since such system often does not have video monitors ... toggles the enables bit and acts as a delay so that the command can be processed and executed.
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Jan 24, 2018
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anonymous
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Last Answer : The main characteristics of an embedded system are:1. Single functioned2. Tightly constrained3. Reactive and real time1. Single functioned:An embedded system usually executes a specific program repeatedly.Ex. Pager ... computer user. But it doesn't result in a system failure.Ex. Digital camera chip
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348 views
1 answer
asked
Jan 23, 2018
by
anonymous

Define embedded system.
Last Answer : An embedded system is nearly any computing system other than a desktop computer. Embedded systems are hard to define because they cover such a broad range of electronic devices. It has three main components: 1. Hardware 2. Main application software 3. Real time operating system
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Jan 23, 2018
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anonymous

Last Answer : Linux Kernel Architecture
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Jan 20, 2018
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anonymous

What are the advantages of using Linux?
Last Answer : Advantages of Linux are as follows :Linux is open source and free.Linux Is multiuser and multitasking operating system.Linux is the stable operating system.Linux is reliable.Linux can be modify according to requirements.Linux is the secure operating system.
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Dec 16, 2017
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anonymous

Linux Kernel Architecture
Last Answer : Linux Kernel Architecture: The kernel is a layer between Linux OS and hardware. When Linux is running in main memory it is divided into two parts one is user space and second is kernel space. 1.User Space 2.Kernel Space
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2 answers
asked
Aug 25, 2017
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anonymous

In relation to embedded Linux how TCP/IP networking is done? Explain network configuration.
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Mar 19, 2018
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anonymous
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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.
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Mar 21, 2018
by
anonymous

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.
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Mar 14, 2018
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anonymous

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.
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103 views
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Jan 18, 2018
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anonymous

Last Answer : A design metric is a measure of a implementations features such as cost, size, performance and power.Commonly used design metrics are:1.NRE cost:NRE stands for non recurring engineering cost. ... to check that manufacturing was correct.11.Safety:The probability that the system will not cause harm.
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asked
Jan 23, 2018
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anonymous

Sketch internal design of 4x3 ROM.
Last Answer : The internal design of 4x3 ROM
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778 views
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Mar 28, 2018
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anonymous

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.
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244 views
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asked
Mar 21, 2018
by
anonymous

Differentiate general purpose processor, single purpose processor and ASIC with respect to design matrix, with suitable example.
Last Answer : General purpose processorGeneral purpose processor is a Programmable device.General purpose processor used in microprocessor.General purpose processor have general data path with large register ... Examples of application specific processor are embedded microcontroller, network processor and DSP.
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Jan 17, 2018
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anonymous

Explain the need to consider following factors in design matrix of embedded system: (i) Processor (ii) Memory (iii) Power (iv) Non- recurring engineering cost.
Last Answer : 1. Processor: Selection of processor depends upon amount of processing power and the register width required. Powerful 8bit, 16 bit, 32 bit & 64bit processors are available. The clock speed ... system is designed any number of units can be manufactured without incurring any additional design cost.
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1 answer
asked
Jun 20, 2020
by
anonymous

Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated ... may be indicated for situations where complete clot evacuation cannot be accomplished surgically
Last Answer : Answer: a, b, e The most popular method for intraarterial thrombolytic therapy for arterial occlusion involves passing a guidewire through the thrombus with arteriographic guidance and ... acute arterial occlusion) or when distal vasculative is occluded and precludes appropriate inflow patency
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. One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.
Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
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What are the essential tight constraint/s related to the design metrics of an embedded system? A. Ability to fit on a single chip B. Low power consumption C. Fast data processing for real-time operations D .All of the above
Last Answer : D .All of the above
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1 answer
asked
Jul 28, 2021
by
anonymous

What are the essential tight constraint/s related to the design metrics of an embedded system? A. Ability to fit on a single chip B. Low power consumption C. Fast data processing for real-time operations D .All of the above
Last Answer : D .All of the above
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582 views
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asked
Apr 4, 2021
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anonymous

________ offers various Linux distributions upon which you can build a virtual machine. a) Bagvapp b) Jcinacio c) HelpdeskLive d) All of the mentioned
Last Answer : Jcinacio
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________ offers various Linux distributions upon which you can build a virtual machine. a) Bagvapp b) Jcinacio c) HelpdeskLive d) All of the mention
Last Answer : Jcinacio
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1 answer

________ offers various Linux distributions upon which you can build a virtual machine. a) Bagvapp b) Jcinacio c) HelpdeskLive d) All of the mentioned
Last Answer : Jcinacio
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Apr 1, 2018
by
anonymous

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.
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78 views
1 answer
asked
Mar 28, 2018
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anonymous

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.
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Mar 26, 2018
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anonymous

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.
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100 views
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Mar 26, 2018
by
anonymous

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.
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186 views
1 answer
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Mar 26, 2018
by
anonymous

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.
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Mar 24, 2018
by
anonymous

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.
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140 views
1 answer
asked
Mar 18, 2018
by
anonymous

Explain arbitration. What is priority arbitrator?
Last 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 ... Peripherals make requests to arbiter and arbiter makes requests to the resource.
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101 views
1 answer
asked
Mar 17, 2018
by
anonymous

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.
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1 answer
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Mar 17, 2018
by
anonymous

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.
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1 answer
asked
Mar 3, 2018
by
anonymous

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.
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305 views
2 answers
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Jan 24, 2018
by
anonymous
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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.
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1 answer
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Jan 24, 2018
by
anonymous
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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.
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Jan 22, 2018
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anonymous
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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.
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Jan 22, 2018
by
anonymous
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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.
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344 views
1 answer
asked
Jan 22, 2018
by
anonymous

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.
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Jan 20, 2018
by
anonymous
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What is a hard real time system?
Last Answer : If the real-time systems have minimum interrupt latency and task deadline with prescribe time limits then it is known as hard real-time systems. If these two requirements meet in real time systems but not always then it is known as soft real-time systems.
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125 views
1 answer
asked
Dec 16, 2017
by
anonymous

How useful is the "spaces" feature on a Mac?
Last Answer : It’s like having multiple monitors, with out the monitors. I use it every single day, I can’t remember life before virtual desktops. I have mine set up to a hot corner, so it is just second nature to flick my mouse up there to switch spaces. I suggest you give it a chance, with hot corners enabled.
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1 answer
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Feb 27
by
anonymous

Would a "bump" feature be useful to fluther users?
Last Answer : I COMPLETELY AGREE!!!!!!! I feel like my questions get ignored if I ask them while not many people are logged on and other people ask questions, pushing me to the bottom with a lot less than a fair chance.
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1 answer
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Feb 27
by
anonymous

Kirti wants to add sound to slide transition. Which feature of Animations tab is useful for this purpose? -Technology
Last Answer : On the Animations tab in the Transition to This Slide group, click the arrow next to ‘Transition Sound’ to add sound to slide transition.
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1 answer
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Feb 2
by
anonymous

Which of the following is NOT a useful vehicle feature from a security perspective (Antiterrorism Scenario Training, Page 4?
Last Answer : Wi-Fi Capable
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Which of the following statements is false? A. Market segmentation is a useful process for small businesses to undertake. B. Selling is essentially a matching process. C. A benefit is the value of a product feature to a customer. D. It is a good idea for small businesses to compete solely on price.
Last Answer : D. It is a good idea for small businesses to compete solely on price.
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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
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320 views
1 answer
asked
May 17, 2018
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anonymous

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Apr 1, 2018
by
anonymous
