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Electronics Engineering
Electronics Engineering is a branch of engineering that deals with practical applications of electronic components, devices, systems, or equipment. Electronics are devices that operate on low voltage sources, as in electron tubes, transistors, integrated circuits, and printed circuit boards and use electricity as part of its driving force.
24,372 Questions
How is parallel processing achieved using pipelining?
A very limited form of parallelism is achieved by using pipelining in that several instructions (up to the limit of the depth of the pipeline) are being processed (each at a different stage of instruction processing) at the same time. An example of this using a 6 stage pipeline is as follows:
- instruction completion (this is the oldest instruction stage)
- data storage to memory
- instruction execution & perform input/output
- data read from memory
- memory address resolution
- instruction fetch from memory (this is the newest instruction stage)
The main advantage of pipelining is that under normal conditions none of the instruction processing hardware becomes idle. The main disadvantage of pipelining is that unscheduled events (e.g. interrupts, branch mispredictions, arithmetic exceptions) cause pipeline content flushes and having to spend time reloading the now empty pipeline to resume correct processing.
Some computers designed with pipelines having an unusually high number of stages had their performance so degraded by that disadvantage that real world benchmarks showed their performance to be only slightly better than the traditional nonpipelined computers, even though their estimated performance was originally much higher. RISC specified that the number of stages in the pipeline should be kept to a minimum to reduce this problem.
What is the importance of frequency transformation in filter design?
Importance of frequency transformation in filter design are the steerable filters, synthesized as a linear combination of a set of basis filters. The frequency transformation technique is a classical.
What will happen to the Earth after ten years of pollution?
12/12/2012 pollution will reach a kind of peak stage that inadvertently effects mankind in a severely harmful way. More then half of the human race will die.
The answer choices weren't provided. To use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field you must point your forefinger in the direction of the lines of force.
What are the skills that you need to acquire for you to be successful in this organization?
in present scinario if u want to be stable in any organization , you need to analyze ur skills and compare with organizational requirments . u must be jack of all trades.
What does it mean to say that current and voltage in a circuit are directly related?
It means that when one increases, the other increases as well. Also, it implies that this increase is proportional - if the voltage is doubled, the current will also double.
Note 1: Normally, the voltage is considered the independent quantity; that's the quantity you can control directly. And if the voltage changes, so will the current.
Note 2: In simple circuits, such as those that only have a voltage source and resistors, the relation will be a direct proportion. With electronic components, such as a transistor, the relationships can be more complicated.
What will increase when you increase pitch angle rotor blades?
A: The pitch angle is a speed factor and also a torque factor. Increasing or decreasing the angle will effect these factors inversely
How would you explain phase shift oscilater?
A phase-shift oscillator is a linear electronic oscillator circuit that produces a sine wave output.
Pulse-Amplitude Modulation
What is the delay of 4 bit ripple carry adder?
That depends on the technology (e.g. TTL, CMOS, ECL) used in the adder. Look on the data sheet tables for the exact device you are using. There will be several different delays listed, depending on which inputs and outputs are involved. Also minimum and/or maximum delays may be given instead of typical.
What precautions should be taken when measuring high ohmic value resistors?
When measuring high ohmic value resistors, it's important to use a high-impedance ohmmeter to avoid loading the circuit, which can lead to inaccurate readings. Ensure that the resistor is disconnected from any circuit to prevent parallel paths that could affect the measurement. Additionally, consider the effects of temperature and humidity, as they can influence resistance readings, and allow the resistor to stabilize to room conditions before measurement. Lastly, handle the resistor carefully to avoid contamination or damage that could alter its resistance.
What is the purpose of the diode inside the relay?
If it is a light emitting diode it is there to let you know that the relay is energized.
In my experience, when a DC current is removed from a coil, the polarity of the magnetic field reverses and if it weren't for the diode, the relay would "chatter".
The diode polarity is oppsite of the actuating voltage.
How long can the maximum ampere rating on a generator be exceeded?
Sometimes only seconds, it depends on the way the manufacturer rated the "maximum" capacity. In general, electrical equipment should be operated at no more than 1/2 of a maximum capacity.
The adders discussed in the previous section have been limited to adding single-digit binary numbers and carries. The largest sum that can be obtained using a full adder is 112. Parallel adders let us add multiple-digit numbers. If we place full adders in parallel, we can add two- or four-digit numbers or any other size desired. Figure 3-9 uses STANDARD SYMBOLS to show a parallel adder capable of adding two, two-digit binary numbers. In previous discussions we have depicted circuits with individual logic gates shown. Standard symbols (blocks) allow us to analyze circuits with inputs and outputs only. One standard symbol may actually contain many and various types of gates and circuits. The addend would be input on the A inputs (A2 = MSD, A1 = LSD), and the augend input on the B inputs (B2 = MSD, B1 = LSD). For this explanation we will assume there is no input to C0 (carry from a previous circuit). Figure 3-9. -Parallel binary adder. Now let's add some two-digit numbers. To add 102 (addend) and 012 (augend), assume there are numbers at the appropriate inputs. The addend inputs will be 1 on A2 and 0 on A1. The augend inputs will be 0 on B2 and 1 on B1. Working from right to left, as we do in normal addition, let's calculate the outputs of each full adder. With A1 at 0 and B1 at 1, the output of adder 1 will be a sum (S1) of 1 with no carry (C1). Since A2 is 1 and B2 is 0, we have a sum (S2) of 1 with no carry (C2) from adder 1. To determine the sum, read the outputs (C2, S 2, and S1) from left to right. In this case, C2 = 0, S2 = 1, and S1 = 1. The sum, then, of 102 and 012 is 0112 or 112. To add 112 and 012, assume one number is applied to A1 and A2, and the other to B1 and B2, as shown in figure 3-10. Adder 1 produces a sum (S1) of 0 and a carry (C1) of 1. Adder 2 gives us a sum (S2)
What can be used to produce a continuous flow of charge?
A battery will do this, when connected to a closed circuit (for a while).
What are the colors of a 4.7 meg resistor?
Most likely yellow, violet, red. The 4th band will identify its tolerance levels which will give you a estimate a margin of error in reference to the rating and the actual resistance.
Why 8051 microcontroller called so?
Because it is 8- 8-bit controller (8000 series)
5- It has 5 interrupts
1- It has only one serial communication port
Why have so many variable type devices in autos been replaced with attribute type devices?
Inspection of items or products can be done in two ways:
1. By attributes, using gages to determine if the product is good or bad, resulting in a yes/no, go/no-go decision.
2. By variables, using calibrated instruments to determine the actual dimensions of the product for comparison with the size desired.
In an automobile, a speedometer and oil pressure gage are variable types of measuring instruments, and an oil pressure light is an attributes-type of gage. As is typical of an attributes gage, the driver does not know what the pressure actually is if the light goes on, only that it is not good.
Variable types of inspection generally take more time and are more expensive than attribute inspection, but they yield more information because the magnitude of the characteristic is known in some standard unit of measurement.
What are the advantages of AND gate?
An AND gate is a fundamental digital logic gate that outputs a high signal only when all its inputs are high, ensuring precise control in logical operations. Its advantages include simplicity in design and implementation, making it easy to integrate into complex circuits. Additionally, AND gates are essential for creating reliable decision-making processes in digital systems, where multiple conditions must be met simultaneously for a true output. This functionality is crucial in applications ranging from basic computing to advanced control systems.
Where do you find parts for luxman amplifier model LV-105?
Try here:
http://www.angelfire.com/art2/stereorepair117/luxman.htm
Why is making current more than breaking please?
because of the inductance associated with the circuit, it takes time to establish magnetic fields around all the wires and whatnot. This requires extra current at startup.
