T/F Digital electronic circuits distinguish between two values of interest (binary O and I) by the Itage level of the signal.
Answers
The statement given " Digital electronic circuits distinguish between two values of interest (binary O and I) by the Itage level of the signal." is true because digital electronic circuits use voltage levels to distinguish between two binary values, 0 and 1,
The question is asking whether digital electronic circuits distinguish between two values, binary 0 and 1, based on the voltage level of the signal. This is indeed true, as digital circuits are designed to interpret a high voltage level as a binary 1 and a low voltage level as a binary 0. This binary code is the foundation of digital electronics and is used in a wide range of applications, from computer processors to communication systems.
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Related Questions
A shopaholic has to buy a pair of jeans , a pair of shoes l,a skirt and a top with budgeted dollar.Given the quantity of each product and the price per unit determine how many options of each item are present.if required all dollars are spent write the programming in c
Answers
Answer:
you might be facing some difficulty in observing this point of division between your question and me
IV. Activities:
Activity 1: SPOT THE OBLIQUE
Directions: Study the different objects below. Identify the oblique drawing. Put a check on the
box if it is oblique, otherwise put “x” if it is not.
Answers
The OBLIQUE different objects below are the1, 3, and 6 in the picture given below.
What is an OBLIQUE object ?
A projective drawing of which the frontal strains are given in proper proportions and members of the family and all others at appropriate angles aside from ninety levels without regard to the guidelines of linear perspective.
Oblique drawings are drawn with one plane (front) of the item parallel to the drawing surface. The aspect, or difference seen a part of the item is normally drawn at 30◦ or 45◦. Note that simplest the aspect is on an angle. In many instances, those sorts of drawings aren't interested in scale.
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(T/F) Steel shear reinforcement (stirrups) is required in all concrete flexural members regardless of the member type, demand and shear capacity of the concrete.
Answers
False. Steel shear reinforcement, also known as stirrups, is not required in all concrete flexural members, regardless of the member type, demand, and shear capacity of the concrete. Stirrups are typically used to enhance the shear capacity and ductility of concrete beams and to resist diagonal tension forces that may arise due to bending or applied loads.
However, their use depends on various factors, such as the design specifications, loading conditions, and the desired performance of the concrete structure.
In some cases, the shear capacity of the concrete without any reinforcement may be sufficient to resist the applied forces, making the use of stirrups unnecessary. For instance, when the concrete member is lightly loaded or has a significant depth, the shear stresses may remain below the allowable limit, and the addition of steel shear reinforcement might not be required. Additionally, certain structural elements, like slabs or walls, may rely on other reinforcement systems or their geometry to provide the necessary shear capacity.
In summary, while steel shear reinforcement is a crucial component in many concrete flexural members to ensure their structural integrity and performance, its use is not universally required, as it depends on the specific design criteria and conditions of the member.
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Compute the first three natural frequencies and the corresponding mode shapes of the transverse vibrations of a uniform beam of rectangular cross section (100 mm times 300 mm) with 1 = 2 m, E = 20. 5 times 10^10 N/m^2, and p = 7. 83 times 10^3 kg/m^3 for the following cases: (a) when both ends are simply supported; (b) when both ends are built-in (clamped); when one end is fixed and the other end is free; and (d) when both ends are free. Plot the mode shapes
Answers
The value when both ends are free isd) Free-Free: f1 = 0 Hz, f2 = 16.08 Hz, f3 = 36.19 Hz
Mode shapes: sin(npix/(2L))
How to solveTo calculate these values, use the following formulas:
f = (1/(2pi)) * sqrt((B^2EI)/(rhoAL^4))
B = pi*n/L
(a) Simply Supported:
f1 = 8.04 Hz, f2 = 32.17 Hz, f3 = 72.38 Hz
Mode shapes: sine (npix/L)
(b) Clamped Ends:
f1 = 20.42 Hz, f2 = 81.67 Hz, f3 = 183.92 Hz
Mode shapes: cosh(Bx)-cos(Bx)
(c) Fixed-Free:
f1 = 5.25 Hz, f2 = 20.98 Hz, f3 = 47.22 Hz
Mode shapes: sin(Bx)
(d) Free-Free:
f1 = 0 Hz, f2 = 16.08 Hz, f3 = 36.19 Hz
Mode shapes: sin(npix/(2L))
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numerade an iron casting containing a number of cavities weighs 6000 n in air and 4000 n in water. what is the total cavity volume in the casting? the density of solid iron is 7.87 g/cm3 .
Answers
The total cavity volume in the casting will be 0.126 m³.
How to determine the volume of the castingThe total cavity volume in the casting can be obtained by first meansuignt he effective weight. This is done by subtracting the weight of the casting iron from the density of iron which is multiplied by the volume of the cast material.
Essentially, the volume of the cast iron will be obtained thus:
(6000 - 4000/ 9.8 m/s² * 1000 kg/m³) - 6000/9.8 m/s² * 7.87 * 10³ kg/m³
= 0.126 m³
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a semiconductor or solid-state device used to control the flow of current is an ____ device.
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A semiconductor or solid-state device used to control the flow of current is an electronic device.
The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronic devices, such as transistors and diodes, are crucial components in modern electronics for managing and regulating the flow of electrical current in various applications. Examples of electronic devices include diodes, transistors, and integrated circuits.
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A semiconductor or solid-state device used to control the flow of current is an electronic device.
Electronic devices are components for controlling the flow of electrical currents for the purpose of information processing and system control. Prominent examples include transistors and diodes. Electronic devices are usually small and can be grouped together into packages called integrated circuits.
Electronic devices are components for controlling the flow of electrical currents for the purpose of information processing and system control. Prominent examples include transistors and diodes. Electronic devices are usually small and can be grouped together into packages called integrated circuits. This miniaturization is central to the modern electronics boom.
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What are some drawbacks of BGP? What is the biggest problem?
Answers
Some drawbacks of BGP (Border Gateway Protocol) include its slow convergence, complexity, and vulnerability to security threats. BGP's slow convergence can result in network instability, as it may take a considerable amount of time for routers to update their routing tables after changes in the network topology.
This delay can lead to packet loss, increased latency, and overall decreased network performance. The complexity of BGP can make configuration and management challenging, especially in large-scale networks. This complexity often requires experienced network administrators who are familiar with BGP's numerous features and options. Misconfigurations can lead to routing loops, suboptimal routing, and even network outages. BGP is also susceptible to security threats such as route hijacking, route leaks, and prefix hijacking. Attackers can exploit BGP's trust-based nature to propagate false routing information, potentially causing traffic to be rerouted, intercepted, or dropped. The biggest problem associated with BGP is arguably its vulnerability to security threats, as these can have severe consequences for the integrity and reliability of the Internet. Mitigating these threats requires both technical and cooperative efforts from network operators and the broader Internet community.
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Hi, I am confused about whether this is considered not symmetric or symmetric.
Relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) }
I tried asking different people but they gave me two different answers, so which one is the correct one?
Symmetric since (c, d) ∈ R and (d, c) ∈ R
OR
NOT Symmetric since (a, b) ∈ R and (b, a) ∉ R
OR
is it both wrong or both right? Please explain, thank you!
Answers
The relation R is not symmetric because it violates the symmetry property for the pair (a, b).
Is the relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) } symmetric or not?The relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) } is considered NOT symmetric.
Symmetry in a relation means that if (a, b) is in the relation, then (b, a) must also be in the relation. In this case, we have (a, b) ∈ R, but (b, a) ∉ R, violating the symmetry property.
While it is true that (c, d) ∈ R and (d, c) ∈ R, satisfying the symmetry property for those specific pairs, the presence of (a, b) ∈ R and (b, a) ∉ R already establishes that the relation is not symmetric. Symmetry should hold for all pairs in the relation, not just a subset.
Therefore, the correct answer is NOT symmetric, based on the violation of the symmetry property for the pair (a, b).
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Some full-time 4WD sedans use a front engine and transaxle, with a drive shaft connected to drive the rear wheels.
Select one:
True
O False
Answers
Answer:true
Explanation:
2. Describe how these variables will be affected by the use of flaps.
a. Lift
b. Drag
c. Takeoff airspeed
d. Takeoff distance
e. Wing camber
Answers
The flap is used to lift the aircraft in the air as it provides them with balance.
What are flaps?The flaps' main function is to produce additional pull during decreased airspeed, therefore allowing the aircraft to fly at much low rpm with a reduced chance of crashing.
The flap is used to lift the aircraft in the air as it provides them with balance.
They are used for dragging the aircraft as it provides them with a certain amount of height with increases and lowers it.
The takeoff speed is slowed so relatedly to the flap as the change in the structure for the dynamic effect of the airspeed.
Flap reduces the takeoff distance as a smaller speed is being created, which reduces the feed with the coefficient of lift.
The class have a chamber it provides some hollow stairs through which they can store the good and services also it is sometimes used for oil storage.
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Which of the following is true of mill scale? *The porosity it causes is most often confined to the interior of the weld.It is removed even for noncode welding.With GMA welding wire, deoxidizer eliminates the adverse effects of mill scale.It increases the chance of rusting.
Answers
Mill scale increases the chance of rusting. mill scale, a flaky surface layer of iron oxide formed on hot-rolled steel, creates a barrier against atmospheric corrosion.
However, over time, it can lead to increased rusting as it retains moisture and accelerates the corrosion process. Therefore, mill scale is generally undesirable in many applications, and it is often removed before welding to prevent porosity and ensure better weld quality. Deoxidizers in welding wire can help mitigate the adverse effects of mill scale, but it is still recommended to remove it for non-code welding.
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for the systems represented below (with y(t) as output and x(t) as input), explain with reason which of them are time-invariant and which are time-varying. chegg
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A time-invariant system is one that stays the same over time and doesn't change how it works or reacts. To put it simply, if you use the same signal at various times, the output will be the same, just with a delay or shift in time.
What is the systems about?The system stays the same over time and keeps its properties, like being able to handle inputs of different sizes and reacting quickly to sudden changes. Systems that do not change over time are often seen as more predictable and easier to understand.
On the other hand, a time-varying system is one that changes its behavior over time. The system's features, like its parts, values, or qualities, could change as time goes by. So, when you use the same signal at different times, you can get different results.
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what type of bit should be used to drill holes in plexiglass
Answers
To drill holes in plexiglass, it is recommended to use a **drill bit specifically designed for acrylic or plastics**, such as a **multipurpose or brad-point drill bit**.
Plexiglass, also known as acrylic, is a brittle material that requires careful drilling to avoid cracking or chipping. Standard drill bits, such as those used for metal or wood, are not ideal for drilling plexiglass as they can cause excessive heat buildup and exert too much force, leading to damage.
Multipurpose drill bits or brad-point drill bits have specially designed tips that help reduce the risk of cracking. They often feature a sharper point for easier starting and smooth cutting edges to prevent chipping. These types of drill bits are specifically engineered for drilling into plastics like plexiglass.
When drilling, it is essential to apply light and consistent pressure, use a low drill speed, and ensure the plexiglass is properly supported to minimize vibrations and prevent cracking. Additionally, it is advisable to place a scrap piece of wood or plastic underneath the plexiglass to prevent damage to the surface beneath.
By using a drill bit designed for acrylic or plastics and employing proper drilling techniques, you can effectively and safely drill holes in plexiglass without compromising its integrity.
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Sebuah Tangki yang kokoh terinsulasi mempunyai volume 10ft3. Tangki tersebut berisi uap air jenuh pada temperature 2120 F. Air diaduk dengan cepat hingga tercapai tekanan 20 lbf/in2. Tentukanlah temperatur pada keadaan akhir dalam 0F, dan kerja proses dalam Btu
Answers
Answer:
temperatur akhir = 444.5645⁰F
kerja = 31.353 Btu
Explanation:
Sebuah Tangki yang kokoh terinsulasi mempunyai
T₁ = 212°F , V₁ = 10ft³
ц₁ = 26.782ft³/lbm , U₁ = 1077.4Btu/lbm
keadaan akhir:
P₂ = 20Psi , ц₂ = ц₁ = 26.782ft³/lbm
At P₂ = 20Psi
T ц U
440 26.644 1159.7
T₂ 26.782 U₂
500 28.458 1181.6
By interpolation T₂ = 444.5645⁰F
U₂ = 1161.366Btu/lbm
m = v₁ / ц₁
= 10 / 26,782
= 0.3734 lbm
kerja = m(U₂-U₁)
= 0.3734 ( 1161.366 - 1077.4 )
= 31.353 Btu
A good way to track problems that need to be solved later in the day or week is with
Answers
A vibration system consists of a mass 50 kg, a spring of stiffness 30 kN/m and a damper. The
damping provided is only 20% of the critical value. Determine (a) the damping factor, (b) the
critical damping coefficient, (c) the natural frequency of the damped vibrations, (d) the
logarithmic decrement and (e) the ratio of two consecutive amplitudes.
Answers
Answer:
20% of the critical value. Determine (a) the damping factor, (b) the
Explanation:
Question # 1
Fill in the Blank
Complete the following sentence.
Mobility refers to the ability to _____.
Answers
to move or walk freely and easly
FILL THE BLANK.
since thermocouples produce such low voltages, they are often connected in series. this connection is referred to as a(n) _____.
Answers
Thermocouples are temperature sensors that generate a voltage when there is a difference in temperature between two junctions. However, the voltage produced by one thermocouple is usually very small - typically only a few millivolts. To increase the output voltage, multiple thermocouples can be connected together in series.
This connection of multiple thermocouples in series is referred to as a "thermopile". A thermopile consists of several thermocouples connected in series, with each thermocouple adding its small voltage to the overall output voltage. The result is a higher voltage signal that is more easily measured by instruments or controllers.
The use of a thermopile has several advantages over using a single thermocouple. First, it provides a larger voltage signal, which makes it easier to measure accurately. Second, a thermopile can be more sensitive to changes in temperature than a single thermocouple. Finally, since a thermopile generates a higher voltage signal, it can be used over longer distances without suffering from signal degradation.
In summary, connecting thermocouples in series to form a thermopile is a common technique for increasing the voltage output of these temperature sensors. This method allows for more accurate and sensitive measurements, making it useful in a wide range of applications, including industrial process control, laboratory research, and environmental monitoring.
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Do you think computer professionals need to have a moral code specific to their profession?
Do you think technology has created a different set of moral values?
Give an example of a specific situation where a computer code of ethics is used?
Have you ever been faced with an ethical decision involving information technology?
Answers
Computer professionals need to have a moral code specific to their profession as technology has created a different set of moral values.
This is because more than 100 years of technology and innovation have created an entirely new set of ethical concerns for computer professionals. The reason why computer professionals require a moral code is that their work often entails access to sensitive information and computing systems that, if exploited, could result in significant harm to individuals and organizations.
Technology has created a different set of moral values because it has brought about new ethical challenges that were previously unheard of. For example, online privacy, cyberbullying, identity theft, and hacking are all ethical issues that have arisen due to technology advancements.
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What is the basic requirement of measurements?
Answers
The basic requirement of measurements is to have a standard or reference point against which to compare the quantity being measured. This standard or reference point should be well-defined and stable, and the measurement process should be repeatable and consistent. Additionally, it is important to ensure that the measurement equipment is calibrated and in good working condition.
Answer:
The most basic requirement for measurements is the presence of a standard or reference point against which the quantity being measured can be compared. The measurement process should be repeatable and consistent, and the standard or reference point should be well-defined and stable. Furthermore, ensure that the measurement equipment is calibrated and in good working order.
Explanation:
The force that your engine applies to turn your cars wheels
Answers
a computer with a 16-bit wide data bus uses 1m 1 bit dynamic ram memory chips. what is the smallest memory (in bytes) that this computer can have? a: 1m b: 2m c: 4m d: 8m e: 16m
Answers
The smallest memory that this computer can have is 2m, which is the closest answer choice. The answer is (b) 2m.
To calculate this, we first need to convert the 1m 1-bit dynamic ram memory chips to bytes.
1m = 1,000,000 chips
1 chip = 1 bit
So, 1m chips = 1,000,000 bits
Since the computer has a 16-bit wide data bus, it can access 16 bits (or 2 bytes) of memory at a time.
Therefore, the total memory that the computer can access is:
1m chips x 1 bit per chip x 2 bytes per access = 2m bytes
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There is an AC series circuit that is constructed of a 150.0-ohm resistor along with 300.0 ohm inductive reactance and 200.0 ohm capacitive reactance. What is the difference in phase between the current and resistor voltage of the circuit
Answers
Answer:
0°
Explanation:
The resistor voltage has the same phase as the circuit current. There is no phase difference.
Answer:
0° (zero degree)Explanation:
the difference in pjase between the current and resistor voltage of the given 150.0 ohm, 300.0 ohm and 200.0 ohmA resistor, an inductor, and a capacitor are connected in series to an ac source. What is the phase angle between the voltages of the inductor and capacitor in this rlc circuit?.
Answers
The phase angle is 180°.
A resistor, inductor, and capacitor are connected in series to an AC source.
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Using the degree day method calculate the annual kwh use in springfiled il with a heat loss of 12kwh an inddor twmperature of 7
Answers
Answer:
The correct solution is "21024 KWh/degree day".
Explanation:
The given query is incomplete. Below is the attachment of complete query is provided.
The given values are:
Indoor design temperature:
= 70°F
Now,
According to the question,
The heat loss annually will be:
= \(12\times 24\times 365\)
= \(105120 \ KW\)
Degree days will be:
= \(75-65\)
= \(5\)
Hence,
Annual KWh use will be:
= \(\frac{Heat \ loss \ annually}{degree \ days}\)
On substituting the values, we get
= \(\frac{105120}{5}\)
= \(21024 \ KWh/degree \ day\)
Scheduling can best be defined as the process used to determine:
Answers
Answer:
Overall project duration
Explanation:
Scheduling can best be defined as the process used to determine a overall project duration.
compare distributed database design strategies with respect to reliability, expandability, communications, overhead costs, manageability, and data consistency.
Answers
A distributed database refers to a database management system in which all databases are not connected on the same server.
What are the characteristics of distributed database?In comparison to centralized databases, distributed databases are more reliable. In the event of a database failure in a centralized database, the system comes to a halt. When a distributed database fails, the system continues to function, albeit with reduced performance until the problem is resolved.DDBMS's primary function is to keep track of data distribution, fragmentation, and replication by expanding the DDBMS catalog.Every read, regardless of which node it comes from, returns the data of the most recent write. Network failure is unavoidable in a distributed database, and a database must ensure that it can continue to run even if a partition fails.Often, expensive software is required to ensure data transparency and coordination across multiple sites.A distributed database management system (DDBMS) that is centralized manages distributed data as if it were stored in a single physical location. Data storage on-site lowers communication costs for data manipulation in distributed databases. In centralized databases, local data storage is not possible.To learn more about distributed database refer to :
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Truss ABC is changed by decreasing its height from H to 0.9 H. Width W and load P are kept the same. Which one of the following statements is true for the revised truss as compared to the original truss?
A. Force in all its members have decreased.
B. Force in all its members have increased.
C. Force in all its members have remained the same.
D. None of the above.
Answers
Force in all its members have increased
Force EquationThe vector product of mass (m) and acceleration (a) expresses the quantity of force (a). The force equation or formula can be expressed mathematically as follows:
F = ma In which case,
m = mass a = velocity
It is expressed in Newtons (N) or kilogrammes per second.
The acceleration an is provided by
a = v/t
Where
v = acceleration
t = time spent
As a result, Force can be expressed as follows:
F = mv/t
The formula for inertia is p = mv, which can also be expressed as Momentum.
As a result, force can be defined as the rate of change of momentum.
dp/dt = F = p/t
Force formulas are useful for determining the force, mass, acceleration, momentum, and velocity in any given problem.
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All of the following are derived units except ________.
Answers
The option that is not a derived units is known to be option E) kg.
What are derived units and examples?The units that are known to be used for any form of derived quantities are said to be called the derived units.
They are:
The meter per second (distance)Mole per cubic meterVolumeNote that this unit are derived because they are known to be derived because they have to be solved for using different ways. The others such as kg m-3 is one that need to be derived to arrive at it.
Therefore, based on the above, one can say that The option that is not a derived units is known to be option E) kg because it is one that cannot be derived,
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The following are derived units EXCEPT
Options
A) kg m-3
B)N
C)Ns
D)m3
E)kg
Which of these is known as the greatest danger associated with excavations?
Select the best option.
Asphyxiation
Cave-ins
Fire
Underground utility lines
Answers
Answer:
Cave-ins
Explanation:
The term excavation means any form of cuts, depression or trench by removing the surface of the earth. This process is intended primarily for the purpose of construction and maintenance or exploration. In this process there are many hurdles that pose danger to both human life and earth. The excavation workers face the great threat because of cave-ins. The collapsing of the earth's surface and random accidents prove to be very dangerous for the workers.