A broadcast network is one in which a transmission from any one attached station is received by all other attached stations over a shared medium. examples are a bustopology local area network, such as ethernet, and a wireless radio network. discuss the need or lack of need for a network layer (osi layer 3) in a broadcast network
"omr, ocr, and micr are all types of ________."
Answer:
recognition/reader devices
Explanation:
Given a double variable named areaofsquare write the necessary code to read in a value , the area of some square, into areaofsquare and print out the length of the side of that square. however: if any value read in is not valid input, just print the message "invalid". assume the availability of a variable , stdin, that references a scanner object associated with standard input.
What device can boost an analog signal? a digital signal?
The ________ is one of a number of major internet interconnection points that serve to tie all the isps together.
Glass, rubber, porcelain, and paper are examples of electrical A. conductors. B. insulators. C. grounds. D. batteries.
A type of address translation in which a gateway has a pool of public ip addresses that it is free to assign to a local host whenever the local host makes a request to access the internet
The acronym is used to define the process that allows multiple devices to share a single routable ip address.
E-mail is ________ communication, which means users do not have to communicate at the same time.
Answer: Asynchronous
Explanation:
Asynchronous communication is not based on clock signal rather the communication takes place in non -regular manner by specific synchronized clock.Texting, blogging, vlogging,emailing etc are the examples of asynchronous communication.This can take place from different place at any time.Therefore, E-mail is example of asynchronous communication which permits user to communicate through mails at any point of time
Look at the four schematic symbols shown in the figure above. Each of the symbols is labeled with a number. Which of the following statements about these symbols is correct?
A. Symbol 1 represents a diode, symbol 2 represents a resistor, symbol 3 represents an LED, and symbol 4 represents a transistor.
B. Symbol 1 represents a diode, symbol 2 represents an LED, symbol 3 represents a transistor, and symbol 4 represents a resistor.
C. Symbol 1 represents a transistor, symbol 2 represents a resistor, symbol 3 represents an LED, and symbol 4 represents a diode.
D. Symbol 1 represents a transistor, symbol 2 represents a diode, symbol 3 represents a resistor, and symbol 4 represents an LED.
Without the provided figure, it is not possible to correctly identify which schematic symbol represents a diode, resistor, LED, or transistor. However, standard symbols for these components can be used to identify them in circuit diagrams, with a diode shown as a triangle pointing at a line, a resistor as a zigzag line, an LED like a diode but with lines for light emission, and a transistor symbol varying based on type but having three leads.
Explanation:To answer the question regarding the schematic symbols labeled with numbers, without the actual figure to refer to, it is impossible to definitively identify which symbol represents which electronic component. However, using the descriptions commonly associated with electronic components and schematic diagrams, we can provide general information that may help in identifying these symbols correctly in the future.
A diode is represented by a symbol that consists of a triangle pointing towards a line, which represents the direction of conventional current flow (from positive to negative). A resistor is usually depicted as a zigzag line. An LED, or light-emitting diode, is shown similarly to a diode symbol but with two small lines representing light emission. Lastly, a transistor can be recognized by a symbol with three leads and may vary in appearance depending on whether it is a bipolar junction transistor (BJT) or a field-effect transistor (FET).
With these descriptions, you would need to match the visual symbols from the figure you have with these standard electronic symbols to determine the correct statement about the symbols labeled 1 to 4.
What is the windows server 2012 feature that enables you to maintain previous versions of files on a server, so that if users accidentally delete or overwrite a file, they can access a copy?
What port does rdp use by default and from what range of numbers should you select a private port number?
By default, RDP (Remote Desktop Protocol) uses port 3389. For selecting private port numbers, you should use the range from 49152 to 65535.
Remote Desktop Protocol (RDP) is a network protocol used to remotely connect to another computer. By default, RDP uses port 3389. This port number acts like an apartment number in a building, making sure that traffic is directed to the correct application on a server.
When selecting a private port number, it's crucial to choose from the range of 49152 to 65535, which is known as the dynamic or private port range. These port numbers are not assigned to any specific services and are available for any application to use.
Ports play a significant role in how applications communicate over networks, with different ports designated for different services like HTTP (port 80) and FTP (port 21), although these can sometimes be customized by administrators as needed.
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway that has 19 other wires is
A. 7 A.
B. 5 A.
C. 10 A.
D. 15 A.
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway with 19 other wires is most accurately 7 A, as the NEC dictates derating to 50% for more than 9 conductors, which is 7.5 A. We typically select the nearest standard size of overcurrent protection device below this value, giving us 7 A in this case.
Explanation:The student is asking about the ampacity of a No. 12 aluminum wire with RHW insulation when installed in a raceway with 19 other wires. The term ampacity refers to the maximum current an electrical conductor can handle before deteriorating under the heat caused by electrical resistance, which is an important consideration in electrical wiring installations. According to the National Electrical Code (NEC), the base ampacity of No. 12 aluminum wire is generally 15 amps. However, when multiple wires are bundled together, as in a raceway, the ampacity must be derated due to the reduced ability to dissipate heat.
For 4-6 current-carrying conductors, the NEC suggests derating to 80%, 7-9 to 70%, and more than 9 to 50%. Therefore, with 20 conductors, the ampacity would be derated to 50% of 15 A, which is 7.5 A. But in practice, we use the nearest standard size of overcurrent protection device below the ampacity after derating, which usually brings us to either 7 or 5 amperes. Options 10 A and 15 A would be too high and disregard the need for derating. Thus, the most accurate answer, based on NEC guidelines, would likely be 7 A. Still, official guidelines and local regulations should be consulted to determine the exact ampacity as it may vary based on specific conditions.
Based on the NEC guidelines, the ampacity for No. 12 aluminum wire with RHW insulation must be derated when in a raceway with multiple wires. Normally, it is 15 A, but with 20 wires, it would typically be derated to 80%, which closest matches option A, 7 A.
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway with other wires will be de-rated according to the National Electrical Code (NEC). The NEC provides a table for the allowable ampacities of conductors, but they must be adjusted when multiple conductors are bundled together, as they generate more heat and can handle less current.
For No. 12 aluminum wire with RHW insulation, the typical ampacity is 15 A when not in a bundle. However, the NEC states that for more than 3 wires in a conduit, the ampacity must be derated to 80% of this value. Since there are a total of 20 wires in this case, the ampacity would have to be derated further.
Unfortunately, the question does not provide the exact de-rating factor needed for a bundle of 20 wires; the NEC must be consulted directly for specific de-rating factors. Nevertheless, the closest answer from the provided options, based on the typical 80% de-rate, would be 7 A (Answer A).
• what command-line utility can you use to assign the correct dns server ip address
The tiny memory cards used by digital cameras and mobile devices are an example of ____ storage.
Marie uses a browser to visit a blog. What is the unique identifier of the blog?
If a protocol is routable which tcp/ip layer does it operate at\
You live "out in the middle of nowhere" and feel there is no need to protect your internet connection because there is no one that lives near you. one day you are unable to connect to the internet. after calling tech support you find that someone has hacked into your router and has changed all the settings. fortunately the hacker only wanted to use your internet connection and did not view any information on your computer. your decision to leave your router unprotected risked the integrity of the information on your computer. select yes or no.
Users reside "inside the middle of nowhere" and think that and no need to secure their connection to the internet so nobody lives next door, and the further discussion can be defined as follows:
In this, the user can't access the internet one day, upon calling technical assistance, we discover that someone has hacks through the router and altered all of its settings. Fortunately, the hacker was only interested in your internet access and did not look at any of your computer's data. So, the choice to leave your connection unencrypted exposed yourself to hazards to authenticity on your computer's data.Therefore, the given statement is "False".
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In addition to narrative form, experimental or avant-garde films may use ______ or ______ form.
In addition to narrative form, experimental or avant-garde films may use Abstract or Associational form.
The abstract form organizes entire films around shapes, sizes, colors and movements in the images. Abstract films can seen completely random. And associational form in which the films parts are exposed to suggest similarities, contrast, concept, emotions and express qualities.
The term _____ best describes the level of technology skills needed in today’s business world.
For each processor find the average capacitive loads.
Access points take ________ from wireless devices and send them on to devices on the wired lan.
An object is ____ that can be treated as an individual unit or component.
When troubleshooting vpn connectivity, which windows and linux command can you use to verify your internal port?
a.ping
b.traceroute
c.lookup
d.ipconfig?
The network services and facilities that users interact with are provided by
______ are segments of computer code that attach to existing computer programs and perform malicious acts. select one:
a. viruses
b. worms
c. trojan horses
d. back doors
e. alien software
The dfs replication engine uses a form of replication called
What is a series of instruction or commands that a computer follows; used to create software
A program is an established set of instructions that a computer tracks to perform a task. The program is put into a storage area manageable to the computer and memory can also comprise the information that the instruction operates on. The computer program changes to one instruction and accomplishes it and then gets the following instruction. Programs can be considered as interactive or batch in relations of what drives them and how constantly they run. An interactive program obtains data from an interactive user or perhaps from another program that put on an interactive user. A batch program tracks and does it work and then stops and can be in progress by interactive users who appeal their interactive program to run the batch program.
To create a multi-column and multi-row box for users to type into in an html form, use the ____________ tag pair
To create a multi-column and multi-row box for users to type into in an html form, use the <textarea></textarea> tag pair.
The html tags are the codes or the hidden keywords in the web browser to tell about its format and displayed content. The html tags mostly comes in pairs, pair consist of the start tag and end tag.Modify secondverse to play "the name game" (a.k.a. "the banana song", see wikipedia.org), by replacing "(name)" with username but without the first letter. ex: if username = "katie", the program prints: