(b) Explain what is meant by a MAC address.
T​

Answers

Answer 1

Answer:

A MAC ADDRESS is a hardware identification number that uniquely identifies each device on a network.

Explanation:


Related Questions

10
This section of program code may be used as a validation check.
1
2
3
4
5
6
7.
PRINT "Input a value between 0 and 100 inclusive"
INPUT Value
WHILE Value < 0 OR Value > 100
PRINT "Invalid value, try again"
INPUT Value
ENDWHILE
PRINT "Accepted: ", Value
(a) Give a name or explain this type of validation check.
[2]
(b) Describe what is happening in this validation check.​

Answers

Answer:

This is a range check

Explanation:

The input value is checked against a minimum and maximum value.

the word item referred to as a: A.value B.label C.Formula​

Answers

I think it’s C If wrong I’m sorry

ram is also called __________________________________________________

Answers

Answer:

Alternatively referred to as main memory, primary memory, or system memory, RAM (random-access memory) is a hardware device that allows information to be stored and retrieved on a computer. RAM is usually associated with DRAM, which is a type of memory module.

Explanation:

What is 540 to the nearest TENTH?​

Answers

Answer:

500

Explanation:

no explanation, sorry

list two use of a word processor software.

Answers

Explanation:

the Word processor is used to for

* Editing of documents

*Formatting of documents

*Creation of documents

*Saving documents



Which of the following is NOT a group on the Slide Master tab?
A. Edit Master
B. Styles
C. Edit Theme
D. Background

Answers

styles is not a group on the slide master tab

Answer: Edit theme Select and customized the colors, fonts

Explanation:

Write a program that asks the user to enter the name of an input file. If the file does not exist, the program should prompt the user to enter the file name again. If the user types QUIT in any uppercase/lowercase combinations, then the program should exit without any further output.

Answers

Answer:

I can help you with that inbox me



1-the principle of recycling applies only to open systems

True/False


2-It is important that measurements be consistent in engineering because

A-There is only one established system of measurement available

B-there is one unit that is used to measure weight, length and distance

C-engineers often work together internationally and replicate each others' results


Answers

Answer:

The answer to this question can be described as follows:

In question 1, the answer is False.

In question 2, Option C is correct.

Explanation:

Recycling seems to be the concept of organizing life by making use of as little resources as possible. The recycling approach enables us to live and reconstruct in modules that are closed, it use everywhere not only in the open system. Measurements must be accurate in engineering because engineers often operate independently globally and repeat the findings of one another.

Which of the following are disadvantages of networks? Check all of the boxes that apply.
Network intruders can access all computers on a network.
Networks are costly to set up.
Setting up networks does not require special knowledge.

Answers

Answer:

• Network intruders can access all computers on a network.

• Networks are costly to set up.

Explanation:

A network can be defined as a connection between the internet and the computer. A network is a means by which information or data are transmitted from one computer to another.

We have various types of networks and some of them are:

a) Local Area Network (LAN)

b) Wireless Local Area Network (WLAN)

c) Wide Area Network (WAN)

d) Campus Area Network (CAN)

e) Metropolitan Area Network (MAN)

f) Personal Area Network (PAN) e.t.c

The disadvantages of network are:

a) Network intruders such as computer hackers can easily access all computers on a network.

b) Networks are costly to set up.

It is of outermost importance that a network used by a computer is secured using security such as encryption in other to prevent data loss , hackers and exposure of information that are sensitive to computer users.

Answer:

A and B

Explanation:

When checking for a no-start concern, you notice that an engine has no spark. Technician A says to turn on the ignition (engine off) and, using a DMM, find out how much battery voltage is available at the negative terminal of the ignition coil. Technician B says the DMM reading should fluctuate, indicating that the primary coil current is being turned on and off. Who is correct?


A. Neither Technician A nor B

B. Both Technicians A and B

C. Technician B

D. Technician A

Answers

Answer:

Option(C) is the correct answer to the given question.

Explanation:

Since overall the On-Board Diagnostics of the level 2 the computer systems need to evaluate the cause of the engine failures .The malfunction significantly increases in the fuel consumption, so that we can detecting the error code in the vehicle.

If we starting the engine as well as by using the DMM, we'll  see how much battery voltage it is at the negative ignition coil node.If the spark module is faulty and no ignition coils can fire so all the engines are working that's why all the other option are incorrect .

Name atleast two advantages of using models in science

Answers

When students are engaged in scientific modeling, they are able to notice patterns and develop and revise representations that become useful models to predict and explain, making their own scientific knowledge stronger, helping them to think critically, and helping them know more about the nature of science.

What does choosing Slide Sorter view do?
Select the correct answer.
X
fills the entire computer screen with a slide
allows you to select slide layouts
displays miniature versions of all the
presentation's slides​

Answers

Answer:

The last two line i.e "displays miniature versions of all the  presentation's slides​  " is the correct answer to the given question .

Explanation:

The main objective of the slide sorter is showing the miniature versions of all the slides though user can quickly push the slides and organize the slides in well mannered by moving the slides . The Slide Sorter display gave the viewers to thumbnail the overview of the slides.

The slide sorter making the presentation effective by organizing and sorting the slide .All the other option are not correct for the  Slide Sorter view that's why these are incorrect option .

What are the three types of secondary storage?

Answers

Answer:

we have the; Solid state storage device e.g USB memory, optical storage device e.g CD, DVD and Blu-ray discs And the Magnetic storage device e.g hard disk drive

Does white space have visual weight? Yes or No

Answers

Answer:

no. (more info below)

Explanation:

white space appears to have no visual weight because it's seen as empty. Every body put in the room will appear to be heavier because of the volume surrounding it.

hope this helped!

Answer:

no

Explanation:

it's because it appears to be empty.

what is the usage of sustainable energy?​

Answers

its the practice of using energy in a way that "meets the needs of the present without compromising the ability of future generations to meet their own need

combine like terms to create an eqivalent expresion. -1/2(-3y+10)​

Answers

Answer: Google doesn't have the answer.

Explanation:

I tried



What framework provides a simple API for performing web tasks?


(blank) is a framework that provides a simple API for performing web tasks,

Answers

Answer:

Prototype is a framework that provides a simple API for performing web tasks.

Explanation:

Prototype is a JavaScript framework that aims to ease up the development of dynamic web applications. It basically take out the complexity out of the client-side programming.

Following are some salient features of Prototype:

1) Applies useful methods to extend DOM elements and built-in types.

2) Provides advance support for Event Management.

3) Provides powerful Ajax feature.

4) Built-in support for class-style OOP.

5) Not a complete application development framework

Answer:

Prototype is a framework that provides a simple API for performing web tasks

Write a Python program to convert the characters to lowercase in a string

Answers

Answer:

Following is the program in the python language

st = 'sAN RaN'  #String

print(st.lower()) #display into the lowercase

Output:

san ran

Explanation:

Following are the description of program

Declared and initialized the string in the "st" variable .The lower function in python is used for converting the uppercase string into the lower case string .Finally in the print function we used lower function and display the  string into the lower case


30 POINTS !!!

Select the correct answer from each drop-down menu.

What are the different image clean-up tools?

The different image clean-up tools are the ____ tool and the ____ tool that help remove spots and other marks.

The different image clean-up tools are the _____

1. Blur
2. Healing Brush
3. Sharpen

and the ____ tool that help remove spots and other marks.

1. Blur
2. Clone
3. Patch tool

Answers

healing brush patch tool and blur i’m kinda unsure about healing brush because i do photography and all of those help sorry i couldn’t give you the exact answer :(

Answer:

1.) healing tool

1.) patch tool

Which of the benefits below make using an Infrastructure as a Service (IaaS) provider a better option than purchasing dedicated physical hardware? Check all that apply.

Answers

Question:

Which of the benefits below make using an Infrastructure as a Service (IaaS) provider a better option than purchasing dedicated physical hardware? Check all that apply.

A) Having low initial costs

B) Using a server for a short amount of time

C) Not needing to manage physical servers

D) Having complete control over your physical infrastructure

Answer:

The correct options are A, B and C.

Explanation:

Infrastructure as a Service is simply a service which affords businesses the option of outsourcing their Hardware technology needs especially as it relates to computing.

It is a cloud-based service. Common examples include but are not limited to

Amazon Web Services (AWS)Google Compute Engine (GCEDigitalOcean Microsoft Azure

As highlighted above, they offer small business the advantage of high-quality IT infrastructure at very affordable costs. Businesses that want to shed the cost of their IT infrastructure whilst increasing their computing powers are most likely to purchase these services. E.g. start-ups or companies reviewing/implementing a cost restructuring.

Of course, one of the disadvantages of (IaaS) is that companies have to forfeit complete control of their physical infrastructure. Furthermore, because it is online, computing speeds may be dampened by internet speed.

Cheers!

A mechanic uses a screw driver to install a ¼-20 UNC bolt into a mechanical brace. What is the mechanical advantage of the system? What is the resistance force if the effort force is 5 lb.

Answers

Answer:

15.7 ; 78.5

Explanation:

Mechanical advantage of a screw = Circumference / pitch

Circumference = pi × d

Where :

pi = 3.142, D = diameter

Therefore ;

Circumference = 3.142 × (1/4) = 0.785 in

Pitch = 1/TPI

TPI (thread per inch) = 20

Pitch = 1/ 20 = 0.05

Mechanical advantage = 0.785 / 0.05 = 15.7

Resistance force if effort force is 5lb

Mechanical advantage = Fr / Fe

Fe = effort force, Fr = resistance force

15.7 = Fr / 5

Fr = 15.7 × 5 = 78.5 lbs

The hexadecimal number system uses alphabets A to F to represent values_ to _

Answers

Answer:

they represent values 10 to 15

they represent 10 to 15

name of main component of fifth generation of computer​

Answers

Answer:In the fifth generation, VLSI technology became ULSI (Ultra Large Scale Integration) technology, resulting in the production of microprocessor chips having ten million electronic components. This generation is based on parallel processing hardware and AI (Artificial Intelligence) software.

Explanation: hope this helps ❤️

Why are proper ergonomics important for learning? Students can socialize more when their work area is comfortable. Students can study better if their work area is comfortable. Students are able to take longer breaks when their work area is functional. Students experience more physical strain if their work area is functional.

Answers

Answer:

The correct answer to the following question will be Option B (Students can research easier if their environment is convenient).

Explanation:

Ergonomics defined as the study including its type of job individuals do, the world in which they job as well as the resources people utilize to perform the function.School operation, because this is not a working circumstance, is always at the discretion of "cause and effect," such that, there might not be a standard that satisfies the food safety performance indicators of learning spaces, while adequate ergonomics seems to be very necessary since students will learn easier if their working environment was indeed pleasant.

The other three choices are not related to the given scenario. So that option B seems to be the appropriate choice.

Answer:

B

Explanation:

edge 2020

Darla is going to start writing the HTML code for a web page. What would she
start with?
A. Header
B. Closing tag
C. Opening tag
D. Title

Answers

Answer:

(C) Opening Tag

Explanation:

HTML code is contained in an opening and closing tag. To start writing code you need to first type in the opening tag.

Darla can be able to start with Opening tag. Check more about HTML code below.

What are tags in HTML?

An HTML tag is known to be a part of made up language that is often used to show the start and also the ending of an HTML element that can be found in any  HTML document.

Conclusively, for Darla to be able to start writing the HTML code for a web page, she needs an Opening tag for it to start.

Learn more about HTML code from

https://brainly.com/question/24051890

#SPJ5

you've finished programming the app! Now your company has to decide whether to use an open source
license or proprietary license. explain which one you would choose and why.​

Answers

Answer:

Proprietary License gives you full ownership and trademark/patent opportunites. Open source allows for code donation and a community based development for your app. Generally speaking, if your a private entity creating an app for a client, you'll need the Proprietary Licence, which will allow you to sell the codebase to your client.

If your creating an app for your company as itself, you go either way, sell the license in licensing agreements, or have your companies community contribute and better your app from the inside.

Its entirely based on the agreements you set for the app.

Write the UPDATE command to increase the commission (column name :COMM) by 500 of all the salesman who have achieved sales (Column name : SALES) more than 20000. The table’s name is COMPANY?

Answers

Answer:

UPDATE COMPANY

SET COMM=COMM + 500

WHERE SALES> 20000;

Explanation:

The update command is used for alter the record in the database management system in the table .The update command command modify the record on the some condition in the table in the database management system.

Following are syntax for using the update command .

UPDATE table-name

SET column name 1,column name 2 .........

Where condition

In the given question table -name is "COMPANY" the condition is on the sales column and it update the table only when sales is more than 20000 and set the column COMM by 500.

The UPDATE command that increases the commission column is: UPDATE COMPANY  SET COMM=COMM + 500  WHERE SALES> 20000;

The syntax of an UPDATE SQL command is:

UPDATE table_name SET column = value, where condition

From the question, the table name is COMPANY.

So, we have:

UPDATE COMPANY SET column = value, where condition

The update statement is to increment the COMM column by 500.

So, the query becomes

UPDATE COMPANY  SET COMM=COMM + 500  WHERE condition

Lastly, only columns where SALES are greater than 20000 should be updated.

So, the complete command is:

UPDATE COMPANY  SET COMM=COMM + 500  WHERE SALES> 20000;

Read more about database at:

https://brainly.com/question/15334693

HELP FOR JAVASCRIPT: 01. What is prototypical inheritance? 02. How can JavaScript be used to improve accessibility on the web? I've heard focus management can help?

Answers

Answer:

Following are the answer to this question:

Explanation:

Prototypical inheritance:

This inheritance is a part of the object-oriented programming, in the JavaScript, the prototype is also an instance of an entity, on this type of inheritance an object inherits another object directly, in which an instance could be composed of several sources which enable simple selective inheritance and a flat structure of delegation[[Prototype]].

Web accessibility using JavaScript:

In the website or web page, JavaScript is usually fully accessible if another script 's implementation has been device-independent, and the components are accessible to be used in assistive devices. It enables the developers to improve web page information, which helps in communication, data processing, and regulation, and it also helps in management.

What is the HIPAA Privacy rule, and why does it affect IT professionals?
a law that prevents doctors from keeping patient records, which protects the medical rights of IT professionals
a law that explains how passwords should be protected, which must be followed by IT professionals
a law that mandates that medical records be kept electronically, which will be managed by IT professionals
a law that protects patient records, which states they can only be viewed by certified IT professionals

Answers

Answer:

a law that protects patient records, which states they can only be viewed by certified IT professionals

Explanation:

The HIPAA Privacy rule address disclosure of individuals’ health information by health care providers, medical insurers who transmits health information in electronic form.

The Privacy Rule protects all individuals health information held or transmitted  in any form or media, such as electronic, paper, or oral. Privacy Rule is to defines the situation in which an individual’s protected heath information may be disclosed except if the Privacy Rule permits or the individual authorizes in writing

Answer:

a law that mandates that medical records be kept electronically, which will be managed by IT professionals

Explanation:

C IS RIGHT ON edg 2021

differentiate between analogue and digital devices​

Answers

Answer:

In analog technology, a wave is recorded or used in its original form. So, for example, in an analog tape recorder, a signal is taken straight from the microphone and laid onto tape. ... In digital technology, the analog wave is sampled at some interval, and then turned into numbers that are stored in the digital device.

Explanation: Got it from google. hehe

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ChromatographyReset Selection A 16-inch diameter (8-inch radius) car tire is one of the most popular sizes for today's car Find the number of revolutions made by a tire with a radius of 8inches that travels 5,280 feet (or 1 mile). Use 3.14 for T. Round your answer to the nearest tenth of a revolution. (Hint: Be sure to use the same unit ofmeasurement.)none of these260.9 revolutions8.8 revolutions1261.3 revolutions One million argon atoms is how many mol of argon atoms? (2 significant figures) On January 1, Year 1, a company issues $39.1 million of 9% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. The proceeds will be used to build a new ride that combines a roller coaster, a water ride, a dark tunnel, and the great smell of outdoor barbeque, all in one ride.If the market rate is 8%, calculate the issue price. (FV of $1, PV of $1, FVA of $1, and PVA of $1) (Use appropriate factor(s) from the tables provided.Bond CharacteristicsAmountFace amountInterest paymentMarket interest ratePeriods to maturityIssue priceA. If the market rate is 9%, calculate the issue price. (FV of $1, PV of $1, FVA of $1, and PVA of $1).Bond CharacteristicsAmountFace amountInterest paymentMarket interest ratePeriods to maturityIssue price If the market rate is 10%, calculate the issue price. (FV of $1, PV of $1, FVA of $1, and PVA of $1).Bond CharacteristicsAmountFace amountInterest paymentMarket interest ratePeriods to maturityIssue price The article "A Shovel with a perforated blade reduces energy expenditure required for digging wet clay" (Human Factors, 2010:492-502) reported on an experiment in which each of 13 workers was provided with both a conventional shovel and a shovel whose blade was perforated with small holes. The authors of the cited article provided the following data on stable energy expenditure (measured in kilocalories per kg of subject per pounds of clay): 1 2 3 4 5 6 7 8 9 10 11 12 13 Worker Conventional 0.0011 0.0014 0.0018 0.0022 0.001 0.0016 0.0028 0.002 0.0015 0.0023 0.0017 0.002 0.0014 Perforated 0.0011 0.001 0.0019 0.0013 0.0011 0.0017 0.0024 0.002 0.0013 0.0017 0.002 0.0013 0.0013 Carry out a test of hypotheses at significance level 0.05 to see whether the true average energy expenditure using the conventional shovel exceeds that using the perforated shovel. (hint: this is a paired-design!). Make sure to calculate a p-value! What is the missing number in the pattern? Please Help. Been stuck on this for hours. SOMEONE PLEASE HELP ME ASAP PLEASE!!! 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