Two devices used by the supermarket point-of-sale (POS) terminal are a bar code reader and a keyboard. Name two other input/output devices used at the POS and give a use for each device.
Answer:
1. Receipt printer
Use of receipt printer:
i. They are used to print customer transaction receipts for proof.
2. Touch screen monitor
Use of touch screen monitor:
i. Allow record of when, where, price, and other important information about the sale conducted.
Explanation:
A Point of sale (POS) terminal takes record of transactions at the point where a product is purchased or a service is rendered. A barcode reader is a price scanner that is an input device used in a point-of-sale (POS) terminal. The keyboard is also an input device. The receipt printer is an output device since it converts information into a readable format. While only a touch screen monitor among the other devices mentioned above is an input and output device, because of its touch panel and its ability to display information.
Define the terms data and information ??
Answer:
Data is an individual unit that contains raw materials which do not carry any specific meaning. Information is a group of data that collectively carries a logical meaning. Data doesn't depend on information. Information depends on data. It is measured in bits and bytes.
What is the last phase of the website development process?
O A. development
OB.
maintenance
O c. testing
OD. design
Answer:
OB.
maintenance
Explanation:
The last phase is Maintenance, in this stage, the maintenance of the website is done for a limited time period only. Maintenance means updating the contents & design of the website.
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What is the last phase of the website development process?
B. Maintenance ✔
Explanation:
Maintenance is the last phase of the website development process.
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benefits of Internet as method of information transmission
Answer:
The Internet enables effective global communication around the world and has changed the way people socialize and consume media via social networks, and has facilitated teleworking, distance learning and e-learning. The Internet has given rise to new e-commerce companies and industries, and knocked out other traditional players, but also contributed to the development of the IT bubble and burst at the turn of the millennium. To counter piracy of music and movies over the internet, new streaming services have been developed since the 00's and cut out distribution lines. Web magazines and social media have competed with many traditional media, especially the local press, and reduced the labor market for journalists. Social media may have been a tool (but not a catalyst) for revolutions such as the Arab Spring and of significance for an explosive increase in the spread of fake news and misinformation since the 2000s. Social media is believed to have had an impact on election results, but it is debatable whether fake news has had it.
Use the drop-down menus to complete the sentences describing the important ideas in Hess's theory. Hess expanded on Wegener's theory of continental drift . Hess proposed the idea that are places where crust is created.
Answer:
Following are the solution to the given question:
Explanation:
The hypothesis of continental drift from Wegener; Stein suggested that crust was formed within mid-ocean crises.
The first one is mainland drift, and the second is mid-ocean ridges. You have taken the test Use the dropdown menu to type out the phrase that describes Hess's theory as true major ideas.
Wegener's hypothesis of plate tectonics was expanded by Hess. Hess suggested that crust is produced in the mid-ocean ridges.
Answer:
Continental drift
mid-ocean ridges
Explanation:
1.can you identify the materials needed in making simple circuit???
2.what is the use of each material
in making simple circuit???
Explanation:
Small light bulb (or a flashlight bulb): To detect the power supply through the circuit.Wire (of suitable length and ampere specifications): To connect the electrical elements for the supply of power as electric current. Bulb holder: To mount the bulb, connecting it to the power source.Battery with the appropriate voltage for the light bulb: As a source of electric power. Two alligator clips: To connect the wire-terminals of the circuit to the terminals of the battery. Electrical tape: To insulate the wire joints/connections at any point. Switch: To toggle the power supply in the circuit.suggest a reason why it was constructed there?
How to fix my pc from this
Answer:
Restart it
Explanation:
Answer:
break it and throw it away
Explanation:
cuz why not
que significa DESFRAGMENTAR EL DISCO DURO?????
Answer:
DESFRAGMENTAR
Explanation:
es el proceso de reorganizar los datos almacenados en el disco duro para que los datos relacionados se vuelvan a juntar, todos alineados de manera continua.
pls any one what is pheumatic and hydrautic
Answer:
pheumatic is a branch of engineering that make use of gas
hydraulic is a technology and aplied science using engineering
CorpServ is a small company with 14 client systems and a network printer. Because there are only a limited number of networked systems, you decide to use APIPA addressing for the network. With APIPA configured, all systems are able to communicate with each other, but you are having trouble configuring Internet access. What is the likely cause of the problem
Answer: Private addresses cannot directly communicate to hosts outside the local subnet.
Explanation:
Automatic Private IP Addressing (APIPA) allows assigning an IP address by a computer system automatically when there's no availability of a Dynamic Host Configuration Protocol (DHCP) server to perform the function.
Since after the configuration of the APIPA, all systems are able to communicate with each other, but there's trouble configuring Internet access, then private addresses cannot directly communicate to hosts outside the local subnet.
What is machine level language ?
Explanation:
The machine-level language is a language that consists of a set of instructions that are in the binary form 0 or 1. As we know that computers can understand only machine instructions, which are in binary digits, i.e., 0 and 1, so the instructions given to the computer can be only in binary codes.
QUESTION 10
Twenty first century learning environments promote:
O A. effective learning
B. continuous learning
O c. positive human relationships
OD. all of the above
O E. integration of formal and informal learning
Answer:
D
Experts say 21st century learning must take place in contexts that “promote interaction and a sense of community [that] enable formal and informal learning.”i Thus, this paper will address the relationship of physical spaces and technological systems to learning, but more importantly, it will also consider how those
Explanation:
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Create the following dataframe Student from dictionary of series and display
the details of each student. (row wise).
Name Subject Marks
1 Anjan English 78
2 Shreya Science 87
3 Meena Science 81
4 Karan Maths 91
Answer:
import pandas as pd
pd.Dataframe(information)
Explanation:
Given :
Name Subject Marks
1 Anjan English 78
2 Shreya Science 87
3 Meena Science 81
4 Karan Maths 91
information = { 'Name' : ['Anjan', 'Shreya', 'Meena', 'Karan'], 'Subject' : ['English', 'Science', 'Science', 'Maths'], 'Marks' : [ 78, 87, 81, 91]}
The information in the table can be embedded in dictionary list as given above.
Using the pandas library in python :
The Dataframe method in pandas will create the table as shown by putting the variable as an argument in the DataFrame method.
Cora is writing a program to make a motorcycle racing game. If Cora wants to speed of the motorcycle to appear on the screen when the game is played, then Cora needs to add something to the code that will make the speed
Answer: C. Boolean value
Explanation:
The options are:
A. input
B. output
C. Boolean value
D. conditional statement
Boolean data type refers to the data type which possesses two values which are true and false which shows two truth values of values.
The boolean expression results in a boolean value. Based on the question given, then the answer will be Boolean value. Therefore, the correct option is C.
Answer:
c
Explanation:
sorry if I was wrong
Complete the sentence
A _______ spans a geographic area like a city,is larger than a LAN and smaller than WAN
Answer:
metropolitan area network (MAN)
Explanation:
A local area network (LAN) refers to a group of personal computers (PCs) or terminals that are located within the same general area and connected by a common network cable (communication circuit), so that they can exchange information from one node of the network to another. A local area network (LAN) is typically used in small or limited areas such as a set of rooms, a single building, school, hospital, or a set of well-connected buildings.
On the other hand, a metropolitan area network (MAN) spans a geographic area like a city, is larger than a local area network (LAN) and smaller than wide area network (WAN).
Basically, a metropolitan area network (MAN) is formed by an aggregation of multiple local area network (LAN) that are interconnected using backbone provided by an internet service provider (ISP). A metropolitan area network (MAN) spans for about 5 kilometers to 50 kilometers in size.
What is the best way to improve an online search?
A. use detailed keywords
B. use a single keyword
C. avoid keywords
D. re-order the keywords
Answer:
A. use detailed keywordsExplanation:
[tex]{{hope it helps}}}[/tex]
How do you reset a g.mail password?
Answer:
put: forgot password to reset it
Answer:
Change your pass word
Open your Go ogle Account. You might need to sign in.
Under "Security," select Signing in to G oo gle.
Choose Password. You might need to sign in again.
Enter your new password, then select Change Password.
_________________________ are people, places, and materials, either printed or non-printed, that can provide answers to inquiries.
Answer:
Information/knowledge resources
Explanation:
The process of looking for answers to questions that will lead to improved knowledge about a subject is known as an inquiry. The theories of enquiry includes abduction, induction, and deduction
An inquiry can provide the reasoning behind observation by making use of the theories of inquiry and sources that provide answers (information) about the (interrelated) events of the inquiry
Therefore, information and knowledge resources are the people, materials, and places, which can be in the printed, verbal, appearance form that have the capacity to proffer answers to inquiries
What is a header row?
O the title of a document when it is centered
O the top row of a table that shows titles for the cells below
O the bottom row in a table that shows sums of numbers in cells
O the hidden space at the top of each page
Please help ASAP taking unit test
Answer:
b. the top row of a table that shows titles for the cells below
Explanation:
A header row is the first row of a given table that shows titles of the cells below it. In many cases, the header row has different styles from the other rows in the table. A header row can be found in, among others, both Microsoft's Excel and Word applications.
In the attached figure, the first row with a darker shade of background color is the header row for the table.
What is missing in this list of information needed to cite a book?
Author, title, date, publisher
A. page numbers
B. author’s name
C. city and state where it was published
D. author’s sources
Answer:
C. City and state where it was publishedExplanation:
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The one that is missing in the list of information given is author’s sources. The correct option is D.
What is citation?A "citation" is the way you tell the readers that some of the information in your work came from another source.
It also provides your readers with the information they need to locate that source on the reference or Works Cited page. A citation must be enclosed by parentheses.
It properly credits the authors of the phrases or concepts that you used in your paper. It enables those reading your work to find your sources and learn more about the ideas you present in your paper.
In the given list to cite a book, i.e. Author, title, date, publisher, the one that is missing and should be incorporated is author's source.
Thus, the correct option is D.
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is solar energy reliable and powerful enough to be used in home or business
Answer:
It all depends on what you are prepared to spend and what sort of system you install. I have both grid tie and stand alone systems installed at my home, and both work really well, although we initially had some inverter problems with the grid tie system until we decided to only use top shelf gear.
We have 6.6 kW grid tie system on the roof of the house which supplies around 3 times our requirements, and a 1.5 kW stand alone system that supplies the backyard workshop and pool pump. The grid tie system cost around $6500 to install, and the small stand alone system cost $4500 although this was designed and built by myself, so a purchased system may well be more (batteries are still expensive, but this price is coming down).
In the current configuration (top tier panels, Fronius grid tie inverter and Victron stand alone inverter and charge regulator), we have had no failures in several years, and power bills are something that happen to other people.
My advice is look at what your requirements are, then double that when you spec out your system and don’t go for the cheapest price. Buy your components based on the quality and reputation of the manufacturer, it will be expensive, but you will save money in the long run. A good manufacturer will guarantee their products for at least 12 years and you should expect to get at least 20 years of life out of them.
Explanation:
Solar energy is more than enough for any business or home, but if you want to know if it is cost effective, you need to run the numbers. It does have to be grid-tied though to provide electricity at night or when cloudy for multiple days. In most cases, batteries are not cost-effective at this time.
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rem wap a programe using function procedure to calculate simple interest
Answer:
The program in Python is as follows:
def interest(P,R,T):
[tex]I = P * R * T/100[/tex]
return I
P = float(input("Principal: "))
R = float(input("Rate (%): "))
T = float(input("Time (years): "))
print(interest(P,R,T))
Explanation:
Required
Simple interest program using function
This defines the function
def interest(P,R,T):
This calculates the simple interest
[tex]I = P * R * T/100[/tex]
This returns the calculated interest
return I
The main begins here
These get inputs for principal, rate and time
P = float(input("Principal: "))
R = float(input("Rate (%): "))
T = float(input("Time (years): "))
This calls the interest function
print(interest(P,R,T))
HELPPPP easy question
Your friend brags, "It was easy to trying to beat the computer in the STAX game. I made $100,000 more with my strategy of actively trading those individual stocks. Why would you want to just buy an index fund? It’s so much fun to try to beat the market!" How would you respond?
Answer:
I would tell them " keep that attitude when the market crashes. "
A company has recently adopted a hybrid cloud architecture and is planning to migrate a database hosted on-premises to AWS. The database currently has over 50 TB of consumer data, handles highly transactional (OLTP) workloads, and is expected to grow. The Solutions Architect should ensure that the database is ACID-compliant and can handle complex queries of the application.
Which type of database service should the Architect use?
A. Amazon Redshift
B. Amazon DynamoDB
C. Amazon Aurora
D. Amazon RDS
Answer: Amazon Aurora
Explanation:
Amazon Aurora is a fully managed service which is vital in saving time through the automation of time consuming tasks like recovery, backup, provisioning, patching, repair, and failure detection.
Amazon Aurora also allows the encryption of databases through the use of keys that are managed through the AWS Key Management Service. Therefore, based on the information given the question, type of database service that the Architect should use is Amazon Aurora.
who was dobri dobrev?
Answer:
Dobri Dimitrov Dobrev, better known as Grandpa Dobri, Elder Dobri or The Saint of Bailovo, was a Bulgarian ascetic who walked over 20 kilometres each day to sit or stand in front of the Cathedral of Alexander Nevsky in Sofia to collect money for charitable causes.Answer:
He was bulgarian ascetic who walked over 20 kilometres each day to sit or stand in front of the Cathedral of Alexander Nevsky in Sofia to collect money for charitable causes. Elder Dobry has been raising money for decades to restore churches throughout Bulgaria.Dobrev donated all the money he collected to charities, orphanages, churches, and monasteries.
Name the error that has happened in the binary addition 0¹01+111=1000
Answer:
overflow error
Explanation:
Sometimes, when adding two binary numbers we can end up with an extra digit that doesn't fit.
All of the following items may be sent via email EXCEPT *
1 point
soft copy attachments
hard copy attachments
web links
web pages
Answer:
hard copy attachments
Explanation:
Communication can be defined as a process which typically involves the transfer of information from one person (sender) to another (recipient), through the use of semiotics, symbols and signs that are mutually understood by both parties.
One of the most widely used communication channel or medium around the world is an e-mail (electronic mail).
An e-mail is an acronym for electronic mail and it is a software application or program designed to let users send and receive texts and multimedia messages over the internet.
The following documents or files such as soft copy attachments, web links and web pages may be sent from one user to another through the use of an email.
However, hard copy attachments cannot be sent via email because they're physical documents and as such requires that they be delivered physically to the recipient.
In conclusion, you can only send soft copy documents that you cannot feel or touch with your hands over the internet and via email. Thus, an email is only designed to accept soft copy documents or files (attachments) but certainly not hard copy documents (attachments) in our technological era.
Write a structured algorithm that prompts the
user to input two numbers. The algorithm should
multiply both numbers and then prompt the
user to enter the answer. The algorithm should
compare the answer entered with that calculated
and output "correct answer" or "incorrect answer"
accordingly. At the start, input how many sums
will be done.
Answer:
Step 1 : Start
Step2 : Input first number, num1
Step3 : Input second number, num2
Step4 : product - - > num1 * num2 (product of num1 and num2)
Step5 : Input product, myanswer
Step6 : comparison - - - > correct or incorrect based on myanswer and product
Step6: print(comparison)
Step7: End
Explanation:
Algorithm is a sequence of instructions a computer is expected to follow to solve a particular problem.
Required :
Two inputs ; num1 and num2
Expected output
Algorithm :
Step 1 : Start
Step2 : Input first number, num1
Step3 : Input second number, num2
Step4 : product - - > num1 * num2 (product of num1 and num2)
Step5 : Input product, myanswer
Step6 : comparison - - - > correct or incorrect based on myanswer and product
Step6: print(comparison)
Step7: End
The two numbers to multiply are entered ; the product is calculated by the program ; the the user inputs his or her own expecteted product ;
Both are compared and the output of the comparison is displayed (either correct oe incorrect)
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