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Bess [88]
3 years ago
10

Using the notation exemplified in following question , list a set of tables and attributes (and identify keys) to represent the

following data:
In a very simple school database, students have a student ID and a name. Each student has only one advisor (who has an ID and a name). Each advisor advises many students. Students take many courses. Each course has an ID, a name, and the number of credits. The database also stores when a student took a course (the semester/year) and his/her final grade for that course (on that semester).

Computers and Technology
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

Entities are - Students, CourseList, Advisor and CourseSelection.

Explanation:

The database is structure is designed using Crow Foot Database Notation as attached

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The History feature of a browser enables you to retrace your browsing history over a short period of time. (1 point) True False
Elena-2011 [213]

The statement that the History feature of a browser helps in retracing browsing history over a short period of time is True.

<h3>What is a browser?</h3>

A browser can be regarded as an computer application that is used in surfing the internet.

One of the features of a browser is the history tab which helps to retrace your browsing history over a short period of time.

Learn more about browsers at;

brainly.com/question/24858866

6 0
2 years ago
Vivian wants to increase the storage capacity of her computer. Which components should she upgrade?
Nikitich [7]

Answer:

Hard drive

Explanation:

The hard drive is where the operating system, programs and data reside on (unless the data is saved and backed up elsewhere). An older hard drive that uses platters for reading and writing data to it will be slower than a later model solid state device. Newer hard drives have very fast access speeds compared to older units.

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3 years ago
Describe FIVE significant advantages of web-based applications for an organisation.
masya89 [10]

Answer

There are a lot of advantages of web based applications.

Explanation:

Below are the advantages:

  1. Web based applications can be accessed from device that is connected to the device.
  2. No physical software required to download, install, update or manage which saves a lot of administration work for large companies.
  3. Web based software is compatible with any device or platform. The software is delivered through a browser of the users' choice.
  4. Mobile device applications allow for access to the software when out of the office.
  5. Direct access to latest information for Employees where every they are located.

Apart from these, there are lot more benefits, like quick and easy updates, centralized data where data is secure and easy to backup.  We can reach anybody, anywhere in the world.

Business costs are drastically reduced by spending less time talking to customers over the phone.

Online training can be finished at user's own time and risk.

It's available 24 hours a day, 7 days a week

The software is always up-to-date

8 0
3 years ago
A network technician is able to connect the switches between two offices, but the offices cannot communicate with each other, as
Contact [7]

Answer:

C) Router

Explanation:

In computer networking, the router's function is to stand in between diferent data lines and control the flow of data packets.  When a packet arrives from one direction, it reads the address information in the header to determine its direction. Note that the data lines will contain different IP addressing scheme, so considering the scenario in the above question, since the offices use different IP schemes, a router will serve the purpose of directing data packets to allow communication.

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3 years ago
When sharing a file or folder with someone not in your __________ , you need to input the __________ of the recipient.
Ede4ka [16]
Group, name is the answer
6 0
3 years ago
Read 2 more answers
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