Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
Answer:
Navigation Tabs
Explanation:
Navigation tab is used to switch between different pages that are shown in navigation tab. It is not used to navigate through the document.
Scroll bar is used to navigate through the document line by line. It has been shown on the right side of the document to move up and down the page.
Next page and previous page button used to navigate between pages of the documents.
An HTML is made up of several individual tags and elements such as the head, body. form, frame and many more.
In an HTML page, the meta element and the title element are placed in the head element.
An illustration is as follows:
<em>< head >
</em>
<em>< title > My Title < /title ></em>
<em> < meta charset="UTF-8" >
</em>
<em>< / head ></em>
<em />
The head element contains quite a number of elements and tags; some of them are:
- meta
- title
- style
- script
- base
And so on.
Hence, in order to use a meta-data element, the meta element has to be placed within the head element.
Read more about HTML elements at:
brainly.com/question/4484498
Answer:
All options are correct.
Explanation:
All options apply to the question because they all need technology for development and improvement. Scientists needed to develop more technologies in order to attend all their necessities, such as anticipating weather changes, forecasting weather previously, predicting weather behaviour in different places and in one specific place, accounting for reasons and natural resources related to weather changes, and much more. Therefore, technology provides faster and more consistent data for all these informations needed, since all technology tools to study weather were developed according to their specific needs.
Answer:
To convert integer to binary, start with the integer in question and divide it by 2 keeping notice of the quotient and the remainder. Continue dividing the quotient by 2 until you get a quotient of zero. Then just write out the remainders in the reverse order.
Explanation:
