Contrast is a tool that photographers use to direct viewers' attention to their subject. There are two types: Tonal Contrast and Color Contrast. TC refers to the difference in tones from the lightest tone to the darkest tone, in other words, the difference in tones from white to gray to black.

Explanation:

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3 0

3 years ago

________ is a record in a relational database.

leonid [27]

The answer that is a record in a relational database is called; A row

<h3>What is a record in relational database?</h3>

In relational databases, a record is defined as a group of related data held within the same structure. Furthermore, we can say that a record is a grouping of fields within a table that reference one particular object.

Now, in relational database, a row is called a record because each row, contains a unique instance of data or key for the categories defined by the columns.

Read more about Relational Database at; brainly.com/question/13262352

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4 0

1 year ago

Access to sensitive or restricted information is controlled describes which of the key communications and information systems pr

Viktor [21]

Answer:

C: Security

Explanation:

Communications and information systems principles need to be, among other things, secure. They need to be able to protect sensitive information from those who intentionally not need to know. Some incident information like voice, networks, and data, are very sensitive and thus, should be secure to the right levels and should comply with privacy laws and data protection.

4 0

3 years ago