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3 years ago

Write code to assign the number of characters in the string rv to a variable num_chars.

Computers and Technology

1 answer:

kramer3 years ago

6 0

Answer:

rv = "hello"

num_chars = len(rv)

print(num_chars)

Explanation:

*The code is in Python.

Initialize the string rv, in this example I set it to "hello"

Use the len() method to get the number of characters in the rv and set it to the num_chars

Print the num_chars

Note that the result will be 5 in this case, because <em>hello</em> consists of five characters

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Pseudocode is an improvement over the IPO chart because it lays out the a0 sequence of steps for a particular program.

Olegator [25]

Answer:

Yes. Pseudocode is an improvement over the IPO chart because it lays out the sequence of steps for a particular program

Explanation:

The input–process–output (IPO) chart is a widely used approach in systems analysis and software engineering for describing the structure of an information processing program or other process. The chart has three components (Input, Process and Output), and you write the description of each component in plain English, not code or mathematical formulas.

Pseudocode is a procedure for solving a problem in terms of the actions to be executed and the order in which those actions are to be executed.

Pseudocode is an improvement over the IPO chart because it shows the step by step sequence to be followed by a particular program unlike the IPO chart which just break the program into Input, Process and Output.

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3 years ago

The first step to changing lanes is

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It’s obviously C.Signaling your intent by using your blinkers also known as the lights at the back of your car!

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3 years ago

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What programming language supports relational databases?

WINSTONCH [101]

A programming language that supports relational databases is SQL (Structured Query Language)

Structured Query Language (SQL), is the principal method for communicating with Relational Databases.

A relational database is a group of data elements that are linked together by predefined connections. These elements are laid up in the form of a series of tables containing columns and rows.

Tables are utilized for storing data about the items that will be displayed in the database.
A column in a database contains a specific type of data, whereas a field records the actual value of an attribute.
The table's rows indicate a collection of linked values for a single item or entity.

Each entry in a database can be assigned a unique identity known as a primary key, and rows from other tables can be linked together via foreign keys. This data may be accessible in a variety of ways without having to reorganize the database tables itself.

Learn more about Relational Databases here:

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2 years ago

When youre working with a word processing document and you press the Del key what happens

REY [17]

Typically, "Del" stands for "delete."
Most times, this key will do different things depending on the type of keyboard/computer you have. For example, on macs, the "delete" key is also the backspace key, so it will delete the last character you typed. However, on most pcs, the "delete" key will delete characters you typed that are in front of your cursor.

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3 years ago

Thomas would like to know when is the best time of the season to plant his tomato seeds. Which type of informational reference s

kenny6666 [7]

In this question, the options are missing. Here is the complete question:

Thomas would like to know when is the best time of the season to plant his tomato seeds. Which type of informational reference should he use?

A. Encyclopedia

B. Atlas

C. Almanac

D. Any of these

The correct answer is Almanac

Explanation:

Knowing the season or month to plant specific seeds is a relevant factor that can determine whether a plant grows and thrives. Because of this Thomas needs accurate and complete information about the best time of the year to plant tomatoes. This information can be found in an almanac because almanacs include planting dates for different plants as well as weather forecasts and other important events that can affect agriculture. Moreover, this informational reference provides information about the current year, which makes it to be updated in the topics it covers.

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3 years ago