Explanation

The QUERY can be used to select data from single and multiple tables.

Single Table Query:

When you want to retrieve data from a single table, you can use a simple SELECT statement.

Multiple Table Query:

To retrieve data from multiple tables, you use a JOIN clause. 

Explanation

Pie charts

• Pie charts are used to show parts of a whole.

• Specifically, pie charts illustrate meaningful relationships between percentages or parts of 100%.

• If the data that we want to display adds up to 100%, a pie chart is the best choice.

• When creating a pie chart, the description of each section is called the category, and the number connected to the category is called the value.

Explanation

Speed, reliability, and accuracy are the characteristics of computers.

Computers are machines having a set of instructions to perform different tasks at a very high speed.

Explanation

A computer's short-term memory is called: RAM (Random Access Memory).

RAM is used to temporarily store data while a computer is running, allowing quick access to information.

Explanation

ZIP is an archive file format that supports lossless data compression.

A ZIP file may contain one or more files or directories that may have been compressed.

Explanation

The File tab is a colored tab, such as the blue tab in Word, located in the upper-left corner.

The F12 key used for 'Save As' 

Explanation

Formulas are equations that perform calculations on values in your sheet.

All formulas begin with an equal sign (=).

You can create a simple formula by using constant and calculation operators.

For example, the formula =5+2*3, multiplies two numbers and then adds a number to the result.

Explanation

Software managers are responsible for:

• Planning software projects: Organizing and scheduling the work.
• Leading development teams: Guiding and overseeing software engineers and teams.
• Managing budgets and resources: Allocating finances and other resources to ensure successful project delivery.

Explanation

Explanation

Traditional telephone lines typically carry analog signals.

When we speak on a traditional landline phone, our voice (which is analog) is converted into electrical signals that travel through the telephone wires.

These analog signals are then transmitted over the telephone network.