Explanation

A hashtag (#) is not a punctuation mark;

it is a symbol used primarily on social media to tag keywords or topics.

The other options are all punctuation marks used to structure and clarify written text

• comma (,),
• period (.), 
• exclamation mark (!)

.

Explanation

 Leonardo DiCaprio played the male lead in the film Titanic.

The film was released on December 19, 1997 (USA)

The film directed by James Cameron

The film is based on accounts of the sinking of the RMS Titanic in 1912.

Explanation

Modal verbs are auxiliary verbs that express necessity, possibility, permission, or ability.

These verbs are used to indicate various shades of meaning related to the main verb.

Examples of modal verbs include:

• Can 
• Could
• May 
• Might
• Must
• Shall 
• Should
• Will 
• Would

Explanation

Before becoming president, Volodymyr Zelenskyy was a well-known comedian and actor.

He gained fame for starring in the TV series Servant of the People

He is served as the sixth and current president of Ukraine since 2019

Preceded by: Petro Poroshenko

Explanation

The full form of modem is modulator/demodulator.

It is a tangible device.

The main job of the modem is to help the computer to send and receive data by using a telephonic wire.

A hybrid computer uses a modem to convert digital signals from a computer into analogue signals.

Explanation

The layout of slides in a presentation software, such as Microsoft PowerPoint or Google Slides, typically includes placeholders.

Placeholders are pre-defined areas on a slide that are designed to hold specific types of content, such as:

Text (e.g., title, subtitle, body text)

• Images
• Charts
• Tables
• Videos

Placeholders help you create a consistent design and layout throughout your presentation.

Explanation

In MS Word, formatting like margins is not required in a Text Box.

A Text Box is a standalone container that allows you to enter text, and its margins are not affected by the page margins.

You can set individual margins for a Text Box, but they are not necessary.

In a Text Box, you can set individual formatting options, such as:

• Border
• Fill color
• Text alignment
• Font styles
• Size

Explanation

Cosmic rays are high-energy particles, primarily protons and atomic nuclei, that travel through space at nearly the speed of light.

They originate from sources like supernovae and other cosmic events and can reach Earth from outside the solar system.

Explanation

To determine the total amount charged by the internet service provider, we need to consider both the one-time setup fee and the monthly service fee for each customer.

1. The one-time setup fee is $100 per customer, so for c customers, the total setup fee is $100c$.
2. The monthly service fee is $50 per customer. For m months, the total service fee per customer is $50m$. Thus, for c customers, the total service fee is 50cm.

Now, we can combine these two components to get the total charge:

$$text{Total Amount} = text{Setup Fee} + text{Service Fee} = 100c + 50cm$$

Explanation

O.P. Ralhan authored the book "Documents on Punjab."

It contains historical records and information on the region.