Internet | MCQs

Explanation

DSL (Digital Subscriber Line) enables internet access by transmitting digital data over the wires of a local telephone network.

DSL uses existing copper telephone lines and separates voice and data signals through different frequency bands.

It provides high-speed internet and offers advantages such as wide availability, cost-effectiveness, and an always-on connection.

Explanation

MP4 (MPEG-4 Part 14) is a widely used container format for transmitting streaming videos online.

It supports various codecs, including H.264, which is known for its efficient compression and compatibility with most devices. 

Why other options are incorrect:

AVI (Audio Video Interleave):

While AVI is a common video format, it's not as optimized for streaming as MP4.

It can be larger and less efficient for online delivery. 

WMA (Windows Media Audio):

WMA is primarily an audio format, not designed for video streaming. 

WAV:

WAV is a pure audio format used for high-quality recordings.

It's not suitable for streaming video. 

Explanation

To connect to the internet, you need:

• Internet Service Provider (ISP): a company that provides access to the internet.
• Internet connection: a link between your device and the ISP's network.
• Modem: a device that modulates and demodulates signals to transmit data over the internet connection.

Explanation

WWW is an information system.

World Wide Web (WWW): the leading information retrieval service of the Internet (the worldwide computer network).

Explanation

A web page can be viewed with the help of a web browser and active internet.

 A web page refers to a hypertext document on the World Wide Web.

They are delivered by a web server to the user and are displayed in a web browser.

Explanation

HTML is used to create a web page

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HTML is an abbreviation for Hypertext Markup Language

(HTML) is the standard markup language for documents designed to be displayed in a web browser.

ND22-7-2023

Explanation

Differentiate between network and internet.

Network: A network is a group of interconnected computers or devices that can share resources and information, typically within a local area (LAN) or wide area (WAN).

Internet: The internet is a global network of networks that connects millions of private, public, academic, and governmental systems, enabling worldwide communication and information sharing.

Explanation

A dial-up connection uses a phone line directly connected to a modem to access the internet.

It functioning through analog signals over telephone lines.

Explanation

Cyber Unit of police has been established to curb following crimes and fraud

SIMs, 

Internet 

Chips

__________________

cybercrime, also called computer crime, the use of a computer as an instrument to further illegal ends, such as committing fraud, trafficking in child pornography and intellectual property, stealing identities, or violating privacy.

Explanation

YouTube launched in 2005.

Note: Both Google & YouTube are owned by Alphabet, Inc.