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Understanding Data Transmission Concepts

Authored by Thomas Bui

Information Technology (IT)

9th Grade

Understanding Data Transmission Concepts
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a data packet?

A data packet is a formatted unit of data for transmission over a network.

A data packet is a type of computer virus.

A data packet is a physical device used for networking.

A data packet is a software application for data analysis.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of packet switching.

Packet switching is a method of data transmission that sends entire files at once.

Packet switching requires a dedicated connection for each data transfer.

Packet switching is a method of data transmission that breaks data into packets, which are sent independently over a network and reassembled at the destination.

Packet switching is only used in wireless networks.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are transmission channels?

Transmission channels are the devices that store data.

Transmission channels are the mediums through which data or signals are transmitted.

Transmission channels refer to the software used for data processing.

Transmission channels are the protocols that define data formats.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Differentiate between serial and parallel transmission.

Serial transmission sends multiple bits at once; parallel transmission sends one bit at a time.

Serial transmission is faster than parallel transmission; parallel transmission is slower.

Parallel transmission is used for long distances; serial transmission is for short distances.

Serial transmission is one bit at a time; parallel transmission is multiple bits at once.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does USB stand for?

Universal Serial Bus

Universal System Bus

Universal Serial Connection

Unified Serial Bus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a checksum work?

A checksum is used to enhance data speed.

A checksum is a value derived from data used to verify its integrity.

A checksum is a type of encryption for data security.

A checksum is a method for compressing data.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a parity bit used for?

To format the data for storage.

To increase data transmission speed.

To encrypt the data being sent.

A parity bit is used for error detection in data transmission.

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