TOPIC 2.2: DATA TRANSMISSIONS

Multiple Choice

What is the definition of bandwidth?

• The transmission speed of computer data

• The volume of data that can be carried over a transmission medium

• The rate of data flow

• The size of a block of data

Multiple Choice

What does a higher bandwidth enable?

• Faster transmission speed

• Larger volume of data to be transmitted

• More logic ones and zeros

• Smaller block of data

Multiple Choice

What is a more accurate measure of the rate of data flow?

• Speed

• Volume

• Carrying capacity

• Compression techniques

Multiple Choice

Which type of conductors can increase bandwidth?

• Coaxial cables

• Fiber optic cables

• Twisted pair cables

• All of the above

Multiple Choice

What does bandwidth refer to in terms of data transmission?

• The volume of data that can be transmitted over a network

• The speed at which data is processed

• The physical size of the data

• The cost of transmitting data

Multiple Choice

How does the type of conductor affect the bandwidth of data transmission?

• Different conductors have no effect on bandwidth

• Some conductors can increase the bandwidth

• Some conductors can decrease the bandwidth

• All of the above

Multiple Choice

What is the term for data transmission that occurs in both directions, but only one direction at a time?

• • Simplex

• • Half-duplex

• • Full-duplex

• • Multiplex

Multiple Choice

A data communication system is made up from hardware, software and communications facilities

• True
• False
• Both
• None

Multiple Choice

The narrow bandwidth, means the less data it can transmit.

• False
• None
• True
• Both

Multiple Choice

It is the transmission of data from one place to another.

• True
• False
• None
• Both

Multiple Choice

Serial transmission is also known as

• mega-byte serial transmission
• binary-code serial transmission
• bit-serial transmission
• serial transmission

Multiple Choice

All the bits of data are transmitted simultaneously on separate communication lines

• In serial transmission
• In communication transmission
• In parallel transmission
• In transfer transmission

Multiple Choice

A data communication system is made up from hardware, software and communications facilities

• True
• False
• Both
• None

Multiple Choice

Can be classified according to narrow.

• True
• False
• None
• Both

Multiple Choice

The narrow bandwidth, means the less data it can transmit.

• False
• None
• True
• Both

Multiple Choice

Data transfer interface could be...

• Parallel and perpendicular
  
• Parallel and serial
• Serial and Continuos

• Serial parallel and continuous

Multiple Choice

Serial transmission is also known as

• mega-byte serial transmission
• binary-code serial transmission
• bit-serial transmission
• serial transmission

Multiple Choice

Parallel transmission is used

• for long distance communication
• for convert the parallel data into serial data
• for short distance communication
• None

Multiple Choice

All the bits of data are transmitted simultaneously on separate communication lines

• In serial transmission
• In communication transmission
• In parallel transmission
• In transfer transmission

Multiple Choice

In order to transmit n bits, n wires or lines are used.

• In parallel transmission
• In serial transmission

Multiple Choice

 In serial transmission, the various bits of data are transmitted serially one after the other.

• True
• False

Multiple Choice

Conversion devices convert the parallel data into serial data at the sender side so that it can be transmitted over single line

• False
• True
• I don't know

Multiple Choice

Characteristics of synchronous exchange

• Past time exchange
• Sender and receiver
• Real time exchange and requester waits for an answer
• None

Multiple Choice

Examples for synchronous exchange

• Movie maker
• Phone call and webservices
• Email and post card
• Photos

Multiple Choice

Characteristic for asynchronous exchange:

• Processes working independiently
• Processes working dependiently
• None
• Both

Multiple Choice

^{This picture represent...}

• Parallel communication
• Serial communication

Multiple Choice

¿Digital or analogue?

• Digital signal
• Analog signal
• None

Multiple Choice

__________ transmission enables moving data bit by bit

• Full duplex

• Asynchronous

• Parallel

• Serial

Multiple Choice

Telephone is an example of ______________

• Half Duplex

• Full Duplex

• Simplex

• a and b

Multiple Choice

_________________ is Perfect for transmitting over longer distances as there are no synchronisation issues

• Serial

• Parallel