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WorksheetsComputer Network(Unit-1)
Total questions: 10
Worksheet time: 6mins
Data is referred to as a piece of information formatted in a special way.
True
False
Data communication refers to the movement of decoded information from one point to another by means of electronic transmission system.
True
False
Communications between devices are justified for the following reasons-
Captures business data at its source
Supports expansion of business capacity at reasonably incremental cost as the organization
Supports improved management control of an world wide.
Identify the Image
Types of Data Communication
Phases of Data Communication
Components of Data Communication
The transmitter a device used to convert the data as per the destination requirement. For example a modem, converts the analog (telephonic) signal to digital (computer) signals and alternatively digital to analog.
True
False
The transmission medium examples are:-
copper wires
optical fibers
wireless communication channels
The effectiveness of data communications system depends on four fundamental characteristics
Delivery
Accuracy
Jitter
Timeliness
Most networks use distributed processing, in which a task is divided among single computers.
True
False
Distributed computing is a field of computer science that studies distributed systems.
True
False
Three significant characteristics of distributed systems are
concurrency
lack of a global clock
independent failure of components
dependent failure of components
