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1- For a pattern P = 10011, and a message D = 10010011011, find, using modulo 2 arithmetic or polynomials, the CRC, then the string T to be transmitted.
2- Suppose the channel introduces errors so that the string 000110110111100 is received. Can the error be detected?
A synchronous TDM multiplexer is to combine 8 digital sources of 7.8 kbps and two analog sources of 4 kHz and 8 kHz, each. Using 8 bit A/D find:
a. The total number of samples per sec for the analog sources, based on the Sampling theorem. b. The total data rate in bps for the analog sources. c. The output data rate of the TDM multiplexers. d. Draw a diagram showing the multiplexer operation
Some companies are beginning to use social networking websites like Facebook and MySpace, to get information about job applicants.
The frequency of the processor is proportional to the voltage at which it is run. Considering only dynamic power, what will be the ratio of the frequency of the second processor to the first one?
State a Turing Machine M that computes the function f: {a, b}* → N, where: f(x) = the unary encoding of max(#a(x), #b(x)).
Organization structures generally used to create a project organization in an enterprise business environment.
Draw a class diagram representing a book defined by the following statement. "A book is composed of a number of parts, which in turn are composed of a number of chapters.
Identify the advantages and disadvantages of using Word to work with graphics, tables, and special formatting functionality. Provide specific examples.
Is ther a way you could modify the addressing properties of the workstations at each small office remotely, without having to visit those offices? Why or Why not?
Write down the benefits and disadvantages of configuration in binary file called registry.
Identify and briefly describe the online services provided by the selected companies (e.g. online catalogue search, online information search.
Find out by means of truth table validity of DeMorgan's theorem for three variables: (ABC)' = A' + B' + C'. Simplify given expressions by using Boolean algebra.
Find the most effective method to find out if attack has been made on computer network?
What is an index number as relates to time series analysis? In a regression of a time series that states data as a function of calendar year, what requirement of regression is violated?
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