The primary source of error in data communications is:

a. echoes
b. intermodulation noise
c. spikes
d. attenuation
e. cross-talk


Ans: c. spikes

Computer Science & Information Technology

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Consider the following Visual Basic statements:

``` Dim nums(4) As Double For index As Integer = 0 To 4 nums(index) = 1 + (index * 2) Next ``` What values are placed in the array by the above statements? (Show each element of the array and the value for that element.)

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This computer has a block of 32?bit?wide 512 KB of memory built using 64 Kbit static RAM chips that are each 4 bits wide. How many RAM chips are required to implement the memory?

What will be an ideal response?

Computer Science & Information Technology

If the derived class classD overrides a public member function functionName of the base class classB, then to specify a call to that public member function of the base class, you use the statement ____.

A. classD::functionName(); B. classB::functionName(); C. classD.functionName(); D. classB.functionName();

Computer Science & Information Technology

Providing value to a _____ is the primary goal of any organization. 

A. stakeholder B. product C. competitor D. service

Computer Science & Information Technology