The end-of-file marker is automatically written
a. when a file is opened with ios::eof
b. when a file is opened with ios::app
c. when a file is closed
d. when the program ends
e. None of these
c. when a file is closed
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Which of the following statements about quadratic probing is true (expensive does not include trivial operations such as multiplication or division by powers of 2; computation of the hash function is not included in the cost)?
a. an expensive division must be performed b. an expensive mod operator must be performed c. an expensive multiplication must be performed d. all of the above e. none of (a), (b), and (c)
Which of the following is not a type of VPN?
a. intranet VPN b. extranet VPN c. access VPN d. T-1 VPN e. a VPN that enables employees to access an organization's network from a remote location
_____________ is the ability to add and remove devices to a computer while the computer is running and have the operating system automatically recognize the change.
A. plug and play B. hot swapping C. plug-ins D. modularity E. none of the above
What is the name of the entity that determines when a control break is to occur?
a) key code b) control field c) search key d) break key