Which of the following is true?
a. Pseudocode is used to describe an algorithm.
b. Pseudocode is not an actual computer programming language.
c. Pseudocode is used to describe executable statements that will eventually be translated by the programmer into a program.
d. All of the above.
d. All of the above.
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Records in a sequential file are not usually updated in place. Instead ________.
a. the updated data is placed in a “surrogate” file b. the entire file is usually rewritten c. the file is truncated d. The above statement is false—records in sequential files are usually updated in place.
Which of the following is an advantage of Internet Protocol Version 6 (IPv6) and is not available in Internet Protocol Version 4 (IPv4)?
A. ?IPv6 addresses can be used for television and radio broadcasting. B. ?In IPv6, the router always recalculates a checksum when header fields are altered, such as time to live (TTL) or hop limit. C. ?IPv6 uses 32-bit addresses, whichallows for 232 possible unique addresses. D. ?In IPv6,all devices in a home or business are accessible on the Internet directly by their own Internet Protocol (IP) address.
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