Q73.
d
Section
8-2 System component
Answer
Explanation
A benchmark is a standard or reference. Benchmark tests for computer systems are a means
of measuring the execution time of standard programs and comparing/assessing the performance of multiple computers. Program processing time and the volume of processing in a given
amount of time are quantified for assessment and comparison with other computers.
Q74.
a
Section
9-4 Network
Answer
Explanation
By placing a limit on the size of each user’s mailbox, problems with insufficient capacity can
be avoided. At the same time, the total size of the mailboxes can be estimated based on the
number of users.
Q75.
d
Section
7-2 Algorithms and programming
Answer
Explanation
XML is a set of rules based on SGML that enables easy-to-use markup language on the Internet. Users can define their own styles and tags to describe the structure and meaning of data.
Q76.
d
Section
8-3 Software
Answer
Explanation
The first position (\A\B) is ① in the figure.
Proceeding with these rules results in the following:
..go up one level ②
..go up one level (root) with \B,
and go down to \B ③
..go down one level ④ with \A
So the final position is ④.
Root
B①
A
A
51
B③
A②
A
A④
B
B