Q6-6.
a
Answer
Explanation
The system audit is a comprehensive inspection and evaluation of information systems based
on audit standards. The role of the auditor is to advise about recommendations and measures
for improvements.
Q6-7.
b
Answer
Explanation
Internal control is the mechanism of building a framework so that the company itself can perform its business in a proper way. By dividing the roles of the person who implements work
and the person who approves work, it is possible to effectively reduce the risk that illegal or
unauthorized acts will occur.
Chapter 7 Basic theory
Q7-1.
d
Answer
Explanation
Binary numbers are calculated in the same way as decimal numbers by lining up the digits
and calculating them from the last digit. It is important to remember that 1+1=10 in binary
calculation.
Carry a 1
Carry a 1
Carry a 1
1111
+
101
10100
Q7-2.
b
Answer
Explanation
The number of examinees who answered both questions correctly can be determined based on
the number who correctly answered each question.
(65 persons correctly answered Q1) + (73 persons correctly answered Q2) = 138 persons
If 100 is subtracted for the number of examinees, the number who correctly answered both
questions is 38.
Q1
6 5
Q7-3.
Q2
38
b
73
Answer
Explanation
a): A, B, and C.
c): A and B.
d): A or B, but not C.
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