7-3
Chapter quiz
*See page 11 in the“Answers and Explanations”booklet for the correct answers.
7-1
Which of the following is the binary number obtained by adding binary number 1111 and
number 101?
a)
b)
c)
d)
7-2
A test consisting of two questions, question 1 and question 2, was given. Among 100 examinees, 65 correctly answered question 1 and 73 correctly answered question 2. At least
how many examinees correctly answered both questions?
a)
b)
c)
d)
7-3
1111
1212
10000
10100
35
38
62
65
In the following Venn diagrams including three areas A, B, and C, which shaded area is
“common to A and B but not C”?
a)
B
c)
C
A
B
d)
A
B
183
b)
A
C
C
A
B
C