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Number Base Quiz

Authored by Esther Oluwafemi

Mathematics

9th Grade

Used 1+ times

Number Base Quiz
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following bases is known as the binary system?

Base2

Base8

Base10

Base16

Answer explanation

The binary system is known as Base2, where each digit can only be 0 or 1. Therefore, the correct choice is Base2.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the hexadecimal number system, what digit comes after 9?

10

A

B

F

Answer explanation

In the hexadecimal system, after 9 comes A, which represents the decimal value of 10. Therefore, the digit that comes after 9 is A.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many unique digits are used in the octal (Base8) number system?

7

8

9

10

Answer explanation

In the octal number system, unique digits range from 0 to 7. Therefore, there are 8 unique digits used in the octal system.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the binary system, which of the following represents the number five in decimal?

100

101

110

111

Answer explanation

In the binary system, 101 represents the number five in decimal. Each digit in binary represents a power of 2, so 1*2^2 + 0*2^1 + 1*2^0 = 5.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number base is most commonly used in everyday arithmetic and measurements?

Base2

Base8

Base10

Base16

Answer explanation

Base10 is the most commonly used number base in everyday arithmetic and measurements, also known as the decimal system.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next digit after 7 in the hexadecimal (Base16) number system?

8

9

A

B

Answer explanation

The next digit after 7 in the octal system is 8, as in octal, the digits range from 0 to 7 before incrementing to the next place value.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number base is commonly used in computer science and programming?

Base2

Base8

Base10

Base16

Answer explanation

Base2, also known as binary, is commonly used in computer science and programming due to its compatibility with digital systems and representing data in a simple on/off format.

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