ASCII

The four-bit binary number for 1 is 0001. What is the four-bit binary number for 6?

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

How is the number system we use everyday different from the binary system?

• Our number system is base 5; the binary system is base 3

• Our number system is base 10; the binary system is base 2

• Our number system is base 10; the binary system is base 1

• Our number system is base 100; the binary system is base 2

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

The base 8 number system (called "octal") uses the digits 1-8 to represent numbers.

• True
• False

What is the base of the hexadecimal number system?

• Base 2

• Base 8

• Base 12

• Base 16

How many digits are used in the decimal (also called denary) number system?

• 2

• 9

• 10

• 16

What is the largest number that can be represented by 2 bytes of binary data?

• 1,023

• 65,535

• 131,071

• 131,072

In the base 7 number system, the digit in the third place from the right represents which place value?

How many place values are required to represent the number 1000 in binary?