Understanding Binary and Python

What is the binary number system?

• The binary number system is a base-10 numeral system that uses digits 0-9.

• The binary number system is a base-2 numeral system that uses only 0 and 1.

• The binary number system is a hexadecimal system that includes letters A-F.

• The binary number system is a base-3 numeral system that uses 0, 1, and 2.

How many digits are used in binary?

• 3

• 4

• 8

• 2

Why do computers use binary?

• Computers use binary because it simplifies data representation and processing using two states.

• Computers use binary to reduce the size of physical components.

• Computers use binary because it is easier for humans to understand.

• Computers use binary to increase the number of states available for processing.

What are the two digits used in binary?

• A and B

• 0 and 1

• -1 and 0

• 2 and 3

How does understanding binary help in programming?

• Understanding binary helps in programming by providing insight into how data is processed and represented in computers.

• Binary is not relevant to modern programming languages.

• Understanding binary is only useful for hardware design.

• It helps in writing comments in code.

What is the binary representation of the decimal number 15?

• 1111

• 1110

• 1010

• 1001

Convert the binary number 10111111 to denary.

• 127

• 255

• 63

• 191

Convert the binary number 10010101 to denary.

• 145

• 128

• 150

• 149

Convert the binary number 11110011 to denary.

• 128

• 243

• 255

• 192

Convert the binary number 10010011 to denary.

• 147

• 130

• 145

• 150