Computer Science - Binary

includes: decimals, binary, computers, etc.

What are 0s and 1s called?

• Bits

• Binary Digits

What are binary digits?

They are like the 'letters' computers write with.

All characters are represented using _________ of bits. A ________ of binary digits represents a number.

Sequences

Convert binary to decimal: 11010

26

Convert binary to decimal: 11111

31

Convert decimal to binary: 13

1101

Convert decimal to binary: 22

10110

What goes in the question mark?

010

How would you write the decimal 3 in binary?

11

A group of eight binary digits is called a...?

example - 00101101

Byte

Here are 24 binary digits. How many bytes are there?

00101101

01000110

11110001

3

A piece of text is 16 bytes long. What is its size in bits?

128

What is a Megabyte (MB) worth?

Millions

What is a Gigabyte (GB) worth?

Billions

What is a Kilobyte (KB) worth?

Thousands

What is a Terabyte (TB) worth?

Trillions

What is the length of this sequence? 

 101

• 3 binary digits

• 3 bits

With every additional bit, the number of possible bit sequences does what?

Doubles

"Electronic devices are built using circuits of interconnected switches that control the flow of electricity."

True or false?

True