Introduction to Data Representation

What is the binary system used for?

• Playing games

• Drawing pictures

• Counting fingers

• Representing data using only two symbols

In the binary system, what are the two symbols used to represent data?

(a)  

• 0 and 1
• A and B
• True and False
• Yes and No

How many fingers do you need to count in binary before reaching 10?

Mathematical Equivalence

ON

What does the digit '1' represent in the binary system?

(a)  

• No value
• off
• On
• two

How is data stored on computers using the binary system?

• Data is stored as a series of 1s and 0s
• Data is stored in decimal format
• Data is stored as a series of letters
• Data is stored in hexadecimal format

What is a group of 8 binary digits called?

(a)  

• Byte
• Bit
• Nibble
• Megabyte

How do computers use the binary system to represent colors?

• By using different combinations of 0s and 1s

• Colors are represented by the frequency of binary pulses
• Binary system is not used in color representation in computers
• Colors are represented by the amplitude of binary waves

What does '01001000' represent in binary?

• 72
• 80
• 64
• 56

What is the binary equivalent of the decimal number 6?

• 110
• 101
• 100
• 111

How do you count from 0 to 15 using 4 binary digits?

• Using hexadecimal numbers
• Using octal numbers
• By adding 1 to each previous binary number starting from 0000
• By multiplying each binary number by 2