1.3 ASCII Extra Practice

How many bits are used in (standard) ASCII?

• 16
• 1
• 7
• 8

Upper and lower case letters have a different ASCII code.

• True
• False

What is the maximum number of values that can be represented in 7 bits?

• 127
• 256
• 65,536
• 128

What is the maximum number of values that can be represented in 8 bits?

• 255
• 256
• 65,536
• 128

Convert 00110011 into its base 10 number.

• 51
• 52
• 150
• 25

Write 45 as a binary number 

• 00101111
• 00011101
• 00101011
• 00101101

Using the ASCII reference chart decipher each message below with your partner.

Convert each of the base 10 numbers to their corresponding alphanumeric symbol.

What is the hidden message?

073 032 108 105 107 101 032 099 111 109 112 117 116 101 114 115 046