Binary & ASCII

11111 can be read as what decimal number?

• 31
• 10
• 18
• 63

10 can be read as what decimal number?

• 10
• 1
• 4
• 2

Binary is:

• a system using the digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
• the most common format for text files in computers and on the Internet

ASCII is:

• a numerical system that has 2 rather than 10 as a base.
• the most common format for text files in computers and on the Internet

ASCII was developed in what decade?

• 1950s
• 1960s
• 1970s
• 1940s

ASCII is pronounced:

• Ask-ee
• A-skee
• A-skews-me

True or False: In an ASCII file, each alphabetic, numeric, or special character is represented with a 7-bit binary number (a string of seven 0s or 1s).

• True
• False

Convert 65 to binary

• 1000001  
• 1000010
• 1000011
• 1100010

Convert 1000001 its decimal value

• 65
• 64
• 66
• 32

What letter does 0100 0010 represent according to binary code?

• A
• B
• Z
• b