Binary and ASCII Review

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

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

A character set is...

• What language can be used in a computer system.
• The fonts that a computer has installed.
• The possible characters that can be represented by a computer system.

ASCII stands for... 

• American Standard Code for Information Interchange
• American Scientific Code for Information Interchanging
• Absolute Standard Codes for Instruction Interchange

How many bits are used in (standard) ASCII?

• 16
• 1
• 7
• 8

The (standard) ASCII code is capable of representing non-European languages.

• True
• False

Upper and lower case letters have a different ASCII code.

• True
• False

How many bits are used in Unicode?

• 8
• 16
• 2
• 32