Block 2 - ASCII

What is meant by the term 'character set'?

• A collection of characters that a computer recognizes

• A set of numbers used in mathematics

• A group of symbols used in art

• A list of words in a dictionary

What is a character set?

• A collection of characters that a computer recognizes

• A set of rules for writing essays

• A group of numbers used in calculations

• A list of colors in a palette

What types of integers can you represent with binary?

• Only unsigned integers

• Only signed integers

• Both unsigned and signed integers

• Only positive integers

In which decade was ASCII created?

• 1960s

• 1970s

• 1980s

• 1950s

What is the value of 2^7?

• 64

• 100

• 128

• 256

What is the hexadecimal representation of the ASCII character 'm'?

• 6D

• 6E

• 6F

• 70

What is the denary value for the lowercase letter 'a'?

• 97

• 65

• 100

• 50

At what denary value does the capital letter alphabet start?

• 65

• 97

• 100

• 50

Which binary pattern corresponds to the denary value 97?

• 0110 0001

• 0100 0001

• 0111 0001

• 0101 0001

Which character has the denary code 103?

• g

• G

• A

• a