Y10_02_P11_Character Sets and ASCII

What is meant by the term 'character set'?

• A collection of characters that a computer recognizes

• A set of numbers used in programming

• A group of images used in design

• A list of words in a dictionary

How do encoding systems that use more bits overcome ASCII's shortcomings?

• By representing more characters

• By using fewer characters

• By simplifying the encoding process

• By reducing the number of bits used

What is the purpose of encoding binary in different ways?

• To save space

• To represent different kinds of information

• To make it faster

• To make it secure

What is the significance of unsigned integers in computing?

• They represent only negative numbers

• They represent only positive numbers

• They represent both positive and negative numbers

• They represent text

Why is it necessary for everyone to use the same encoding scheme for text?

• To ensure everyone can communicate effectively

• To make text look more colorful

• To increase the speed of typing

• To reduce the size of text files

If n is the number of bits, what does 2^n represent?

• The number of patterns

• The number of bytes

• The number of kilobytes

• The number of megabytes

How is the number of unique characters calculated in ASCII?

• Using the formula 2^n

• By adding the bits

• By subtracting the bits

• By dividing the bits

What is the decimal value for the ASCII character '0'?

• 47

• 48

• 49

• 50

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

• 72

• 73

• 74

• 75

Which ASCII character corresponds to the binary code 00111111?

• ?

• @

• #

• &