Topic 2 - Character Representation

What does ASCII stand for?

• American Standard Code for Information Interchange

• American System Code for Internet Interchange

• Automated Standard Code for Information Integration

• Advanced System Code for International Interchange

Why is a standardized encoding scheme like ASCII necessary?

• To ensure consistent communication between devices

• To make text look fancy

• To increase the speed of typing

• To reduce the size of files

if the letter A is 100 0001 in ASCII, what is the letter C?

• 110 0001

• 100 0011

• 100 0001

• 100 0100

How many different characters can be represented by a character set using 4 bits?

• 16

• 8

• 32

• 4

What is the binary addition needed to find 'E' from 'A'?

• 4

• 3

• 5

• 2

Which of the following is NOT a feature of Unicode?

• Limited to 128 characters

• Supports special symbols

• Includes multilingual characters

• Used globally

What is the bit size of the ASCII character set?

• 7-bit

• 16-bit

• 8-bit

• 64-bit

Which character set will result in smaller file sizes?

• ASCII

• UNICODE

• EXTENDED ASCII

Which character set can represent the greatest number of different characters?

• ASCII

• UNICODE

• EXTENDED ASCII

How is each character in a character set represented?

• By a unique binary number

• By a unique decimal number

• By a unique hexadecimal number

• By a unique letter