Understanding ASCII

What does ASCII stand for?

• Advanced Standard Code for Information Interchange

• American System Code for Internet Interchange

• American Standard Code for International Interchange

• American Standard Code for Information Interchange

How many bits does ASCII use to represent each character?

• 6 bits

• 8 bits

• 7 bits

• 5 bits

Answer explanation

ASCII uses 7 bits to represent each character. This allows for a total of 128 different characters to be encoded (2^7 = 128).

What is the ASCII code for the letter 'A'?

• 49

• 72

• 65

• 97

Answer explanation

The ASCII code for the letter 'A' is 65. Each character has a unique ASCII code, and 'A' corresponds to 65 in the ASCII table.

Which of the following characters has the ASCII code 32?

• Exclamation mark '!'

• Letter 'H'

• Space

• Question mark '?'

Why is ASCII important?

• It allows computers to represent and manipulate text.

• It is used to encode images.

• It is a programming language.

• It is a type of hardware.

Answer explanation

ASCII is important because it allows computers to represent and manipulate text, making it essential for encoding characters and facilitating communication through text-based applications.

What is the ASCII code for the letter 'o' in the word 'Hello'?

• 108

• 72

• 111

• 101

Answer explanation

The ASCII code for the letter 'o' in the word 'Hello' is 111. Each character in ASCII is represented by a unique number, and in this case, 'o' corresponds to 111.