Lesson 5 - ASCII Conversion (AUT_2)

Multiple Choice

What does ASCII stand for?

• American Standard Code for Information Interchange

• American System Code for Interchanging Information

• Advanced Standard Code for International Information

• Alternate System Code for Integrated Information

Fill in the Blank

ASCII is a character conversion standard that represents text using....

Multiple Choice

How many characters can be represented in the standard ASCII table?

• 64

• 127

• 256

• 512

Multiple Choice

Which character is represented by ASCII code 32?

• Space

• A

• Z

• @

Multiple Choice

What is the value of "K" on the ASCII Table

• 65
• 80
• 70
• 75

Multiple Choice

How do Computers Communicate?

• Using letters and symbols

• By sending electrical signals

• By using their own language

• By sending light signals

Multiple Choice

Binary allows computers to....?

• Understand only letters

• Solve human language instantly

• Store words in sentences

• Store and manipulate data using a system of switches (ON/OFF)

Multiple Choice

Which of these best describes Binary place value?

• A system where the value of a digit depends on its position

• A system where all digits have the same value

• A system with only two digits

• A system where numbers are randomly arranged

Multiple Choice

What is denary 23 in binary?

• 10101000

• 10110000

• 10111000

• 11000000

Multiple Choice

Convert 200 to 8-bit binary.

• 11001000
• 11110000
• 10101000
• 11001001

Open Ended

Convert ASCII character "C" to binary

Multiple Choice

Which ASCII code corresponds to the letter ‘z’?

• 97

• 98

• 122

• 123

Open Ended

Convert the ASCII code "d" to 8-bit digit

Multiple Choice

Which option lists the simple correct steps to convert ASCII → Binary (8-bit)?

• Convert ASCII to binary by finding the decimal value, then converting that to an 8-bit binary number.
• Convert ASCII to binary by reversing the characters.
• Use a 16-bit binary representation instead of 8-bit.
• Convert ASCII directly to hexadecimal without decimal conversion.

Multiple Choice

When converting binary → denary, which values do you add?

• All place values

• Only values under the 0s

• Only values under the 1s

• Only the largest two values

Multiple Choice

What is 8-bit binary 01100100 in denary?

• 101
• 111
• 110
• 100

Multiple Choice

What is 10101001 in denary?

• 151

• 170

• 169

• 168

Multiple Choice

Which option lists the simple correct steps to convert Binary → ASCII (8-bit)?

• Convert each 8-bit binary to hexadecimal, then use Unicode table to find characters.
• Directly translate binary to Morse code without conversion to decimal.
• Use the ASCII table to convert decimal numbers to binary directly.
• Convert each 8-bit binary to decimal, then use ASCII table to find characters.

Multiple Choice

Convert 00111111 to its ASCII character.

• A

• Space

• ?

• $

Multiple Choice

Convert 01100001 to its ASCII character.

• b
• c
• d
• a

Multiple Choice

What does ASCII stand for

• American Scheme for Colours In the Internet

• Any Set of Characters In the Internet

• All Set Characters In Information

• American Standard Code for Information Interchange

Multiple Choice

What is ASCII for

• a numerical code for letters

• A way of checking binary numbers

• American writing rules

• Chinese letters

Multiple Choice

How do Computers Communicate?

• Using letters and symbols

• By sending electrical signals

• By using their own language

• By sending light signals

Multiple Choice

How many bits does ASCII use for 1 letter?

• 8

• 10

• 2

• 1