AP Computer Science Midterm

Password

1. What are the binary digits of the decimal 6?

• 00000111
• 00000100
• 00000110
• 00000001

2. A computer scientist is wanting to determine how many different bits can be used in his software he created. So he lists a row of place values 1-9. What did the computer scientist do wrong?

• The scientist did not go beyond 9
• The scientist is not suppose to go up to 9
• The computer scientist did not start with 0.
• Nothing, he did it just right.

3. Johnny was tired of using wired chargers for his phone. So he created his a sketch of his own personal wireless charging pad. This is an example of a

• Prototype
• Innovative Prototype
• Innovation
• Bit

4. Which of the following best describes binary?

• A way of representing information using only two options
• A way of presenting information using one option
• A way of repesenting information using eight options
• A way of representing information using four options

5. The single unit of information in a computer, typically represented as a 0 or 1 is a

• Byte
• Bit
• Decimal
• Prototype

6. 8 Bits equal 1 _____________

• Decimal
• Byte
• Prototype
• Exponent

7. Each time we add another bit, what happens to the amount of numbers we can make?

• Nothing
• It doubles
• It triples
• It quadruples

Converting analog audio or video recordings into digital formats (like MP3 for audio or MP4 for video) is a form of

• Digitizing
• Prototyping
• Innovating
• Protype Innovating

19. What is the decimal for the binary digit of 00111000

• 48
• 56
• 52
• 54