Understanding Digital Media Fundamentals

What is the primary unit used to measure digital sound?

• Decibels

• Hertz

• Pixels

• Bytes

Which of the following is a characteristic of ASCII?

• It uses 16 bits per character

• It can represent 256 characters

• It is used for image compression

• It is a 7-bit character encoding standard

What is the binary representation of the denary number 10?

• 1010

• 1100

• 1001

• 1110

How many bits are used in extended ASCII?

• 7 bits

• 8 bits

• 16 bits

• 32 bits

What is the term for the smallest unit of a digital image?

• Byte

• Pixel

• Bit

• Frame

Convert the binary number 1011 to denary.

• 9

• 10

• 11

• 12

Which of the following is NOT a property of digital sound?

• Frequency

• Amplitude

• Colour

• Bit rate

What is the denary equivalent of the binary number 1111?

• 14

• 15

• 16

• 17

Which of the following is a common file format for digital images?

• MP3

• JPEG

• WAV

• TXT

What does each pixel in a digital image represent?

• A sound wave

• A single colour

• A character

• A byte