Understanding Data Representation and Abstraction - Pt1

What is the smallest unit of data in computing?

• Byte

• Bit

• Nibble

• Word

Which of the following is an example of abstraction in computing?

• Using a byte to represent a character

• Storing data in a variable

• Using digital data to approximate real-world analog data

• Grouping bits to form a number.

Which of the following is an example of analog data?

• Binary code

• Pitch and volume of music

• Text files

• Digital images.

What is the term for measuring values of an analog signal at regular intervals?

• A) Sampling

• B) Quantizing

• C) Encoding

• D) Modulating

Which of the following is an example of using bits to represent data?

• Using a byte to store a number

• Using a bit to store a character

• Using a bit to store a color

• Using a byte to store a sound.

The place value of each position in a binary sequence is determined by the base raised to the power of the position. True or False?

• True

• False

Decimal (base 10) uses only combinations of the digits ________.

• 0-9

• 0-1

• 1-9

• 0-8

In the context of binary numbers, what does DAT-1.C focus on?

• Calculating binary equivalents

• Writing binary poetry

• Drawing binary art

• Singing binary songs

What is the base used in a decimal system?

• 2

• 10

• 8

• 16

As with decimal numbers, what does a digit's position in a binary sequence determine?

• It determines its numeric value

• It determines its color

• It determines its size

• It determines its speed