What does a higher colour depth mean in an image?

It means the image can display more colours and finer details.

It refers to the size of the image file.

It means the image has a lower resolution.

It indicates the image is in black and white.

Increasing image resolution will usually:

Improve image clarity and detail.

Decrease image size and quality.

Reduce the amount of detail in the image.

What does sample rate mean?

Sample rate is the number of samples taken per second in audio or data processing.

Sample rate refers to the volume level of audio.

Sample rate is the duration of a sound clip.

Sample rate indicates the quality of a microphone.

Increasing the sample rate will:

Improves audio quality and file size.

Reduces the frequency range of audio.

Increases file size without benefit.

Decreases audio quality and detail.

What is bit depth in sound?

Bit depth refers to the length of an audio file in seconds.

Bit depth is the frequency at which sound is sampled.

Bit depth indicates the number of channels in a sound recording.

What is the purpose of compression?

The purpose of compression is to reduce the size of data.

To encrypt sensitive information.

What does lossy compression do?

Lossy compression reduces file size by removing some data, resulting in a loss of quality.

Lossy compression is used to enhance the quality of audio and video files.

Lossy compression preserves all original data without any quality loss.

Lossy compression increases file size by adding more data.

What does a left shift by 1 do to a binary number?

It shifts the number to the right by 1.

What does a right shift by 3 do to a binary number?

It divides the number by 8 and discards the least significant bits.

It shifts the number left by 3.

What are the 4 rules of binary addition?

The 4 rules of binary addition are: 0+0=0, 0+1=1, 1+1 = 0 carry the 1, 1+1+1=1 carry the 1.

What is an overflow error in binary addition?

An overflow error in binary addition happens when the sum exceeds the maximum representable value for the given bit width.

An overflow error happens when the binary addition is performed with decimal numbers.

An overflow error is when a binary number is subtracted and the result is negative.

An overflow error occurs when two binary numbers are added together without any carry.

What does a right shift by 2 do to a binary number?

It divides the number by 4 and discards the least significant bits.

It shifts the number left by 2.

What happens when you decrease the bit depth of an audio file?

The dynamic range of the audio is reduced.

The audio becomes more detailed.

Data Representation Y10

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Data Representation Y10

Quiz

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9th Grade

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Practice Problem

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Medium

Matthew Green

Used 1+ times

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29 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the denary value of the binary number 1010?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary value of the denary number 6?

0110

0111

0101

0100

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the denary value of the hexadecimal number A?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the hexadecimal value for the binary 1111?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is a valid hexadecimal digit?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What base is hexadecimal?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary equivalent of hexadecimal C?

1010

1100

1001

1110

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Data Representation Y10

29 questions

What is the denary value of the binary number 1010?

What is the binary value of the denary number 6?

What is the denary value of the hexadecimal number A?

What is the hexadecimal value for the binary 1111?

Which of these is a valid hexadecimal digit?

What base is hexadecimal?

What is the binary equivalent of hexadecimal C?

Which of these binary numbers is equal to the denary number 15?

What is the term for the number of pixels in an image?

What does a higher colour depth mean in an image?

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