Data Representation

Binary is represented in which base?

• 10

• 2

• 16

• 8

What is the denary equivalent of this binary number?

11010001

• 345

• 134

• 209

• 34

Which is the binary representation of 98?

• 01100010

• 01110001

• 10000111

• 01010101

Can you add these two number 01110110 + 10110001? Write your answer below

A binary shift of 2 places left is equivalent to ______

Quality of an image depends on:

• Resolution
• Metadata
• Screen size
• Computer's speed

Colour depth refers to:

• How many bits are used in a file to store colour information in every pixel
• Resolution divided by the number of colours in an image.
• Degree of file compression applied to an image file.
• Repeated resampling of an image.

Most graphic formats create many colours from:

• Red, green, blue.
• Red, pink, yellow.
• Red, white, blue.
• Black, white, green.

The smallest unit of data stored in an image file is called:

• Pixels
• Resolution
• Alpha
• Bitmap.

The following is true about sampling rates:

• They measure a number of snapshots of sound taken per second.
• They are not as important as bit rates.
• They are different for every song, depending on its loudness.