Year 8 representation 2025

What would be the size of this image in bytes?

• 2

• 6

• 4

• 8

What would be the size of this image in bytes?

• 8

• 16

• 24

• 32

What would be the size of this file in kilobytes?

• 64

• 0.64

• 0.064

• 0.0064

Enter the name of a 2-base system below

Enter the number in denary for this binary number

Enter the denary number for this binary number below

Select the correct answer for this addition below

• 0011

• 1100

• 1001

• 0101

This sound file is being sampled each second, but the quality is too low. Select 2 answers from below that will improve the quality of the sound file.

• Increase the bit depth

• Increase the time of the track

• Higher the amplitude

• Double the sample rate

Which would be the correct binary number for top row in cells D-H

• 01 00 11 01 01

• 00 11 01 01 11

• 00 11 10 10 11

• 10 10 11 00 10

A capital A in ASCII is 65, a B is 66. What is a D in binary?

• 10100100

• 00100010

• 01000100

• 11000100