What is 11010110 when converted from binary to denary?
200
214
236
What is 139 when converted from denary to binary?
10001011
1011011
11010001
What is A3C0 when converted from hexadecimal to binary?
1011 0011 1100 0000
1010 0011 1100 0000
1010 0011 1000 0000
What is 253 when converted from denary to hexadecimal?
A9
FF
FD
What is binary 10011 + binary 10011?
100111
101110
100110
What is the binary number when 1100011 is multiplied by 4?
110001100
11000
11000110
Which of these will not be included in the metadata of an image file?
Image size
Colour depth
Sample rate
What is sampling?
Sound recorded at regular intervals
Colour picked from a photograph
Sound represented digitally
Which is the larger character set?
ASCII
UNICODE
Extended ASCII
What is bit rate?
The time interval when a sound wave is measured, recorded and stored as a binary value
The number of pixels in an image
A measure of how much data is processed for each second of sound