Data Representation

Convert 11001001 to Denary.

• 199
• 200
• 201
• 202

Convert 7A Hexadecimal to Binary.

• 01111010
• 01111000
• 01110100
• 01110010

Convert 9C to Denary.

• 155
• 156
• 157

• 158

Add the two binary numbers: 11110000 + 00001001

• 11111001
• 00110101
• 11001011
• 00100111

What problem occurs when the following two numbers are added together?11010011 + 11010011

• overpour
• overgo
• overflow
• overmove

Which order do these words appear in?"elephant", "giraffe", "Lion", "Monkey", "panda", "rhino" 

• rhino, Lion, Monkey, giraffe, elephant, panda, .
• elephant, giraffe, panda, rhino, Lion, Monkey.
• giraffe, panda, rhino, Lion, Monkey, elephant.
• Lion, Monkey, elephant, giraffe, panda, rhino.

What metadata is stored with an image file?

• The colours, the colour depth and the resolution.
• The size, the genre and the resolution.
• The size, the colour depth and the resolution.
• The colour depth, the resolution and the genre.

To transfer sound to a computer it needs to be digitally...

• passed
• interval rate
• given
• sampled

The type of compression which removes some of the data from a file in order to reduce its size.

• Lossy
• Lossless

The type of compression which is used when it is important to not lose any of the information in a file.

• Lossy
• Lossless