AS-T1-Data representation

A small, fixed section at the beginning of a file, contains essential data needed to interpret or open a bitmap file (e.g. version, number of colors)

The smallest addressable element in an image

An image is compressed using RLE. This encoding method replaces ______________ of the same colour pixel with colour code and number of identical pixels.

A text file is compressed using RLE. Repeated sequences of characters are replaced by a single copy of the character and a ________________ of the number of characters.

Add the denary number 15 to the binary number 00100011 and give your answer in binary.

Subtract the denary number 10 from the two’s complement representation 00100011.

Statte the number of characters that can be represented by the extended ASCII character set

The Unicode value for the character ‘1’ is denary value 49. Write the denary value for the Unicode character ‘7’.

The Unicode value for the character ‘1’ is denary value 49.

Write the hexadecimal value for the Unicode character ‘2’.

1 kibibyte = _________ bits