Data Representation and Transmission Review

State how many bits there are in a byte.

State how many kibibytes (KiB) there are in 2 mebibytes (MiB).

Identify the unit of data that is equal to 4 bits.

Convert A2F to binary

Convert A2F to denary

Convert the binary number 000110011011 to hexadecimal

Convert the binary number 000110011011 to decimal

The health value for a character in the computer game can sometimes be a negative value. The negative values are stored as two’s complement 8-bit integers. A character has a health value of –25. Calculate the two’s complement 8-bit integer for –25.

A 16-bit colour image has a resolution of 512 pixels wide by 512 pixels high. Calculate the file size of the image in kibibytes (KiB).

Data can be transmitted from one device to another.

Which is not a method for transmitting data.

• serial

• simplex

• parallel

• parity