a) The following bytes represent binary integers using the two’s complement form. State the equivalent denary values.

i) 0 1 0 0 1 1 1 1

ii) 1 0 0 1 1 0 1 0

iii) Write the integer −53 in two’s complement form.

iv) Write the maximum possible range of numbers using the two’s complement form of an 8-bit binary number.

Give your answers in denary.

b) i) Write the denary integer 798 in binary-coded decimal (BCD) format.

ii) Write the denary number that is represented by the following BCD number.

c) Give one use of binary-coded decimal system.

1 1 1 1 1