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A2 Computing
Assignment for Module 4
Assignment 1
Assignment is due in on Thursday 18th October 2001
Binary Arithmetic
1. Convert the following numbers to binary using twos complement representation
9 -6 -99
2. Assuming 10 bits represent a binary number, with the first being a sign bit (twos
complement). Convert the following binary digits to decimal
000011101
001001011
110001111
3. Normalise the following numbers, which are held with a 10-bit mantissa and
6-bit exponent
0 000000110 000111
0 000010111 000110
1 111110111 000000
1 111111010 000011
4. the binary number 1010 1011 0111 can be represented in a number of different
ways
a. State its hexadecimal form
b. State its value in denary if it represents
(i) an unsigned binary digit
(ii) a twos complement floating point number with an eight bit mantissa
followed by a 4-bit exponent
A2 Computing
Assignment for Module 4
Assignment 1
Assignment is due in on Thursday 18th October 2001
Binary Arithmetic
1. Convert the following numbers to binary using twos complement representation
9 -6 -99
2. Assuming 10 bits represent a binary number, with the first being a sign bit (twos
complement). Convert the following binary digits to decimal
000011101
001001011
110001111
3. Normalise the following numbers, which are held with a 10-bit mantissa and
6-bit exponent
0 000000110 000111
0 000010111 000110
1 111110111 000000
1 111111010 000011
4. the binary number 1010 1011 0111 can be represented in a number of different
ways
a. State its hexadecimal form
b. State its value in denary if it represents
(i) an unsigned binary digit
(ii) a twos complement floating point number with an eight bit mantissa
followed by a 4-bit exponent