Higher Data Representation

Convert the denary number -41 to binary using 8 bit two’s complement.

• 1101 0111

• 1011 1101

• 1000 1001

• 1011 0100

Convert the denary number -67 to binary using 8 bit two’s complement.

• 1011 1101

• 1101 0111

• 1011 0100

• 1011 1101

Convert the denary number -119 to binary using 8 bit two’s complement.

• 1000 1001

• 1011 0100

• 1101 0111

• 1011 1101

Convert the denary number -76 to binary using 8 bit two’s complement.

• 1011 0100

• 1011 1101

• 1011 0100

• 1101 0111

Calculate the range of positive integers that can be represented with 8 bits.

• 0 to 127

• 0 to 255

• 0 to 511

• 0 to 1023

Calculate the range of positive and negative integers that can be represented with 8 bits.

• -128 to +127

• -255 to +255

• -127 to +128

• -511 to +511

Calculate the range of positive integers that can be represented with 16 bits.

• 0 to 32767

• 0 to 65535

• 0 to 131071

• 0 to 262143

Calculate the range of positive and negative integers that can be represented with 16 bits.

• -32768 to +32767

• -65535 to +65535

• -32767 to +32768

• -131071 to +131071

What is the bit length of Unicode?

• 8 bits

• 16 bits

• 32 bits

• 64 bits

How many characters can Unicode represent?

• 256

• 1024

• 65,536

• 1,048,576