Quiz-2: Fixed and Floating Point Representation

Which is the largest normalized FP value (5-bit M, 4-bit E)?

• 00111 0111

• 01111 0110

• 11111 0111

• 10111 1111

Which is the smallest normalized FP value (5-bit M, 4-bit E)?

• 01000 1000

• 00001 1000

• 11111 1111

• 01000 1111

How do you negate a 2s complement number?

• Invert bits and add one

• Invert bits

• Add one and invert bits

• Write it backwards

How do you perform a - b in signed binary?

• a + (-b)

• a + (-1)*b

• a - |b|

• a + (b^-1)

Which signed binary number is most negative?

• 10111

• 11011

• 11101

• 11110

Which signed binary number is the closest to zero?

• 10111

• 11011

• 11101

• 11110

Divide this signed binary byte by 2: 10010010

If the mantissa is M and the exponent E, what is the value of a binary floating point number?

• E * 2^M

• M * 2^E

• E * 10^M

• M * 10^E

What is the primary feature of fixed point representation?

• Flexible allocation of bits for the whole and fractional part
• Fixed binary point location
• Variable number base
• Only positive values can be represented

In floating point representation, which components are allocated bits?

• Only the number base
• Mantissa and exponent
• Binary point and exponent
• Mantissa and binary point