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H466 - Fixed and floating point binary

Authored by R Eveleigh

Computers

11th Grade

Used 6+ times

H466 - Fixed and floating point binary
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the fraction 0.101 represented in decimal?

0.25

0.5

0.625

0.75

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using floating-point representation over fixed-point?

Simplicity

Wider range and dynamic precision

Less memory usage

No rounding errors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In binary, what does the fractional part .01 represent in decimal?

0.125

0.25

0.5

0.75

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component of a floating-point number indicates whether the number is positive or negative?

Mantissa

Exponent

Sign

Fraction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the binary fraction 0.001 in decimal?

0.0625

0.125

0.25

0.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a limitation of fixed-point representation?

Complexity

Limited range and precision

Rounding errors

High memory usage

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In floating-point representation, what does the exponent do?

Indicates the sign of the number

Represents the significant digits

Shifts the binary point

Determines the precision

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