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Integers are represented as a string of 1's and 0's. The bits (a single one or zero) are weighted by powers of two, so the one on the far right has value 20 or 1, the second is 21 or 2, third is 22 or 4, 4th is 8, 5th is 16, etc. An integer in a modern computer is typically 32 bits long, or 4 bytes (a byte is 8 bits).
Negative numbers are represented in two's complement form, which is a little complicated to explain here, but if you Google it there are good websites. The reason that 2's complement form is used versus simpler sign-magnitude are that it makes the math easier for a computer's processor.
What else can I help you with?
What symbol is used for integers?
The set of integers is represented by Z.
How can a rational number be represented?
It can be represented as a ratio of two integers.
What letter are integers represented by?
Zero
Why integers are represented by z?
It comes from the German word zahlen.
Which term is used to describe integers that are less than 0?
They are negative integers.
What do all rational numbers have in common?
They can be represented as a fraction of two integers.
How can motion be represented?
Motion can be represented through equations that describe the change in position over time, such as the equations of kinematics in physics. In computer graphics, motion can be represented using keyframes or motion capture data. In the field of animation, motion can be represented using timelines and keyframes to animate characters and objects.
What do prime and composite have in common?
They both describe integers.
How many unsigned integers can be represented with n bits?
2 power n
How is each rational number alike?
They can all be represented by ratios of two integers.
Is 1.75 an irrational number?
No. 1.75 is NOT an irrational number. Rational numbers cannot be represented as a ratio of two integers. 1.75 can be represented as a ratio of the integers 175 and 100, i.e. 175/100 Note that this can be reduced to the equivalent fraction 7/4, which is a ratio of the integers 7 and 4
Is the number 100 irrational?
No - because it can be represented as a ratio of integers : 10 = 10/1 Any number that can be represented as a ratio of 2 integers is classified as a rational number (other than that you can't use 0 for the denominator)
