Binary

Question 1

what do the 1s and 0s represent in a computer

Answer 1

whether the current is flowing or not

Question 2

what is the maximum value that can be stored using

Answer 2

2n - 1

Question 3

how to carry out twos complements

Answer 3

write the original number in binary then flip the ones and zeros but add 1 to the end

Question 3

what happens in twos complement

Answer 3

the highest number is negative

Question 3

what is the minimum value that can be stored using unsigned binary

Answer 3

0

Question 4

how to do fixed point representation

Answer 4

• make the highest number (16) negative
• after 1, do 1/2, then 1/4

Question 5

how to do floating point representation

Answer 5

• ## the highest number changes, but is still negative

Question 6

advantages of using floating point representation over fixed point

Answer 6

• Floating-point numbers can represent both extremely large and very small numbers
• more efficient for representing fractions and decimals, providing more flexibility for non-integer calculations
• scale easily with exponents

Question 7

disadvantages of using floating point representation

Answer 7

we now need to store where the binary point is on the number line as well as the number that we want to store

Question 8

in floating point representation, what are the fractions called

Answer 8

the mantissa

Question 9

in floating point representation, what are the whole numbers called

Answer 9

the exponent