1.2 - binary calculations

Question 1

1 + 0

Answer 1

1

Question 2

0 + 0

Answer 2

0

Question 3

1 + 1

Answer 3

10

Question 4

1 + 1 + 1

Answer 4

11

Question 5

Overflow

Answer 5

When the result of a calculation requires more bits than available

Question 6

Hex 1 - 15 from binary

Answer 6

1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F

Question 7

Multiplication shifts

Answer 7

To multiply, shift all numbers left one place and put zeros in the spare spaces. One shift = 2x, two shifts = 4x, three shifts = 8x and so on

Question 8

Division shifts

Answer 8

To divide, shift all digits right, one shift = divide by 2, two shift = divide by 4, three shift = divide by 8 and so on