1.2 - binary calculations Flashcards
1
Q
1 + 0
A
1
2
Q
0 + 0
A
0
3
Q
1 + 1
A
10
4
Q
1 + 1 + 1
A
11
5
Q
Overflow
A
When the result of a calculation requires more bits than available
6
Q
Hex 1 - 15 from binary
A
1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
7
Q
Multiplication shifts
A
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
8
Q
Division shifts
A
To divide, shift all digits right, one shift = divide by 2, two shift = divide by 4, three shift = divide by 8 and so on
