chapter 1 part 4 Flashcards
1
Q
define register
A
a small fast memory location within the CPU
2
Q
define : - most significant bit
- least significant bit
A
most: the left most bit in a binary register
least:the right most bit in a binary register
3
Q
why does overflow error occur? [2]
A
-the result of the calculation is greater than….
-which would require more than … bits to be represented
4
Q
when a binary value starts with one is it negative or positive?
A
negative
5
Q
what is the logical shift
A
the logical shift is a binary operation that moves bits to some places to the leftt or right
6
Q
effect of:
-left logical shift?
-right logical shift
[assume to one place]
A
left: multiplying by 2
right:dividing by 2
