Chapter 5 Flashcards
1
Q
What number base system is binary?
A
Base 2
2
Q
What number base system is hexadecimal?
A
Base 16
3
Q
What is A in denary?
A
10
4
Q
Why is hexadecimal used?
A
-Easier for humans to understand
-More compact when displaying compared to binary
5
Q
What is an algorithm?
A
A SEQUENCE of STEPS that can be followed to complete a task that ALWAYS TERMINATES.
6
Q
Does signed binary use two’s complement?
A
YES
7
Q
Does un-signed binary use two’s complement?
A
NO
8
Q
In signed binary which bit is negative?
A
The MOST significant one.
9
Q
How do you convert to two’s complement?
A
-Represent positive value.
-Invert the bits.
-Add 1 to the results.
10
Q
How would you take away in binary?
A
-Convert numbers into binary
-Make second binary number negative
-Add them together
