1.1 - Number Systems Flashcards
1
Q
Which number system do numbers with base 10 belong to? [1]
A
denary
2
Q
Which number system do numbers with base 2 belong to? [1]
A
binary
3
Q
Which number system do numbers with base 8 belong to? [1]
A
octal
4
Q
Which number system do numbers with base 16 belong to? [1]
A
hexadecimal
5
Q
What are the uses of HEX number system? [5]
A
- used in MAC addresses
- used in IP addresses
- used in error codes
- used in memory dumps
- used in HTML code
6
Q
What is a use of OCTAL number system? [1]
A
- setting file permissions
7
Q
0+1=
A
1
8
Q
1+0=
A
1
9
Q
0+0=
A
0
10
Q
1+1=
A
10
11
Q
10+1=
A
11
12
Q
Where does addition on a computer done? [1]
A
in the register
13
Q
How do you find two’s complement? [4]
A
- start at LSB and look for the first 1
- bits until the first 1 are written like normal
- flip/invert all the other bits
- number is a negative binary number
14
Q
Which side is the least significant bit? [1]
A
RIGHT MOST SIDE
15
Q
When multiplying binary numbers which way do you shift? [1]
A
to the left
