Topic 1-Data Representation Flashcards
1 Byte(B) equals to
8 bits(b)
Bit
one binary digit
Nibble
4 bits
Byte
8 bits
Word
16/32/64 bits
Kilobye(KB)
1024 bytes
Megabyte(MB)
1024 KB
GIgabyte(GB)
1024 MB
Terabyte(TB)
1024 GB
Petabyte(PB)
1024 TB
0+0=
0
1+0=
1
0+1=
1
1+1=
0, carry the 1 to the left
1+1+1=
1, carry the 1 to the left
1010+1001=
10011
101101+111101=
1101010
What number system do these facts describe: 0 or 1(2 digits) - base 2 - Used by computers - Uses more digits for the same number
Binary
Name 4 facts about the denary number system
0, 1, 2, 3, 4, 5, 6, 7, 8, 9(10 digits) - Base 10 - Used by humans - Uses less digits for the same number
a bit is either a _ or a _
1 or 0
Binary digit can be shortened to
bit
The smallest piece of computer memory is
a bit
A single 1 or 0 is called a
bit
Computers convert ____ data to ____ data
analogue to digital