notes from class

qccs012.blogspot.com

VBA
Visual Basic for Applications

macros
record a macro by Doing it
behind the scenes generates VBA code

1) Find all three-letter words, which have a vowel as the middle letter
<[a-zA-Z][AEIOUaeiou][a-zA-Z]>

madamimadam

a man, a plan, a canal, Panama

bits, bytes

bit: binary digit
0, 1

8 bits = 1 byte
4 bits = nibble
2 bytes = word
2 words = dword

1 KB (kilobyte) = 1000 bytes, 10^3 bytes, 1024 bytes, 2^10 bytes
1 MB (megabyte) = 1 million, 2^20 bytes
1 GB (gigabyte) = 1 billion, 2^30 bytes
1 TB (terabyte) = 1 trillion, 2^40
peta
exa
http://en.wikipedia.org/wiki/Petabyte

kilohertz

1 bit, can only store 0 or 1


combining bits together to encode bigger nums

tell me what these nums mean in decimal
HW:
Convert these binary numbers to decimal
11011
111
11
1011011