OFF = 0ON = 1

= 63

1 1 1 1 1 1

BINARY system

12481632

Punch cards 0 = 0 22 = m 44 = H 1 = 1 23 = n 45 = I 2 = 2 24 = 0 46 = J 3 = 3 25 = p 47 = K 4 =4 26 = q 48 = L 5 = 5 27 = r 49 = M 6 = 6 28 = s 50 = N 7 = 7 29 = t 51 = O 8 = 8 30 = u 52 = P 9 = 9 31 = v 53 = Q10 = a 32 = w 54 = R11 = b 33 = x 55 = S12 = c 34 = y 56 = T13 = d 35 = z 57 = U14 = e 36 = 58 = V15 = f 37 = A 59 = W16= g 38 = B 60 = X17 = h 39 = C 61 = Y18 = i 40 = D 62 = Z19 = j 41 = E 63 = !20 = k 42 = F21 = l 43 = G

http://www.google.com/url?sa=i&rct=j&q=ibm+punch+card+computer&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.extremetech.com/computing/98287-from-punchcards-to-ipads-the-history-of-input-devices&ei=f5RTVfPVI5H1oASp8oCYBw&psig=AFQjCNGYluGCAPguf3qCgLM24LcMtDAQEg&ust=1431627235473202

Hard drives

Modern keyboards

• 1 Bit = 0 or 1• 1 Byte = 8 bits• 1 Byte = character

on the keyboard (, A, ©)

= 255

1 1 1 1 1 1

8-Bit BINARY TO DECIMAL

1248163264128

255 =

1 1 1 1 1 1

Decimal to 8-Bit binary

1248163264128

OPEN MICROSOFT WORD

DECIMAL TO ASCII

0100 0010 0111 1001 0111 0100 0110 0101 0010 00010110 01010100 11010010 0000

64-Bit Processor1 2 3 4 5 6 7 8

1 1 1 1 1 1

1248163264128

Bin ar y BEAUTIESBonehead #2 thinks Bonehead #1 had a date with a perfect ‘10’ last night. But, what did Bonehead really rate his date last night?

IF Bonehead #1 EVER got a date with a perfect ‘10’,

what would her Binary Number be?

http://www.google.com/url?sa=i&rct=j&q=binary+numbers+jokes&source=images&cd=&cad=rja&uact=8&ved=&url=https://www.pinterest.com/metawing27/programming-jokes/&ei=lw5RVa68J4OvogSCxoDgCg&psig=AFQjCNG3p-ZouH-IaqGJn5kXQllfos1d3A&ust=1431461912068235