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DATE 2014-10-01

HANGOUT

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Key: Value:

Key: Value:

MESSAGE
DATE 2014-10-31
FROM Ruben Safir
SUBJECT Subject: [NYLXS - HANGOUT] Fwd: Architecture Homework - Review Questions
first set of questions answered:

~~~~~

Done by hand

Quest 1:

A)
Base Conversion:
(FA10E) 16 =(??)8
0F A1 0E (HEX)
0000 1111 1010 0001 0000 1110 (BIN)
000 011 111 010 000 100 001 110 (3 tuplets)
0 3 7 2 0 4 1 6 (OCT)



(B)
(101001 )2 = (??)16
= (??)8
= (??)10
00010 1001
29 (HEX)
101 001
51 (Oct)
(8*5) + (1) = 41(dec)

(C)
(26789) 10 =(??)8
=(??)16

26789 1
13394 0
6697 1
3348 0
1674 0
837 1
418 0
209 1
104 0
52 0
26 0
13 1
6 0
3 1
1 1

110,100,010,100,101 (bin)
6 4 2 4 5 (Oct)

0110,1000,1010,0101 (bin)
68 A5 (Hex)


Quest 2:
Arithmetic
1.
Convert the decimal number 0.625 into floating point IEEE Standard 754
single precision:

0.625 converted to binary is 0.101
625 x2 = 1250 => 1
250 x2 = 500 => 0
500 x2 = 1000 => 1

1.01 x 2^-1

Exponent component 127-1 = 126
111 1110(bin)

Significant Digit is 0 (positive)

Significand segment is 010 0000 0000 0000 0000 0000
(hiding the leading 1)
0 0111 1110 010 0000 0000 0000 0000 0000 (32 digits)

I did this wrong on the test as I forgot to convert to binary before
normalizing




2.
Perform the following binary multiplication of two binary numbers:
10111011 and 11101101

(I question the value of this question to access and basic knowledge)

10111011
11101101 x
-----------

10111011
1011101100
10111011000
1011101100000
10111011000000
101110110000000
--------------------------------------------------------
1010110100011111 ?

1 10 10 11 11 11 10011 10 1 1
1 0 1 1 1 0 1 1
1 0 1 1 1 0 1 1 0 0
1 0 1 1 1 0 1 1 0 0 0
1 0 1 1 1 0 1 1 0 0 0 0 0
1 0 1 1 1 0 1 1 0 0 0 0 0 0
1 0 1 1 1 0 1 1 0 0 0 0 0 0 0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 1 0 1 1 0 1 0 0 0 1 1 1 1 1 ? same as paper






  1. 2014-10-02 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] opensuse 13.1
  2. 2014-10-02 Chris Knadle <Chris.Knadle-at-coredump.us> Re: [NYLXS - HANGOUT] opensuse 13.1
  3. 2014-10-06 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] HW 1
  4. 2014-10-07 einker <eminker-at-gmail.com> Subject: [NYLXS - HANGOUT] Rant of the Day
  5. 2014-10-07 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] Rant of the Day
  6. 2014-10-07 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Installfest
  7. 2014-10-07 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] Installfest
  8. 2014-10-08 einker <eminker-at-gmail.com> Re: [NYLXS - HANGOUT] Rant of the Day
  9. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] News from Israel
  10. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] [ruben-at-mrbrklyn.com: new programming language]
  11. 2014-10-12 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [tetris4-at-gmail.com: Re: chakra installation and fdisk]
  12. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] system D is out of fucking control
  13. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] some none systemd chocies
  14. 2014-10-12 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [info-at-meetup.com: Tomorrow: Join 10 Python Programmers and Users at
  15. 2014-10-12 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] Arts and Crafts
  16. 2014-10-12 Chris Knadle <Chris.Knadle-at-coredump.us> Re: [NYLXS - HANGOUT] system D is out of fucking control
  17. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] system D is out of fucking control
  18. 2014-10-12 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] Apache Security tips
  19. 2014-10-18 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Microsoft Key Logging built into OS
  20. 2014-10-18 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] SystemD development hostility towards the GNU/Linux community
  21. 2014-10-18 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Objecting to SystemdD useless even for Linus
  22. 2014-10-18 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Theodore Ts'o on systemd - almost on target
  23. 2014-10-18 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [rickmoen-at-gmail.com: systemd fallacies debunked]
  24. 2014-10-18 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [csconnection-at-computer.org: Must-Attend Data Event: We're Saving
  25. 2014-10-18 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [csconnection-at-computer.org: Stay Ahead of the Curve. Come to the
  26. 2014-10-18 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [enews-at-pharmacytimes.com: Breaking News: Practice Brief on Ebola]
  27. 2014-10-18 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [hpwebos-at-news.hpwebosnewsletters.com: HP webOS User Newsletter]
  28. 2014-10-19 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [brian.gupta-at-brandorr.com: [nylug-talk] Fwd: The Debian Outreach
  29. 2014-10-22 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] [ianseeks-at-yahoo.co.uk: Re: [opensuse] System D: Debian Fork]
  30. 2014-10-22 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] system D is out of fucking control
  31. 2014-10-23 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] The Dingo-OS manifesto
  32. 2014-10-23 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] The Dingo-OS manifesto
  33. 2014-10-25 Elfen Magix <elfen_magix-at-yahoo.com> Subject: [NYLXS - HANGOUT] Anybody munching on Raspberry Pi?
  34. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] =?windows-1252?Q?Fwd=3A_=5Bisoc-ny=5D_VIDEO=3A_Protecting_?=
  35. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Fwd: nixCraft Linux / UNIX Newsletter
  36. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Fwd: nixCraft Linux / UNIX Newsletter
  37. 2014-10-30 mrbrklyn-at-panix.com Subject: [NYLXS - HANGOUT] VIDEO: NYC Social Infrastructure & Tech Ecosystem: Are We At An
  38. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] thin clients
  39. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Fetch Execute Cycle
  40. 2014-10-30 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Fwd: Invitation: Experience with C++11 in ArangoDB
  41. 2014-10-31 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Computer Archotecture Quiz
  42. 2014-10-31 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Fwd: Architecture Homework - Review Questions

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