Computer science from the bottom up

... 2010, 2011, 2012, 2013 Ian Wienand Abstract Computer Science from the Bottom Up — A free, online book designed to teach computer science from the bottom end up Topics covered include binary and binary ... 171 174 Computer Science from the Bottom Up 10 I/O Fundamentals File System Fundamentals Networking Fundamentals Computer Science from the Botto...

Ngày tải lên: 06/09/2015, 07:18

... blackbox.com Page Physical Network Security Layered security using the OSI model as a security model Network security is often based on the familiar OSI model, which organizes networking into seven ... denying physical access to networking devices There are many ways to ensure the physical security of your network, from simple port locks to sophisticated remote mon...

Ngày tải lên: 22/03/2014, 15:21

... example: Unix1 Unix2 Unix3 Unix4 Unix5 has has has has has entries entries entries entries entries for for for for for unix2 unix1 unix1 unix2 unix3 and and and and and unix3 unix4 unix5 unix5 unix4 ... a value from 0-23 The third field is the day of the month, a value from 1-31 The fifth field is the month of the year, a value from 1-2 The sixth field...

Ngày tải lên: 21/12/2013, 04:19

... user - therefor -8- Breaking into computer networks from the Internet [Roelof Temmingh & SensePost] the name And the servers keep logs Typically the servers cannot keep logs forever, but the ISP ... number of the call (YOUR number) For the Telecom to pinpoint the source of the call they need the destination number (the number you called), the time the call...

Ngày tải lên: 24/01/2014, 09:20

... faucets won’t work, but the pipes are pretty useless if there are no faucets Together, the user applications (from the GNU project and other places) and the kernel (Linux) make up the entire operating ... The data bus is the connection between the CPU and memory It is the actual wire that connects them If you look at the motherboard of the computer, the wires that g...

Ngày tải lên: 14/03/2014, 21:20

... "1", then the result is "1", otherwise, the result is "0" XOR : Compares bits and if exactly one of them is "1" (i.e., if they are dierent values), then the result is "1"; otherwise (if the bits ... it is a "1", the result is "0"; if it is a "0", the result is "1" AND: Compares bits and if they are both "1", then the result is "1", otherwise, the result is...

Ngày tải lên: 13/06/2014, 15:45

... faucets won’t work, but the pipes are pretty useless if there are no faucets Together, the user applications (from the GNU project and other places) and the kernel (Linux) make up the entire operating ... The data bus is the connection between the CPU and memory It is the actual wire that connects them If you look at the motherboard of the computer, the wires that g...

Ngày tải lên: 13/06/2014, 16:17

... faucets won’t work, but the pipes are pretty useless if there are no faucets Together, the user applications (from the GNU project and other places) and the kernel (Linux) make up the entire operating ... The data bus is the connection between the CPU and memory It is the actual wire that connects them If you look at the motherboard of the computer, the wires that g...

Ngày tải lên: 22/10/2014, 17:55

... questions: What are the factors affecting reading comprehension of English for Computer Science of the second year students at VTTTU? What are the suggestions to help the students improve their ESP reading ... during the course Scope of the study The study mainly focuses on the investigation of factors most affecting reading comprehen...

Ngày tải lên: 28/03/2015, 10:36

... take their place Now, even newer industries are being upended Satellite navigation, for instance, has been disrupted by the growth of smartphones: the likes of TomTom and Garmin have seen their business ... Once upon a time, personal computers offered cheap, standardised hardware, throwing the mainframe business into disarray, but they have in turn faced disruption as PC sal...

Ngày tải lên: 04/12/2015, 00:08

Ngày tải lên: 04/12/2015, 00:08

... conversations with our suppliers,” Mr Jonkers says The next challenge, in Mr Heck’s view, is for companies to tackle the third stage of energy efficiency the energy used by a product once in the hands of ... across Europe, companies like Sainsbury’s and Heineken are looking at energy efficiency beyond their own operations For the more than 2,500 farmers from whom it...

Ngày tải lên: 04/12/2015, 00:08