Security risks in computer-communication systems

1996 ◽  
Vol 14 (3) ◽  
pp. 21-23
Author(s):  
Peter Neumann
Keyword(s):  
Communication Systems ◽  
Security Risks ◽  
Computer Communication

Online Learning Environments

2011 ◽  
pp. 678-685 ◽  
Author(s):  
Riu Hu ◽  
Shuyan Wang
Keyword(s):  
Online Learning ◽  
Learning Environment ◽  
Learning Environments ◽  
Communication Systems ◽  
The Internet ◽  
Electronic Communications ◽  
Online Learning Environments ◽  
Computer Communication ◽  
E Learning ◽  
The Web

Online learning, which was defined as a learning environment using computer communication systems for learning delivery and interaction (Harasim, 1990), has been involved into all facets of society’s education. Online learning can be considered as a subset of the category of e-learning because it refers specifically to learning that is occurring via the Internet or Intranet. Online learning environment normally refers to learning via electronic communications, coursework, and/or information posted on the Web, and through other instructional activities by using Internet.

An Analytically Tractable Model of Large Network

2010 ◽  
Vol 2 (1) ◽  
pp. 1-12
Author(s):  
S. Vakulenko ◽  
M. Zimin
Keyword(s):  
Computer Simulations ◽  
Communication Systems ◽  
Network Size ◽  
Genetic Networks ◽  
Large Network ◽  
Turing Machines ◽  
Computer Communication ◽  
Large Size ◽  
Optimal Network ◽  
Structurally Stable

This paper considers specially organized networks of large size. They can serve as models of computer communication systems, economical systems, neural and genetic networks. The topology of this network is simple and the analysis of the network behaviour is an analytically tractable task, while computer simulations are difficult. The authors show that such networks generate any structurally stable attractors in particular chaotic and periodic. They can simulate all Turing machines, that is, perform any computations. In noisy cases, the reliability of such network is exponentially high as a function of network size and has a maximum for an optimal network size.

Selecting Capacities in Computer Communication Systems

1977 ◽  
Vol SE-3 (4) ◽  
pp. 290-295 ◽  
Author(s):  
K.M. Chandy ◽  
J. Hogarth ◽  
C.H. Sauer
Keyword(s):  
Communication Systems ◽  
Computer Communication
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