CIS 130.  Spring, 1999.  Quiz 1.  Some terms to review
Covering Lectures, Lab, Stallings, Ch 1, 2, 3

what is telecommunication?  
what is a modem ?

**Chapter 1
what are the four kinds of data we transmit ?
what are transmission media?   guided and wireless
two ways of improving efficiency
      compression (two kinds: lossy and with no loss)
      multiplexing
general idea of what is a LAN or WAN
what is distributed data processing?
      client/server?  netscape?  pine?  telnet?
what is a protocol?  TCP/IP protocol family?

**Chapter 2
how do number of bits and number of outcomes relate to each other
and how to calcluate one or the other
bit(b), byte (B)
analog (Hz) versus digital (bps) communication
what do kilo and mega refer to?
    how does their meaning change when referring to storage versus transmission?

Voice: approximate bandwidth of standard phone line
    how many bits per second are generated when it is digitized?
Data:  numbers: why we have integer and floating point formats
    text:  how many bits per character do we usually use to store characters?
         how to calculate the number of bits needed for a typewritten page ?
Image and Video:  
    how to calculate number of bits in an image, in a sequence of images
    number of seconds to transmit at a given rate
    minimum channel capacity to transmit in a given time.
Response time:  what is it?  difference between user and system response time
    effects of fast or slow response times?

Key Terms on page 28.  

**Practical Internet terms:
username, password, home directory 
what is a newsgroup?
Internet addresses:  difference between a hostname and an IP address,
      be able to recognize: e-mail & web addresses, hostnames, newsgroup names
What does it mean when we login to hills and see the prompt:  $  
How to reset the terminal emulation if 'pine' aborts with a message like:
      "Sorry, terminal type 'x' is unknown"

**Chapter 3:  Distributed data processing:
What is that can be distributed or centralized?  
What are some motivations for choosing distributed data processing 
    instead of a centralized approach?
When would we want to centralize some functions and distribute others?
What major problems for the manager can result from distributed small systems?
What is the difference between horizontal and vertical partitioning of applications?
What are the key features of an Intranet ?
Three types of communications networking requirements for DDP