Auditing Research

ACCT 748                                    Fall  2015                            Dr. R. M. Siegfried

Tentative Final Study Questions

Chapter 6

Analog signal        over a continuous range over 10-20miles per hour.

Front-end processor - special-purpose computer that manages

communications to and from a computer system serving hundreds or even

thousands of users.

Digital signal        everything is broken to 1s and 0s. Everything is clear what numbers

Gateway- telecommunications device that serves as an entrance to another network

Full duplex communications        both are two ways, and can go both ways at a time

Router-  telecommunication device that forwards data packets across two or more distinct networks

Half duplex communications        both are two way but it can only one way at a t ime

Communications protocol- set of standards when computers communicate with e/o

Simplex communications- one-way direction

1. Define the term communications.  How does telecommunications differ from data communications?

1. Describe the steps involved in the communications process.

1. What is a telecommunications medium?  List three media in common use.

Signals interface between a sending device and a receiving device.

Simplex, Half-duplex, Full Duplex

1. What is the difference between synchronous and asynchronous communications?

1. communication in which the receiver gets the message instantaneously

B) communications in which the receiver gets the message, minutes, hours or even days after it is sent.

1. Discuss the function and use of a modem and a multiplexer.

1. What is the difference between a switched and a dedicated line?

1. Define the term computer network.

1. Identify three distributed data processing alternatives.

1. What advantages and disadvantages are associated with the use of client/server computing?

1. What is a T1 line? How might it be used?

1. What is a network operating system?  What is network management software?

1. What role do the bridge, router, gateway and switch play in a network?

Switch- low level

Gateway- Networks that are similar

Router-

1. Describe a local area network and it’s various associated components.

Router, modem, Computers, file servers, printers.

1. What is a wide area network?  What is a value-added network?

Value added- Is like a highway, must pay to get access to the network

1. What is EDI?  Why are companies using it?

How must ecommerce takes place

Chapter 7

Definitions:

Applet        - a small program than can run in your browser                

Digital signature- secure way of putting a signature on a computer        

HTML- hypertext market language

Backbone- one of the Internet’s high-speed, long-distance communications links