CIS 150 Final (FROM QUIZZES)

Direct conversion

+a user stops using the old system and began using the new system on a certain date. +Disadvantages of this kind of conversion is that it's extremely whiskey and can disrupt operations seriously if the new system does not work correctly the first time.

Peer to peer Networks

1) each computer has the full responsibilities and capabilities 2) they are simple, inexpensive networks that typically connect fewer than 10 computers 3) each Computer Stores files on its own storage device

Traditional system development phases

1) planning 2) analysis 3) design 4) implementation 5) support and security

Data dictionary

A DBMS uses which of the following to perform validation checks?

Embedded

Electronic Devices such as card readers use ______ operating systems

False

HTML five does not support modern web media

Peer-to-peer

Network Technology best suited to networks of 10 or fewer commuters and each computer is equal to others and maintains its own operating system and application software

Multipurpose

UNIX is called an ____________ operating system because it can run on a desktop PC or a server

A backup

Your database was damage due to hardware failure. What can you use to restore it?

Social network

______ is a web site where members share interest, ideas, and information.

Blog

______ is an informal web site of time-stamped articles written in a journal format.

Wiki

______is an collaboration website that people use to communicate with each other.

Database

a collection of data organized in a manner that allows access, retrieval, and use of that data.

information systems

a collection of hardware, software, data, people, and procedures that work together to produce quality information

Intranet

a private corporate network for use by employees to coordinate emails and communications.

VPN (virtual private network)

a private, secure path crossed a public network (usually the Internet).

IT consultant

a professional who is hired based on expertise in a specialized area of computers, including service and advice.

Network

a server, also called a ______, operating system is a multi user operating system because it controls a central computer that can support many users

Column

a user of a database such as that pictured in the accompanying figure refers to a field as what?

Relationship

a user of a database such as that pictured in the accompanying figure refers to a record as what?

True 1

accessing a web database requires a browser to run software to assess the database, but it does not require a special type of database

Podcast

an _____is an audio file distributed to downloads or feeds.

Update

and operating system change that fixes Bugs, improves security, or enhances features is called _____.

True

client-side and server-side are types of scripts

I S P

company that offers Internet access to individuals and businesses

NIC (network interface card)

computers need this hardware to connect to a network

Design

consists of two major activities: 1) if necessary, acquire hardware and software and 2) develop all of the details of the new or modified information system

False 2

displaying data from a web database by creating web pages on demand, retrieving the most current data, is called static web publishing

Detailed design

during this phase a systems analyst carefully designs every menu, screen, am report specified in the requirement.

Scope creeep

during_________ one activity leads to another that was not originally planned

Redundancy

each department has its own files, so the same data might be stored in multiple files.

In a database

each row has a primary key and each column has a unique name

Home Network

home users connecting multiple computers and devices together into a system.

Data integrity

identifies the quality of data in a database

Source

if you are sending an E-mail message from your lab talk to a classmate, the laptop is the______.

In the relationships

in a relational database, where does the only data redundancy exist?

Project request

in large companies, users write a formal request for a new or modified information system this is called a _______.

Phased conversion

in this conversion each location converts to a new system at a separate time

Two types of Systems Software

include 1) operating systems and 2) tools that enable you to perform maintenance tasks

Desktop operating systems

include 1) windows 2) OS X 3) chrome OS

Data types

include: 1) yes/no fields can be used to create a field with true or false options 2) autonumber data types assigned numbers automatically to each record 3) object data types are used for photos, audio, or video.

Advantage of customs software

it matches and organizations requirements exactly

Star network

kind of network in which all the computers and devices (nodes) connect to a central device.

Single user/single tasking

kind of operating system that allows only one user to run one program or app any time

System

kind of software that consists of the programs that control or maintain the operations of a computer and its devices.

PAN

lewd two is a technology often used in this type of network

Operational feasibility

measures how well the proposed system will work

Client/server

network architecture in which one or more high-powered computers provide resources or services to other computers on the network

Multi user

networks, servers, mainframes, and supercomputers allow hundreds to thousands of users to connect at the same time, and thus their operating systems are referred to as _______.

Allow hundreds of thousands to connect

networks, servers, mainframes, supercomputers

Mobile

operating system that has features similar to a desktop operating system, but is simpler and significantly smaller.

Personal four desktop

operating systems installed on a single computer are called ________ operating systems.

System development life cycle

set of phrases that developers use to build an information system

Phases

system development life cycles often group many activities into larger categories called _____.

Operating system

the ____ determines whether you can run two programs at the same time or connect a computer to a network.

Bandwidth

the amount of data, instructions, and information that can travel over a communications channel

DOS (disk operating system)

the first personal computer operating system was named _____.

Database wizard

the instructions that control how the data in the database is connected

Latency

the time it takes a signal to travel from one location to another on a network.

False 1

the trend is for mobile browsers and web sites to rely on the use of plug-ins such as flash even more heavily in the future

Router

this device connects two or more networks and directs the flow in remission along the network.

RFI D

this network uses radio signals to communicate with radio tag placed in or attach to an object, animal, or person.

GI GO (garbage in garbage out)

this term refers to data integrity

Disk cleanup

to delete unnecessary files on a hard disk use ________ software.

Extranet

type of network that allows an organization to permit outsiders, like customers or suppliers, to access part of its network.

Validation

what is the process of comparing data with a set of rules for values to find out if the data is correct?

Queue

where multiple documents lineup in the printer

OODB (object oriented database)

which the following Stores Data in objects?

Version 3.1

windows did not become popular until ____was released in 1992

Backup

with regard to an entire database, they should be done on a regular basis.