cis test 2 swart Flashcards
Software that manages the resources of the computer is called:
Operating system software
Which of the following is not an essential characteristic of cloud computing? On demand self service, static environment, broad network access, resource pooling, and measured service
Static environment
In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks.
True or false?
true
Which type of computer is used for weather forecasting on a national or worldwide scale?
super computer
In a telecommunications network architecture, a protocol is:
a standard set of rules and procedures for control of communications in a network.
Which device collects data directly from the environment for input into a computer system?
Sensor
A field identified in a table as holding the unique identifier of the table’s records is called the:
Primary key
Give an example of a pre-digital database?
Library’s card-catalog.
A hub is a networking device that is used to filter and forward data to specified destinations on the network.
True or false?
false
Which signal types are represented by a continuous waveform?
Analog
MySQL is a:
Database management system
A schematic of the entire database that describes the relationships in a database is called a/an:
Entity-relationship diagram
Which protocol is the Internet based on?
TCP/IP
What service converts IP addresses into more recognizable alphanumeric names?
DNS
What is the most prominent data manipulation language today?
SQL
A mainframe is a type of legacy workstation.
True or false?
false
Central large mainframe computing has largely replaced client/server computing.
True or false?
false
The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:
packet switching
Approximately what percentage of U.S. households has high-speed broadband connections?
74-75%
What type of computer would you use to support a computer network?
server
The “Internet of Things” refers to:
a web based development in which people. processes, data, and things are interconnected via the internet using various means
What is an open-source operating system designed for mobile devices?
Android
To create a computer network, you must have at least two computers.
True or false?
true
Web browser software requests web pages from the Internet using which protocol?
HTTP
To use the analog telephone system for sending digital data, you must also use:
a modem
What is an untrue statement about cloud computing?
It removes the concern about data and systems security for businesses.
A firm’s IT infrastructure provides the foundation for supporting all the information systems in the business.
True or false?
true
What is the type of network that is used to connect digital devices within a half-mile or 500-meter radius?
LAN
What is not a type of output device?
Microphone
A data ________ stores current and historical data of potential interest to decision makers throughout the company.
warehouse
The primary storage technologies are:
Storage-networks, magnetic tape, magnetic disk, and optical dosk
Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.
True or false?
true
What software tool would you use to prepare a break-even analysis?
spreadsheet
Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?
managing the supply chain
What are the four layers of the TCP/IP reference model?
- Application Layer 2. Transport Layer 3. Internet Layer 4. Network Interface Layer.
Access is a:
Workbook management system
In a table for customers, the information about a single customer would reside in a single:
row
Name an example of a company whose business model is based on access to large databases through the web?
Facebook (any type of social media)
A data warehouse is typically composed of several smaller data marts.
True or false?
false
Software used to apply the computer to a specific task for an end user is called:
Application software
A characteristic or quality describing an entity is called a/an:
attribute
The total amount of digital information that can be transmitted through any telecommunications medium is measured in:
BPS
A DBMS is special software for creating, storing, organizing, and accessing data from a database.
True or false?
true
The smallest unit of data a computer can handle is called a:
bit
What is a type of optical disc storage?
DC-ROM
what refers to the ability of a computer, product, or system to expand to serve a larger number of users without breaking down?
Scalability
Software applications that combine different components of online software applications are referred to as:
mashups
An SaaS provider maintains a large web server, or series of servers, and provides fee-paying subscribers with space to maintain their websites.
True or false?
false
A VPN:
A private network that uses a public network to connect users
