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68 Cards in this Set

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accept input from the outside world
input devices
send information to the outside world
output devices
(CPU) the computer's brain, processes information, performs calculations and makes basic decisions by comparing information values
microprocessor
random access memeory-used to store data/information
RAM
the smallest unit of information a computer can process; can only have 2 values, o and 1
bit
collection of 8 bits (can represent 256 different messages)
byte
a system that denotes all numbers with combinations of 2 digits
binary number system
American Standard Code for Information Interchange-represents each character as a unique 8-bit code
ASCII
a coding scheme that supports 65,000 unique characters
unicode
1000 bytes of information
kilobyte
about 1,000 KB or 1 million bytes
megabyte
about 1,000 MB
gigabyte
about 1 million MB
terabyte
about 1,024 terabytes
petabyte
the circuit board that contains a computer's CPU
motherboard
the timing device that produces electrical pulses to synchronize the computer's opperation
internal clock
a computer's click is measured in these (for billions of cycles per second)
gigahertz
a computer that emply's two microprocessors to improve overall performance
multiprocessing / parrallel processing
the computer can only read the information
nonvolatile memory (ROM)
external devices
peripherals
data processing, in which a number of inputs are grouped together to be processed at the same time
batch processing
an area where the collection of information is organized for access
centralized database
data that has several parts that can be divided into fields
computed fields
the process of searching for large volumes of data
data mining
collects, integrates, and stores data
data warehouse
a program that creates a collection of data
database program
data that is misleading or incorrect, or outdated
dirty data
it is for creating, storing, analyzing, and managing data
geographic information syster (GIS)
to bring in data / download
import data
it is for creating, storing, analyzing, and managing personal data
personal information system (PIS)
computer languaged used when creating information systems
query language
time outside (in the world) most computers can send emails in _______ _______ (quicker than mail
real time
a document that registers data
record
takes data and you can get just what you want
report
according to the fourth admendment of the United States Constitution, everyone has a right to their property...and no thing can be seized without a warrant
right to privacy
when you want the computer to find somthing specific
search
a query language for relational databasesa
SQL
set of data in a database, also means a showing of information
table
processing through interaction between computers (happens in real time)
interactive processing
to search for a certain type of information from a database
browse
connection between server and user
client/server
cleaning up a database, by removing old or wrong information
data scrubbing/data cleansing
a collection of information stored in computers/machines
database
programs designed to manage and organize large quanities of information
database management system (DBMS)
database that shares its files with several computer networks
distributed database
sinding or transferring data pieces to another program
export data
chunks of information that makes up the record of data
field
programs designed to managed and to organize files
file manager
a name or a code that identifies a person or a machine
identity
how it processes objects such as images instead of just data
object-oriented processing
things that are kept from others. Only certain information can be read by other people
privacy
matching data information that share commonalities in their fields and combine them
record matching
a program that allows correction/change of information in a database easier, it links files together so that changes made in one of them will automatically be made in all other files as well
relational database
searching for specific records in a database, that meet the criteria the user asks for
select (records)
organizing data alphabetically or numerically
sort
related to data/ when a user whats to show data on a web page
XML
an information request
query
establishing the users identity beyond reasonable doubt
authenticity
the diminishing importance of geographic, political, economic, and cultural boundaries
globalization and cultural diversity
the operation of hardware, the design of software, the accuracy of data or the correspondence of data with the real world
reliability
ideas, discoveries, writings, works of art, software, collections, and presentations of data
intellectual property
the correspondence of data with itself, at its creation
integrity
offering universal right to use information, regardless of distance, age, race, gender, or other personal characteristics
equality of access
the protections of hardware, software, machines, and networkds from unauthorized access, alteration or destruction
security
the interactioin of humans with IT hardware raises kinds of issues
people and machines
IT improves reliability, accuracy, and speed of systems
control
enforceable measures intended to promote appropriate use
policies and standards
the ability of individuals and groups to determine for themselves when, how, and to what extent information about themselves is shared with others
privacy