Exam 2
Computer Science 110 with Jt at Rutgers University - New Brunswick/Piscataway
About this deck
By: Tori Bartley
Textbook: Jt''s Conversations on True Basic - John T. Chirco - Paperback
New Perspectives on Computer Concepts 2010, Introductory (New Perspectives (Paperback Course Technology))
Created: 2010-03-30
Size: 71 flashcards
Views: 431
Textbook: Jt''s Conversations on True Basic - John T. Chirco - Paperback
New Perspectives on Computer Concepts 2010, Introductory (New Perspectives (Paperback Course Technology))Created: 2010-03-30
Size: 71 flashcards
Views: 431
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computer network
group of computers linked by wire or wireless technology to share data and resources. existed before the internet
WEB
short for world wide web. a collection of linked documents graphics and sounds that can be accessed over the internet
cybersace
is a term that refers to entities that exist largely within computer networks.
digitzation
process of converting text number sound photos and video into data that can be processed by digital devices
computer
multipurpose device that accepts input, processes data, stores data and produces output according to a series of stored instructions.
input
whatever is typed submitted or transmitted to a comp system.
given by a device like keyboard or mouse, gets data and transforms it to electronic signals for the comp
given by a device like keyboard or mouse, gets data and transforms it to electronic signals for the comp
output
a result produced by a computer
data
refers to the symbols that represent facts, objects, and ideas.
processing
comp manipulates data in many ways that is called processing
CPU or central processing unit.
where most processing takes place.
usually a microprocessor
usually a microprocessor
microprocessor
electronic component that can be programmed to perform tasks based on data it recieves
memory
area on the comp that temporarily holds data waiting to be processed, stored, or output
storage
area where data can be left on a permanent basis when it is not immediately needed for processing.
file
collection of data that exists on storage medium such as cd dvd or flash drive
computer program
series of instructions that tell a comp how to carry out processing a task
software
sets up a comp to do a specific task. to run it is to carry out task
stored program
series of instructions for a computing task can be loaded into a computer's memory
application software
set of computer program that helps a person carry out a task
system software
help the computer system monitor itself in order to function efficiently
operating system (os)
master controller for all activities that take place within a comp
data representation
form in which data is stored processed and transmitted. digital or analog
digital data
text, numbers,graphics, sound, and video that has been converted into discrete digits such as 0 and 1s.
analog data
represented usuin an infinite scale of vales
bit
binary digit - a 0 or 1 used in the digital representation of data
numeric data
consuts of numbers that might be used in arithmetic operations also called base 2.
binary number system
only 2 digits. 0 and 1
op code
operation code - command word for an operation such as add, compare, or jump.
operand
instruction specifies the data, or the addresses of the data for the operation
ALU
arithmetic logic unit
part of microprocesser that proforms arithmetic operations logical operations
registers
to hold data that is being processed
control unit
fetches each instruction
instuction cycle
refers to the process in which a comp excecutes a single instruction
periferial device
designates input output and storage equitment that might be to a computer system to enhance its functionality
system unit
case that holds to conputers main circuit board microprocessor memory power supply and storage devices
front side bus
FSB- a term that refers to the circutry that transports data to and from the microprocessor
hyper transport
some processor manufacturers use a technology called hyper transport to increase the speed of data moving to the processor
word size
refers to the number of bits that a microporcessor can manipulate at one time
cache
special high speed memory that allows a microprocessor to access data more rapidly then from memory located elsewhere on the system board
RAM
random access memory
temp holding area for data waiting room
capacitors
microscopic electronic parts
hold the bits that rep data
volatile
requires electrical power to hold data
virtual memory
area used to store data until its needed
ROM
read only memory
memory with its startup routine
*permanent
ROM BIOS
basic input/ output system
storage medium
disk tape paper contains data
storage device
records and retrieves data from a storage medium
access time
ave time it takes a comp to locate data on a medium and read it
random access (direct access)
able to jump directly to requested data
sequential access
tape direct. has to start at beginning
data transfer rate
amount of data can be moved fro medium to comp per sec
storage density
amt of data that can be stored in a given area of medium
USB flashdrive
portable storage device that plugs directly into a comps system unit using a connector UFDs
U3 drive
U3 smart drive
special USB that autoplays in a comp
productivity software
any type of software that has the potential to help people do their work more efficiently
groupware
designed to help people work on the same project using the internet
utility software
helps your monitor and configure settings
speadsheet
uses row and columns of numers to create a model or rep a real situation
spreadsheet software
excel or open office provides tools to create electric shreadsheets
what-if analysis
answer questionss
worksheet
grid
cell
1 square with a value or formula
value
number that you want to use in a calculation
label
any text to describe data
executable file
EXE file
computer virus
instructions that attach to files and spread
worm
carries out unauthorized activity
trojan
seems to be doing one thing but actually ding another
bot
intelligent agent carries out tasks automatically
zombie
bad bot
user interface
combo of hardware and software that helps people and comps communicae with others
GUI
graphical user interface menu options
About this deck
By: Tori Bartley
Textbook: Jt''s Conversations on True Basic - John T. Chirco - Paperback
New Perspectives on Computer Concepts 2010, Introductory (New Perspectives (Paperback Course Technology))
Created: 2010-03-30
Size: 71 flashcards
Views: 431
Textbook: Jt''s Conversations on True Basic - John T. Chirco - Paperback
New Perspectives on Computer Concepts 2010, Introductory (New Perspectives (Paperback Course Technology))Created: 2010-03-30
Size: 71 flashcards
Views: 431
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
Dennis