cos 2060 midterm
terabyte
1 TRILLion bytes of data
gigabyte
1 billion bytes
megabyte
1 million bytes
kilobyte
1 thousand bytes
terabyte
1000 GB =
petabyte
1000 TERABYTES
COPPA, the red flags rule
According to the FTC, a few US internet privacy laws/rules of importance are
LCD
BC of their minimal power requirements, most laptops, smartphones, and tablet computers use ___ display
higher (bc they are better and higher in demand)
BC they have no moving parts SSDs costs tend to be ____ than traditional magnetic hard drives
pic
Correct order of steps for checking hard drive capacity on laptop that has windows 10 installed
4.5 GB
DVDs provide approximately __gB of data
y, n, n
Do tablets run smaller versions of OS? can you upgrade hardware in tablets? are tablets as powerful as computers?
1080 (1920x1080)
HD displays have ____ horizontal lines of pixels
phone
HDMI port pic
used to store data and has more capacity than RAM. 500GB-8TB. used to increase the storage space. Less expensive than RAM. The memory where data is stores is Hard Drive. attached to the disk controller of the computer's motherboard
Hard Drive
javascript object notation
JSON =
energy efficient thin great for well-lit areas
LED statements that are true
rate
# of times per second a fram in a video is advanced is the definition of frame __
object oriented analysis
OOP - object oriented programming also =
redundant array of independant discs
RAID stands for
allows direct access to any memory location and user can read and write data and continues to save memory until there is a constant power supply. is a volatile memory. Size ranges from 256MB-32GB. located on top of the motherboard. used to increase the speed of the pc and clears its memory after a program has been used
RAM
Radio frequency Identification
RFID stands for
oled
Relatively expensive technology, but makes extremely thin, curves and flexible displays uses red green blue LED to create each pixel more expensive to produce than LCD screens has best possible contrast ratio
T
T/F in general, the more data being transferred the shorter the cord
app manager
Uninstalling an app from a droid usually requires navigating to the ___ menu
pic
VGA connector
SSD (Solid STATE drives)
____ _____ ____ (SSDs) are all electronic storage devices that are used in a variety of products including smartphones, cameras, and tablet computers. SSDs have no moving parts, which makes them faster and more durable than hard drives
ROM
_____ is actually storage since it retains data and info when the power has been turned off
webcam
a camera that takes photos or streams video into a computer or over the internet is called a____
smartphone
a cellphone that allows you to surf the web is called a ____ this is actually a powerful computer capable of accepting input, processing data into information, providing data into information, providing and storing data.
unicode
a coding standard using at least 16 bits to represent a character of info
operating system
a computer platform is commonly referred to as a, or an OS
server
a computer system in a network that is shared by multiple users is a
loop
a decision point in a flowchart that asks a question and has 3 parts (an initial value, a process, and a test condition) is called a ___
contrast ratio
a description of the difference in the luminance of a displays white pixels compared to the black pixels is called
computer
a digital device that accepts input, processes and stores the input, and provides output is a _____
digital
a digital presence created online by an individual, organization using a digital device is called a ___ identity
flowchart
a graphic representation of a process
web
a key component in an employee-monitoring program is the utilization of ___ and internet filters
privacy
a major concern associated with genealogical DNA testing is __
gait technology
a method of identification that is valuable because it can be used at night or through walls with infrared cameras or even satellite imagery is ____
pseudocode
a programmers shorthand that often serves as an intermediate step in transitioning an algorithm (flowchart) to the program code itself is called
AJAX
a set of programs that allow a data to be exchanged on a website without changing the website's display is
port
a slot or hole that matches the cord or expansion card being connected to the port
active
a technology that allows high quality cameras to be small enough to fit in a smart phone is a ____ pixel sensor CMOS technology
plug and play
a technology that enables the OS to detect and configure peripherals without downloading software or drivers
acceptable use policy
a written document that provides a framework of rues to be followed by users of computers, networks, websites and computer resources ic called
sampling rate
accuracy of a digital recording is determined by the ____ ____
processor
all computations and activities in a digital device are conducted by the ____
USB
allows for data transfer between devices to be electrically charged
HDMI
allows for the transmission of high - def audio and video signals
interpreter
allows programmers to convert source code line-by-line
adapter
also called a video card ______
3d
also known as additive printing
wordsize
amount of data a processor can hold and process at one time
antenna
an RFID system consists of three components: ___ transponder transreceiver
graphics
an image or video
oreo
android __ is googles newest mobile OS version
language
another term for a programming code is a programming ___
swift
apple developed ___ because objective C was difficult to write in
NFC
apple pay uses ___ for payment transfer
presentation
applications that enable a user to create visual aids that can be projected on a screen or displayed on a digital display are called ___ software
headphones
because of their slim profiles, most smartphone speaker produce tinny music. because of this, many users purchase earbuds or _____
pic
boot process order
uses magnetically charged plates to store data commonly found in desktop computers
characteristics of a traditional hard drive
converts electrical impulses into air movement digital devices use digital-to-analog converters
characteristics of audio output
retains data when power is turned off sometimes referred to as secondary storage
characteristics of computer storage
the closer the spacing the sharper the image the distance between two adjoining sub-pixels in a display a description of the quality of a monitor or tv screen
characteristics of dot pitch
compiler
checks for errors and converts an entire program from source code to machine language
resolution
clarity
DSLR, point and shoot
common choices among digital cameras
Lexmark HP brother canon NOT windows
common printer manufacturers
web, file, network
common types of servers
thunderbolt
commonly found on apple computers -- six different peripherals to be connected to one device
liquid crystal display LCD
commonly used for smartphone and tablet displays slow refresh rate since it relied on molecular movement
programming
converting a task into commands that a computer can use to perform the task is one def of
SDLC
developing an IT system uses a process called __
point of sale
devices such as modern check-out machines in stores are called ___ __ ____ (or service) machines
peripherals
devices such as speakers, printers and external keyboards are examples of
diamond (yellow)
element that reps a decision point on a flow chart
cloud
emailing yourself a document so that it is available online is an example of ____storage
icon
emoticon is a blending of the words emotion and ___ and refers to keyboard characteristics that are used to represent facial expressions and objects
adaptive
equipment and tech that allows users to input data into a computer without the use of a traditional keyboard and mouse or touchpad is referred to as ____ use
machine cycle
fetch, decode, execute, store
maintaining
final phase of SDLC has two phases. a system audit and an evaluation phase. the final step is referred to as a ___ the system
capacitance
fingerprints are most commonly scanned using what kind of tech?
investigation
first step of SDLC
debugging
fourth step of PDLC is correcting error and such
development
fourth step of SDLC
education
free openly licensed learning resources that are available for online instructors and students to use are called open____ resources
education
free openly licensed learning resources that are available online for instructors and students to use are called open ___ resources
DNA misuse insurance companies using this for their advantage
genealogical DNA testing allows users to check their genetic backgrounds. 2 disadvantage associated with this testing is ...
creative
global nonprofit organization that empowers people to create open resource materials that can be shared or reused is ____ commons
physically spinning platters has a read/write head to detect magnetic charges uses magnetic charges to store data
hard drive characteristic
cache
high speed storage area usually located directly on the CPU is called
macintosh
if in film industry buy a
manufacturer the amount of RAM whether the tablet has an HDMI port
important considerations when purchasing a new tablet computer include:
digital
in photography, there are two ways to focus on distant objects: optical zoom and ___ zoom
EFT Act
in the US the federal ___ covers most consumer oriented electronic transactions
below
injet printers are often sold ___ production costs
language
instructions or software that allow a computer to be used are written using specific symbols, letters and numbers known as programming ___ or code
biometrics
literally meaning "life measure" ____ technologies enable accurate identification
optical drive
many manufacturers have made an ___ optional equipment when purchasing a new laptop
native resolution
max resolution of a display device
screen size
measured diagonally
cache
memory and ____ hold data used by processors
macros
mini-programs that reduce the number of routine steps
iris
most common eye recognition method uses
256 gb - 1 terabytes
most new laptop computers come with how much storage
experts
most popular lossy image compression format is the joint photographers ____ group
color depth
number of bits of data describing each pixel in a display is referred to as
resolution
number of pixels
connector
on a cable, the connector is the end that connects to a port
java, javascript, C++
once the algorithm or plan has been created the next step in the PDLC is to write the coding for the program. this highly structured process may be completed using which languages
settings
one way to uninstall an app from your android device is to start at the home screen and then click on ___
RFID
passports issued by the US and many other countries include ___ chips
free for the buyer to use provides buyer protection against fraud
paypal characteristics
unix, avaya, windows server
popular NOS include
3.5 mm connector (AUX)
popularized with transistor radios in the 1950s this connector is used with nearly all cell phones today
DPI dots per inch
print quality is measured in
touchscreens
projective capacitive technology is used in many ___
scripted language high level programming language assembly language machine language
rank following in generational order with highest at top
ultrahd 4k UHD
refer to ultrahigh def tv
analysis
second step of SDLC
written in flow chart written in natural language such as english
select the statements that describe a computer programmer's algorithm (2)
skin text measuring, 3d mapping, feature charting
select the technologies used by facial recognition software
irises, stride, fingerprints
select the traits that are currently used for biometric identification
pixel
smallest element of an image
implementation
step in which the old IT system is converted to the new IT system is called the ____ of the SDLC
investigation analysis design development implementation maintenance
steps of SDLC
free to download and use
strength of linux
gait analysis
stride analysis also =
ultra hd
television displays with resolutions of at least 3840 x 2160 pixels are referred to as
app
the abbreviation for computer application is ___
ergonomics
the art and science of creating output that provides information in the most useful manner is called
java
the coding step of PDLC might use which of the following languages?
system
the computer hardware and software that an organization uses to increase its productivity is referred to as an IT ___
evaluation and system audit
the final system of the SDLC had two phases
investigation
the first step in the SDLC involves defining the problems that the IT system should address, examining various alternatives and reporting the findings. the is referred to as the ___ step
problem
the first step in the program development life cycle is "defining the"
generation
the level of complexity of the programming language, or the degree from which it is separated from machine language itself, is called the ___ of the programming language
trade
the main governmental organization that oversees internet privacy in the US is the federal ____ commissions
windows
the most common OS for personal computers is microsoft __
system development life cycle
the process used to develop and maintain an IT system is referred to as the SDLC. SDLC refers to ?
top down programming design
the programming design that forces programmers to consider how the algorithm can be written in computer code by first breaking it down into smaller tasks is called ___ ____ ____
giga hertz
the speed of modern processor is measured in
implementation
the step in which the old IT system is converted to the new IT system is called the system ____ step of SDLC
Analyze data (determine system requirements) data collection (gathering info about needs and existing hardware and software) prepare the system specifications
the system analysis step of the SDLC involves 3 phases. what are they?
data
the technology allows for the electronic communication of business-oriented transactions and information between people and organizations is called electronic __ interchange
MEMs
the technology chips that allow cell phone microphones and hearing aids to be so small is the ____ chip
optical character
the technology that allows any text, even handwritten scrawls, to be digitized is known as ____ ____ recognition
aspect ratio
the width of a screen compared to the height of a screen is referred to as
visual basic
this is the beginners all-purpose instructional code designed for use with GUI platforms its BASIC
plasma
this type of display creates images with pixels made of red green and blue cells filled with ionized gas
ergonomic
to avoid stress injuries such as carpel tunnel consider getting an _____ keyboard
sampled
to convert sound waves into digital signals, each sound wave is ___
defragment
to reduce the time it takes to fin files on a hard drive, it is a good idea to ____ your hard drive
spreadsheet
used to format and display numbers and texts in cells, ___ programs are used to perform calculations and structure data and are widely used in by organizations
ulta sonic, capacitance, optical, NOT microwave
used to take fingerprints
package tracking, pet ID, inventory tracking
uses forRFID tags
plasma
uses microscopic tubes of ionized gas to create displays
bluetooth
using extremely low power radio signals, short-distance wireless connections are often made using _____ technology
optical media
using reflective material to store data that canoe read using a laser is media storage
monitor
video screen that comes with a computer is referred to as its
bluetooth or USB
ways of connecting mouse to computer
mechanically moves a pen over a large sheet of paper prints large graphic drawings
what are some characteristics of a plotter
see pic CD carrier, usb, phone
what are some examples of external storage devices?
keyboard, microphone, mouse
what are some input devices
desktop
what is a good choice computer for gamers who want to be able to expand it capabilities and for families with children who might drop a laptop
NFC
what is a short range wireless technology used for data transfer and electronic payments
optical zoom capability
what is not typical included in smartphone cameras
see pic on phone
what is the correct order of disc clean up?
can be used to identify a variety of objects including objects, animals, and people implanted with an active RFID chip RFID does not require line-of sight scanning
what is true about RFID
optical
what kind of drive is a CD holder
edi
what technology allows for the electronic communication of business-oriented transactions and information between people and organizations
settings, applications manager
what two buttons do u press to uninstall app
-go to launchpad, hold the program icon and click on X -drag the program icon to the trash, click the finder, empty the trash
what two methods will uninstall a program from a macintosh computer
not saved
when a computer is shut down the info in the memory (RAM, caches, registers) is ____ _____
driver
when adding new hardware such as a printer to a computer, you often have to add associated software that allows the printer to work with your computers operating system. this is called an ____
theft
when copyrighted software is illegally copied, distributed, modified or sold and considered direct copyright infringement, software ___ has occurred
8-16 gigabytes
when you buy a new laptop how much RAM should it have
thermal
when you get a receipt from a store or restaurant, its probably printed on __ paper
b2b. c2c, b2c NOT G2b
which are ecommerce transactions?
using your debit card to purchase gas, direct deposit, atm withdrawal
which of the following are examples of EFT transactions?
DVDs use longer red spectrum lasers dvds and blue rays r optical media
which statements are true
html5
while not technically a programming language, ___ refers to the protocols that allow content to be displayed on the web
predictive text
while testing a friend your phone suggest the next word to use. this is called ___ ___
programming
writing of software instructions in a specific computer language is called
algorithm
written in natural language and in the form of a flowchart, a programmer uses an ___ to describe the problem the program will solve
