CGS 2060 FSU - Midterm
Gigabyte
1 billion bytes
system unit
Desktop computers are stationary devices that consist of a separate case
bit
Represented by a 0 or a 1, the smallest unit of data a computer can process
Native
maximum resolution of a display device
Smart phone input devices
o Motion sensors o Microphone o Buttons and/or switches
NVidia
produces popular mobile device processors
CTRL+A
select all
Bus width
the amount of data that can be transmitted at a given time
CTRL+U
underline
Megabyte
1 million bytes
Kilobyte
1 thousand bytes
Terabyte
1 trillion bytes
Petabyte
1,000 terabytes of data
smartphone
A cell phone that allows you to surf the web
contrast ratio
A description of the difference in the luminance of displays white pixels compared to the lack pixels
computer
A digital device that accepts input, process data into information, stores data and provides output
gait
A method of identification that is valuable because it can be used at night or through walls with infrared cameras or even with satellite imagery
optical drive
A type of computer drive that writes and reads data using lasers
Byte
Each number, a special character, and letter of the alphabet is represented as a byte
Superzoom
Ease of use with high optical zoom capability
Point and Shoot
Ease of use with some optical zoom capability
Byte
Equal to 8 bits
Machine cycle
Fetch, decode, execute, and store
1080 horizontal line of pixels
High definition displays
DSLR or mirrorless
High resolution with interchangeable lens capability
peripherals
Items that can be connected to a digital device
The technology that allows relatively high-quality sound to come from tiny devices such as hearing aids and smartphones
MEMS chip
electronic (solid state)
Memory, such as RAM or cache, has no moving parts
optical zoom
Most cellphone cameras do not have
QWERT
Most keyboards have the letters in a rather strange arrangement. Because of this layout, they're referred to as
VGA
Popular in the 1990s, the blue port in the image is used to connect computers to monitors or televisions
trackpad
The pointing device found on nearly all laptops
HDMI
The port/ connector combination that is use for nearly all high definition television or computer connections
connector
The specialized end of a cord, plug or expansion card that connects into a
MIDI
The technology that allows a computer to serve as a sound studio
thumb drives (USB or flash drives)
They are inexpensive and reliable
lasers
To read pits and lands, optical storage devices
gigabytes & terabytes
Typical hard drive capacities would be measured in
Point and shoot digital cameras
Use the same technology as smartphone cameras. Incoming light is focused on active pixel sensor array
L
a channel over which information flows inside a computer
Unicode
a coding standard using at least 16 bits to represent a character of information
Process
a computer does this to transform data into information
desktop
a good choice for gamers who want to be able to expand its capabilities and for families with children who might drop a laptop
input device
a peripheral such as a keyboard or a mouse
High-definition multimedia interface
a standard interface for audio-video connectivity which allows for the transmission of high-definition audio and video signals
Input
accepting data
Solid state drives (SSD)
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
Word size
amount of data a processor can hold and process at one time
DVD RW
can be erased and re-recorded on multiple times
Blu-ray RW
can store the most information
CD ROM
cannot be erased or re-recorded
Resolution
clarity of an image
AMD
company technology is featured inside every major next-generation gaming console and home entertainment system: Microsoft Xbox One, Sony's PS4, and Nintendo's Wii U
CPU
computer processor. Brain of the computer. Located on the motherboard of the computer
CTRL+X
cut
Clock speed
dictates how many instructions can be processed each second by the CPU
Gigahertz
equal to one billion cycles per second
Megahertz
equal to one million cycles per second
Hertz
equals one cycle per second
Capacitance
fingerprint scanners are the most common biometric identification devices
Many DSLRs have full (35mm) sensor arrays enabling photographers to taxes extremely
high-resolution
Output
his function refers to displaying the information
ROM (read-only memory)
is actually storage since it retains data and information when the power has been turned off
L1 cache
memory located directly in the processor itself
L3 cache
memory located next to the processor
Disk cache
memory used to increase a hard drives efficiency
Frame rate
number of times per second a frame in a video is advanced
The Boot Process
o Device is powered on and the CPU activates BIOS o The Power-On Self-Test is executed o The OS is loaded into RAM o The OS checks the registry setting and loads saved configuration setting
Output
o Displaying a YouTube video on a TV screen o Playing a song from Spotify o A spreadsheet printout o Speaker o Projector o Printer o Monitor
Trait useful for biometric recognition
o Everyone must have the trait o The trait must not change over time o The trait must be measurably different with each person
Smart phone camera features
o Front and rear facing cameras o Led flash capability o Video capability
Features of a tablet computer
o Highly portable o Smaller OS o Includes touchscreen o Cannot upgrade RAM
Examples of computers
o Laptops o Desktops o All in ones o Tablets o Smartphones o Mainframes o Servers o Gaming consoles o Embedded devices
NFC
o Near filed communication o Uses magnetic field induction o Apple pay, google wallet and android pay
Input
o Recording a song using MIDI o Putting a video from your phone onto your computer o Entering text in a word processing program o Game controller o Keyboard o Microphone o Mouse
point of sale system
o Scale o Magnetic ink character reader (MICR) o Touchscreen
Common Severs
o Web server o File sever o Network server
Facial recognition
o feature charting o 3D mapping o Skin texture
CD drive/port
optical drive
CTRL+V
paste
CTRL+P
single-core
processor has just one core
Bluetooth
provides short distance wireless communication between electronic devices using extremely low power radio signals
optical zoom
resolution remains the same when focusing on distant objects
Overclocking
running the processor faster than recommended by the manufacturer
CTRL+S
save
NFC
short range wireless technology used for data transfer and electronic payments
Pixel
smallest element of an image
CTRL+ESC
start menu
Store
to keep data for future use
defragment
to reduce the time, it takes to find files on a hard drive
clock speed and bus width
two factors that impact a processor's
CTRL+Z
undo
Dynamic
using a stylus and touchpad to map the signature and also measure pressure, pen angle, pen up/down, speed, etc., is known as what type of signature recognition
graphics adapter
video card
Intel
world's largest manufacturer of processors
Multicore
• two or more cores on a processor
Point and shoot digital cameras
♣ Can have a bigger sensor array = high resolution ♣ Can have an extending lens = optical lens
Input devices
♣ Keyboard ♣ Mouse ♣ Touchscreen ♣ Touchpad ♣ Camera ♣ Microphone ♣ Game controller
peripherals
♣ Printers ♣ Monitors ♣ Game controllers ♣ Keyboards
