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CIS 106 Chapter 1B
CIS 106 Chapter 1B
77
Computer Science
Undergraduate 1
08/26/2012

Additional Computer Science Flashcards

 


 

Cards

Term
Insertion Point
Definition
Indicates where the characters you type will appear.
Term
Optical Mouse
Definition
Uses a LED light to track mouse movemement.
Term
Laser Mouse
Definition
Uses a laser to detect movement.
Term
Trackpad
Definition
Touchpad
Term
Trackball
Definition
A type of mouse with a ball ontop used to scroll.
Term
Stylus
Definition
Important to use when entering input into a touchpad computer.
Term
CRT monitors
Definition
Carthode Ray Tube, original monitors that were bulky.
Term
LCD
Definition
Liquid Crystal Display
Term
LED lights use what?
Definition
They emit diodes
Term
What type of screen to handheld devices use?
Definition
OLED
Term
OLED
Definition
Organic Light Emitting Diodes
Term
Two most common resolutions for monitors.
Definition
800 x 600 and 1024 x 768
Term
Viewing angle width
Definition
Monitors Size
Term
Dot pinch
Definition
measure of image clarity.
Term
Color or bit depth
Definition
Refers to the number of colors a monitor or graphics card can display.
Term
Ink-jet printer
Definition
A printer that sprays  ink onto a paper
Term
Laser printer
Definition
Uses technology that creates dots of light on a light sensitive drum.
Term
Toner
Definition
Fine powder that creates images
Term
Printer Resolution
Definition
Quality of the printed image or text off a printer
Term
DPI
Definition
Dots per inch, a good measure of printer resolution
Term
Normal Quality printers have a dpi of roughly ______
Definition
900 dots per inch
Term
Good Quality printers have a DPI that is roughly _____
Definition
2400 - 4800 dots per inch
Term
PPM
Definition
Pages Per Minute, a test of how fast a printer can print up pages
Term
Typical Speed of a printer
Definition
15 to 30 PPM
Term
Memory of a laser printer
Definition
64 - 128 MB
Term
Duplex Printer
Definition
Can print on both sides of the paper
Term
Duty Cycle
Definition
The amount of time in which a device is used
Term
How to share a printer with multiple users
Definition
Group the users as a network and enable the use of the printer to be wirelessly
Term
Network-enabled Printer
Definition
Connects directly to a network and not just a computer
Term
Photo Printer
Definition
Used for printing more photos
Term
Named collection of Data
Definition
File
Term
Data storage system
Definition
Made up of a storage medium and storage device
Term
Devices you can use instead of a hard drive
Definition
CD, DVD, BD drives, USB drives, solid state drives, and solid state card readers
Term
Drive bays
Definition
Storage device locations
Term
Head collision
Definition
Collision when reading the hard drive and it skips over a dust particle
Term
Do iPods use hard drives?
Definition
Yes
Term
Access time
Definition

The time in milliseconds that data can be retrieved from storage medium

 

Term
Data transfer rate
Definition
Amount of data that a storage device can move onto a storage medium
Term
Random Access
Definition
Has the ability to jump to the requested data. An example of this would be hard drives.
Term
Sequential access
Definition
Reads data from begining to end looking for file. An example of this is a tape drive
Term
Magnetic Storage
Definition
Are used by hard drives and tapes, magnetizes particles on disks surface.
Term
Optical Storage
Definition
Stores data as microscopic light and dark spots on disks surface
Term
Parts of an optical storage device
Definition

- Polycarbonate Layer

- Reflective Layer

- Recording layer 1

- Spacer layer

- Semitransparent Layer

- Recording Layer 0

- Polycarbonate Layer

Term
Solid-State storage
Definition
Stores data in a nonvolatile, erasable, low storage chip.
Term
Tape storage
Definition
Consists of a tape drive for the storage device and a tape for the storage medium
Term
Tape cartridge
Definition
Removable magnetic tape similar to cassete tapes
Term
Non formal: Retrieving data
Definition
reading, loding, or opening
Term
Non Formal: Ripping
Definition
Copying Files
Term
Non formal: storing
Definition
Writing or Saving
Term
CD
Definition
Compact Disks
Term
DVD
Definition
Digital video or versatile disk
Term
BD
Definition
Blue-ray disk
Term
ROM
Definition
Read only
Term
R
Definition
Recordable
Term
RW
Definition
Rewritable
Term
CD can hold how much data?
Definition
700 MB
Term
DVD can hold how much data?
Definition
4700 MB
Term
How much data can be saved on BDs?
Definition
25 GB
Term
How does the laser that reads BDs and DVDs differ?
Definition

BD - blue ray

DVD - red ray

Term
Solid-state storage
Definition
Used in digital cameras
Term
Solid-state storage: CF
Definition
CompactFlash
Term
Solid-state Storage: MMC
Definition
MultiMedia
Term
Solid-state Storage: SD
Definition
Secure Digital
Term
SD cards
Definition
Secure Digital cards, have a faster data transfer and have a cryptographic cypher to protect data
Term
Card reader
Definition
Required to read solid-state storage cards
Term
Expansion Port
Definition
Connector that passes data between a computer and a peripheral device
Term
Expansion Card
Definition
Small circuit board that helps computer communicate with a peripheral device
Term
Data bus
Definition
How the computer controls the peripheral device, it sends data over these circuits
Term
Expansion Slot
Definition
Long and narrow socket on the motherboard where you plug the wanted expansion bus into.
Term
Device driver
Definition
Sets up communication between computer and the device.
Term
USB
Definition
Universal Serial Bus
Term
Can I just unplug a USB device when I'm done with it.
Definition
(Yes) No, you first want to use the safe to unplug feature in Windows
Term
Throwing away computers creates _______ or _______.
Definition
E-garbage or technotrash
Term
How many tons of e-garbage is thrown away each year?
Definition
50 tons
Term
How many tons of technotrash are in landfills in the United States today?
Definition
Over 2 million tons
Term
Three of the most dangerous substances found in computer parts
Definition
Mercury, Phosphorus, and lead
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