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55 Cards in this Set

  • Front
  • Back
What is booting?
process of starting the computer
What is a network operating system?
Supports a network of computers
Magnetic storage media
Usues magnetic patterns to store items.
floppies, tape, hard drive
What is user interface?
controls how you enter data and instructions and how information displays on the screen.
What is a cold boot
when you turn on a computer after it has been powered off completly.
bringing info from website to own computer
Read Write Head
a read write head in the floppy disk drive reads items from or writes items on the floppy disk
is the core of an operating system that manages memory and devices, maintains the computer clock
Any data or instructions you enter into the memory of the computer
No impact printer
ink is sprayed on paper
Upward media
are NOT floppy disk drives
What is MICR?
Magnetic ink character recognition. Reads magnetic ink.
data the is organized, meaningful and useful
Internet Hard Drive
Rented storage space
Instruction given to a computer program
Sharpness of an image.
measeured in pixels
What are some things the Operating system does?
starts the computer, provides a user interface, manage programs, manage memory, access the web, provide housekeeping, control and network, administer security
What is OS/2?
multitasking client operating system - it can run DOS and most windows programs.
What is a Utility program?
it performs a specific task-
file compression, disk clean up
What is a server operating system?
Generally resides on a server
Impact Printer
stikes the paper
What is a username?
unique combination of characters that identifies one specific user
What is OMR?
Optical Mark Recognition-
recognizes marks
sends print jobs to the buffer instead of sending them immediately to the printer.
Moving files from your computer to another computer
combination of characters associated with the username that allows access
Output device
printer, speakers
Colection of Raw unprocessed facts and figures
Monitors LCD
Liquid crystal display
What is a File Manager?
performs functions such as formatting and copying disks, checking used and free storage.
Optical Scanner
highest level
reads characters, scans and can edit
series of instructions that tells the computer how to perform the tasks necessary to process the data into information.
What are the Two Command Line interfaces?
Sequential access
is much slower than direct
What is a command line interface?
type keywords or press special keys on the keyboard to enter data and instructions
Incorporate design,comfort and safety in the workplace.
What is a device driver?
small program that tells the operating system how to communicate with a peripheral.
Single user operating system
allows only one person to runone program at a time
Input Device
Keyboard, mouse, scanner, microphone
What is DOS?
Disk operating system-
it is a command line interface
What is an operating system?
is a set of programs containing instructions that coordinate all the activities amoung the hardware
What is an Embedded operating system?
resides on a ROM chip- Used in hand Palms- etc.
Multiuser operating system
enables 2 or more users to run a program simultaneously.

Fault Tolerant computer
Continues to operate even if one of its components fails. It can repair itself.
Downward compatible
usually floppy disk-
means they can recognize and can use earlier media
What is a buffer?
segment of memory or storage in which items are placed while waiting to be transferred to an output device.
Multitasking operating system
allows a single user to work on two or more applications that reside in memory at the same time.
Thermal printer
heat used to bond ink
Monitors. CRT
Catho Ray Tube
Large sealed glass tube
The refresh rate is the speed the monitor redraws the image
Uses Dot pitch to measure image
What is a warm boot?
process of restarting a computer that is already on.
Direct Access
Floppy disks, hard disks, and CD's us this.
means you can locate a particular data item for file immediately
Recovery disk
-boot disk-
contains system files that will start the computer.
Optical Storage media
more than 1 media
2 types of user interface
Command line and Graphical user