Chapter 13 Computers Flashcards
the physical equipment of a computer system
hardware
a computer program that tells or instructs the hardware what to do.
Software
the system that tells the computer how to operate. it is the master or central software program that the hardware and all other software depends on to function.
Operating System
Turning on or restarting the computer, and loading the operating system
Booting up
The marker or pointer on the screen that indicates where the next letter or other character will be displayed on the screen.
Cursor
a handheld input device that moves the cursor by rolling, clicking and dragging motions
Mouse
the ability of a computer to receive information for the user talking into a microphone
Speech recognition
an input device that converts text images into an electronic or digital format that a computer can recognize.
Scanner
the process by which a scanner digitizes text or images
imaging
a computer program that performs specific tasks directly for the consumer or end user.
Applications software
a file format consisting of an electronic image of a document that preserves the features or elements of the document (e.g., line spacing, photographs, font size) that existed before it was converted into a digital document.
PDF (Portable Document Format)
the part of the computer that controls all of its parts.
CPU- Central processing unit
the internal storage capacity of a computer
memory
memory that stores data that cannot be altered, removed or added to. The data can be read only.
ROM (read only memory)
memory that stores temporary data that are erased (unless properly saved) whenever the computer power is turned off.
Random Access Memory (RAM)
the storage equivalent of one space or character of the alphabet typed into a computer.
Byte
able to read data on a device and to write or insert additional data into it
Read/write
able to read data on a device but not to alter, remove or add to the data
Read only
A compact disk that stores data in a digital format
CD-ROM (compact disk read only memory)
a drive that can read data on a dvd disk.
DVD Drive (Digital versatile disk)
an * that stands for one character within a term you are searching in Westlaw or Lexis Nexis
Universal character
an ! that stands for one or more characters added to the root as a term you are searching in Westlaw or Lexis Nexis.
Root expander
a special character that can be used to represent one or more characters in search query.
Wildcard
A portion of a document in Westlaw that can be separately searched
Field
a portion of a field in Lexis Nexis that can be separately searched.
Segment
a search of every word used in every document in a database.
Full text search