april 4

devicethat identifies the destination of messages and sends them via an appropriate route

program that searches a large database to find matching items. The most common use of a search engine is to find Internet addresses based on given key words

type of memory that allows a user to store data and programs for as long as desired, for example on a hard disk drive

security in the context of computing is a large subject but in outline it might refer to risk to hardware, software, or information

is an algorithm that works as follows:

• a. Find the minimum value in the list
• b. Swap it with the value in the first position
• c. Repeat the steps above for the remainder of the list (starting at the second position and advancing each time)

The relationships of characters or groups of characters to their meanings

a device that detects measurable elements of a physical process for transfer to a computer

an access method used to read from, write to or remove records from a file based on their logical order in the file.

• Or (just one, not both
• are needed, you choose)

method to access one record at a time, from first to last, in order to read from, write to or remove the record from the file.

a file in which records are ordered and retrieved using sequential access.

a search in which records in a file or other data structure are examined one by one in the order they were entered until a specific criterion is met or there are no more records to examine