800 MHz refers to public safety radio systems using channels located in or near the 800 MHz band. Approximately 300 channels located in the 800 MHz spectrum band have been assigned for use by state and local public safety entities. The disadvantage is that this higher frequency has less range and so a greater infrastructure is needed to cover the s [..]

AFIS is a database of digitized offender fingerprint files. A user can enter a fingerprint and a computer will generate a list of possible matches within minutes. The matches are then examined and verified by a fingerprint expert. Architecture

) AVL uses Global Positioning System technology to locate the position of patrol cars on a digital map. This information assists the dispatcher in knowing which calls should be assigned to which officers. B

BIOS controls the startup of the machines or computers and other functions such as the keyboard, display, and disk drive. The BIOS is stored on read-only memory and is not erased when the computer is turned off. The BIOS on newer machines is stored on flash read-only memory, allowing it to be erased and rewritten to update the BIOS. C

CAD is a computer system that assists 911 operators and dispatch personnel in handling and prioritizing calls. Enhanced 911 will send the location of the call to the CAD system that will automatically display the address of the 911 caller on a screen in front of the operator. Complaint information is then entered into the computer and is easily ret [..]

Client / server architecture is a network model that a computer or process server uses to provide services to the workstations (clients) connected to that computer (server). This architecture allows the client to share resources such as files, printers, and processing power with other clients. Compliant

Computer crime mapping allows a department to display calls for service on a computerized pin map that aids in crime analysis efforts. Conversion

A data dictionary is a file that defines the basic organization of a database. It will contain a list of all files in the database, the number of records in each file, and the names and types of each field. Data Standards

Encryption is a process that translates plain text into a code (ciphertext) as a mechanism for protecting its confidentiality, integrity, and sometimes its authenticity. The reader of an encrypted file must use an encryption algorithm and one or more encryption keys to decrypt the file. F

Firewalls are systems designed to prevent unauthorized access to or from a private network. They are often used to prevent Internet users from accessing private networks connected to the Internet. Functional Specifications