IB Java Terms

A device for converting analog signals into digital ones for subsequent computer processing; sometimes called a "digitizer". A digital to analog (D to A) converter operates in the reverse direction.

Pathway from memory to processing unit that carries the address(location) in memory to and from which data is transferred.

An ordered set of well-defined instructions for the solution of a problem in a finite number of steps.

Arithmetic and logic unit: a part of the computer that performs arithmetic operations, logic operations, and related operations.

The representation and measurement of the performance or behavior of a system by continuously variable physical entities such as currents, voltages and so on.

Discrete data

The output of "and" is True if all statements are True, False if any statement is False.

A program that runs in the context of a browser.

A program that runs when translated by a Java compiler.

Data that represents a record of data held and processed at a specific time, which is held off-line for future research or for legal reasons.

• 1. An arrangement of data in one or more dimensions
• 2. In programming languages, an aggregate that consists of data objects, with identical attributes, each which may be uniquely referenced by indexing.

Byte

A second copy of a file, to be used in the event of the original file being corrupted.

A pattern of vertical lines distinguished from each other by width. It can be read by a bar code reader to provide data to a computer.

an optical reader that can read bar codes

In a mathematical number system, the number of unique digits, including zero, used to represent numbers based on positions, location with respect to the decimal point

method of processing data in which transactions are first collected, then prepared for input into the computer to be processed as a single unit. ex. payroll

search used on an ordered set of elements in which at each step of the search, the middle value of the current set of elements is compared to the search element. If it is not the value, the upper or lower half will be searched using the method, repeating until the value is found or determined to be not on the list.

binary digit. the smallest unit of information for data storage and transmission. Each bit is considered to either be 0 or 1

the smallest unit of data that can be transferred between memory and backing storage (hard drive) in one operation

extension for files in bitmap form

expression that has a value of true or false

bits per second

used to give interactive access to information on the world wide web, retrieving web pages and displaying in multi-media format