Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
The development and use of information systems that help businesses achieve their goals and objectives
4.
A version of Unix that was developed by the open source community.
5.
On a disk, the time it takes the read/write arm to position the head over the correct circle.
10.
A loosely coupled group of programmers who mostly volunteer their time to contribute code to develop and maintain common software. Linux and MySQL are two prominent products developed by such community.
11.
The person who stated that the number of transistors per square inch on an intergrated chip double every 18 months.
12.
Means by which the CPU reads instructions and data from main memory and writes data to main memory.
14.
A column or group of columns used to represent relationships. Values of this attribute match the values of the primary key in a different table.
15.
Characteristic of an entity. For example, SalespersonName is one ... of the Salesperson entity.
18.
A type of diagram used by database designers to document entities and their relationship to each other.
21.
A program used to create, process, and administer a database.
23.
An information system that maintains data about customers and all their interactions with the organization.
24.
An international standard language for processing database data.
25.
A group of fixes for high priority failures that can be applied to existing copies of a particular software product.
27.
A company that produces a computer or other computing device and sells that product to others who add additional features and functions (hardware or software) before selling it to the eventual user.
28.
Knowledge derived from data, where data is defined as recorded facts or figures.
Down:
1.
It is a computer program that replicates itself and take unwanted and harmful actions. It is like computer cancer.
2.
The speed of the CPU; it is measured in cycles per second, or hertz.
6.
An information system for storing and retrieving organizational knowledge, whether that knowledge is in the form of data, documents, or employ know-how.
7.
Viruses that masquerade as useful programs or files.
8.
A circuit board upon which the CPU processing components are mounted and/or connected.
9.
A request for data from a database.
13.
Which hardware component selects instructions, processes them, performs arithmetic and logical comparisions, and stores the results of operations in memory.
14.
Also called columns, groups of bytes in a database table.
16.
E-commerce sales between companies.
17.
An information system that supports operational decision making.
19.
A more formal name of a database table.
20.
A series of diagramming techiques that facilitates OOP development. Has dozens of different diagrams for all phases of systems development.
22.
A popular open-source DBMS product that is license free for most applications.
23.
A small amount of very fast computer memory that holds the most frequently used data.
26.
A virus that propagates itself using the Internet or some other computer network.