A (n) _______ uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.
1.command - based user interface
1.Can be updated by the end users
2.Contains numerous naming conventions and formats
3.Organized around important subject areas
4.Contains only current data
1.hardware system used to create; maintain and provide controlled access to a database
2.hardware system used to create; maintain; and provide uncontrolled access to a database.
3.software system used to create; maintain; and provide uncontrolled access to a database.
4.software system used to create; maintain; and provide controlled access to a database.
1.To explain some observed event or condition
2.To confirm that data exists
3.To analyses data for expected relationships
4.To create a new data warehouse
A goal of normalization is to _____
1.minimize the number of relationships
2.minimize the number of entities
3.minimize the number of tables
4.minimize the number of redundancy
1.To provide security against unauthorized users
2.To process client requests for web pages
3.To process client requests for database access
4.To provide TCP/IP
A _________ contains specific rules and words that express the logical steps of an algorithm.
Chip is a common nickname for a (n):
Granting an outside organization access to internet web pages is often implemented using a (n) ____
____ is the science revolving around the use of nanostructures to build devices on an extremely small scale.
Programs from the same developer; sold bundled together; that provide better integration and share common features; toolbars and menus are known as....
2.integrated software packages
3.software processing packages
4.personal information managers
System software is the set of programs that enables your computer’s hardware devices and ______ software to work together.
The code that relational database management systems use to perform their database task is referred to as....
4.personal digital assistants
The most frequently used instructions of a computer program are likely to be fetched from:
1.the hard disk
1.unlock the database
2.provide a map of the data
3.uniquely identify a record
4.establish constraints on database operations.
The steps and tasks needed to process data; such as responses to questions or clicking an icon; are called:
2.the operating system.
4.the system unit
1.word processing and spreadsheet.
2.transaction and application
3.Windows and Mac OS
4.system and application
The ____________ contains data descriptions and defines the name; data type; and length of each field in the database.
This part of operating system manages the essential peripherals; such as the keyboard; screen ; disk drives; and parallel and serial ports ____
1.basic input/output system
2.secondary input/output system
3.peripheral input/output system
4.marginal input/output system
URL stands for ....
1.Universal Research List
2.Universal Resource List
3.Uniform Resource Locator
4.Uniform Research Locator
1.A worm has the ability to self-propagate from an infected user’s computer to other computers
2.A worm is usually written by a cracker: Script bunnies do not have the skills to develop a worm program
3.A virus is very harmful to the computers it infects : a worm is not a serious a problem
4.Anti-virus software is effective in fighting viruses but not worms
1.Capture; process and store transactions
2.Produce a variety of documents related to routine business activities
3.Reduce manual effort associated with processing business transactions
4.Produce standard reports used for management decision making
1.Process a Output a Input a Storage
2.Input a Output Process a Storage
3.Process a Storage a Input a Output
4.Input a Process a Output a Storage
2.Web site address
You must install a (n) ____________ on a network if you want to share a broadband Internet connection.
____ are specially designed computer chips reside inside other devices; such as your car or your electronic thermostat.
____ are specially designed computer chips that reside inside other devices; such as your car or your electronic thermostat.
____ controls the way in which the computer system functions and provides a me Ans: by which users can interact with the computer.
____ controls the way in which the computer system functions and provides a means by which users can interact with the computer.
2.The operating system
_____ describe what is database fields.
_____ terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.
______ bits equal one byte.