week two Flashcards
(45 cards)
A set of electronic circuits used to route data and instructions to and from the various components of a computer.
bus
A type of high-speed memory that a processor can access more rapidly than main memory
cache
Sets of keywords, commands, symbols, and rules for constructing statements by which humans can communicate instructions to a computer.
pjrogramming languages
The ability to increase the processing capability of a computer system so that it can handle more users, more data, or more transactions in a given period.
scalability
A component of a computer that takes binary data from the CPU and translates it into an image you see on your display device.
computer graphics card
The core component of data management; it defines the roles, responsibilities, and processes for ensuring that data can be trusted and used by the entire organization, with people identified and in place who are responsible for fixing and preventing issues with data.
data governance
An integrated set of functions that defines the processes by which data is obtained, certified fit for use, stored, secured, and processed in such a way as to ensure that the accessibility, reliability, and timeliness of the data meet the needs of the data users within an organization.
data management
A well-designed, organized, and carefully managed collection of data.
database
An attribute or set of attributes that uniquely identifies the record.
primary key
A series of electronic pulses produced at a predetermined rate that affects machine cycle time.
clock speed
**
A group of programs used to access and manage a database as well as provide an interface between the database and its users and other application programs.
database management system (DBMS)
A climate-and-access-controlled building or a set of buildings that houses the computer hardware that delivers an organization’s data and information services.
data center
A characteristic of an entity.
attribute
A nonportable computer that fits on a desktop and can provide sufficient computing power, memory, and storage for most business computing tasks.
desktop
Raw facts such as an employee number or total hours worked in a week.
data
A collection of data organized and processed so that it has additional value beyond the value of the individual facts.
information
The awareness and understanding of a set of information and the ways that information can be made useful to support a specific task or reach a decision.
knowledge
Which type of operating system is used in larger server or mainframe computers that support hundreds or thousands of people, all using the computer at the same time?
Single computer with multiple simultaneous users
Which term refers to a virtual server program that controls the host processor and resources, allocates the necessary resources to each virtual machine, and ensures that they do not disrupt each other?
Hypervisor
Which term refers to enabling more than one program to run concurrently?
Multitasking
True or False:
Software as a service is a software distribution model under which a third-party provider hosts applications and makes them available to subscribers over the Internet.
True
Which term refers to eliminating columns in a table?
Projecting
Which term refers to the process of organizing the data in a relational database to eliminate data redundancy and ensure data dependencies make sense?
Data normalization
Which process defines the roles, responsibilities, and processes for ensuring that data can be trusted and used by the entire organization, with people identified and in place who are responsible for fixing and preventing issues with data?
Data governance
