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CS 11 Final Exam Flashcards
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CS 11 Final Exam Flashcards

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@JubilantUvarovite

Questions and Answers

What is a web site?

  • A type of database
  • A single web page
  • A collection of related web pages usually belonging to an organization or individual (correct)
  • An internet address

    • What does URL stand for?

    Uniform Resource Locator

    What is a computer?

    A programmable, electronic device that accepts data input, performs processing operations on that data, and outputs and stores the results.

    What is a tablet computer?

    <p>A portable computer about the size of a notebook that is designed to be used with a digital pen, a digital stylus, or touch input.</p> Signup and view all the answers

    What does processing refer to in computer science?

    <p>Performing operations on data that has been input into a computer to convert that input to output.</p> Signup and view all the answers

    What is data storage?

    <p>The operation of saving data, programs, or output for future use.</p> Signup and view all the answers

    What is a supercomputer?

    <p>The fastest, most powerful computer and the most expensive.</p> Signup and view all the answers

    What is software?

    <p>Instructions that tell the computer what to do.</p> Signup and view all the answers

    What is hardware?

    <p>The physical parts of a computer like the mouse, keyboard, monitor, and printer.</p> Signup and view all the answers

    What is the internet?

    <p>The largest network used as a communication tool.</p> Signup and view all the answers

    In a relational database, more than 1 table can be included in the database.

    <p>True</p> Signup and view all the answers

    Normalization is used to minimize data redundancy.

    <p>True</p> Signup and view all the answers

    Using usernames and passwords is a data validation technique.

    <p>False</p> Signup and view all the answers

    A database that stores all data in memory instead of hard drive is called a cloud database.

    <p>False</p> Signup and view all the answers

    Dynamic web pages commonly use databases.

    <p>True</p> Signup and view all the answers

    In a student database, NAME would be considered _______ in the table while all of Jennifer Mitchel's info would be a ________.

    <p>field or column; record or row</p> Signup and view all the answers

    What does data integrity refer to?

    <p>The accuracy of the table.</p> Signup and view all the answers

    When _______ organization is used, a hashing procedure determines where data is stored.

    <p>direct</p> Signup and view all the answers

    The terms front end and back end refer to ________ data base entry.

    <p>client-server</p> Signup and view all the answers

    What is data integrity?

    <p>When an organization has inconsistent duplicated data and doesn't allow the user to enter the number in the phone number field in a database.</p> Signup and view all the answers

    What is data security?

    <p>Requiring user to log into a database system via fingerprint reader.</p> Signup and view all the answers

    What is data definition?

    <p>Assigning a field the property of 'required'.</p> Signup and view all the answers

    What is a database?

    <p>A collection of related data that is stored in a manner enabling information to be retrieved as needed.</p> Signup and view all the answers

    What is a record in a database?

    <p>A collection of related fields, also called a row.</p> Signup and view all the answers

    What is a query?

    <p>A request to see information from a database that matches specific criteria.</p> Signup and view all the answers

    What is an index in a database?

    <p>A small table containing a primary key and the location of the record belonging to that key.</p> Signup and view all the answers

    What is a primary key?

    <p>A specific field in a database table that uniquely identifies the records in that table.</p> Signup and view all the answers

    What is a relational database management system?

    <p>A type of database system in which data is stored in tables related by common fields, the most widely used database model today.</p> Signup and view all the answers

    What is a table in a relational database?

    <p>A collection of related records (rows).</p> Signup and view all the answers

    What is middleware?

    <p>Software used to connect to otherwise separate applications such as a web server and database management system.</p> Signup and view all the answers

    What is a data validation?

    <p>The process of ensuring that data entered into a database matches the data definition.</p> Signup and view all the answers

    What is a data dictionary?

    <p>The repository of all data definitions in a database.</p> Signup and view all the answers

    What is source code?

    <p>A computer program before it is compiled.</p> Signup and view all the answers

    What is a compiler?

    <p>A language translator that converts an entire program into machine language before executing it.</p> Signup and view all the answers

    What is object-oriented programming (OOP)?

    <p>An approach to program design in which a program consists of objects that contain data (attributes) and processors (methods) to be used with those objects.</p> Signup and view all the answers

    What is a software development kit (SDK)?

    <p>A programming package designed for a particular platform that enables programmers to develop applications for that platform quickly and easily.</p> Signup and view all the answers

    What is a markup language?

    <p>A type of language that uses symbols or tags to describe what a document should look like.</p> Signup and view all the answers

    What is a syntax error?

    <p>A programming error that occurs when the programmer has not followed the rules of the programming language.</p> Signup and view all the answers

    What is a flow chart?

    <p>A program design tool that graphically shows step-by-step how a computer program will process data.</p> Signup and view all the answers

    What is object code?

    <p>The machine language version of a computer program generated when the program source code is compiled.</p> Signup and view all the answers

    What is debugging?

    <p>The process of ensuring a program is free of errors.</p> Signup and view all the answers

    What is coding?

    <p>The process of writing the programming language statements to create a computer program.</p> Signup and view all the answers

    What is HTML5?

    <p>A markup language used to create web pages and web applications.</p> Signup and view all the answers

    What is Java?

    <p>A high-level programming language used to write web applications and applets.</p> Signup and view all the answers

    What is assembly language?

    <p>A low-level programming language.</p> Signup and view all the answers

    A systems analyst is an individual who writes the codes for a computer program.

    <p>False</p> Signup and view all the answers

    The terms class and inheritance are associated with the object-oriented programming approach.

    <p>True</p> Signup and view all the answers

    With a do-while structure, the program statement in the loop are always executed at least once.

    <p>True</p> Signup and view all the answers

    Basic is an example of an object-oriented programming language.

    <p>False</p> Signup and view all the answers

    A wireframe is another name for a flow chart.

    <p>False</p> Signup and view all the answers

    A _______ (called an attribute in OOP) in a computer program holds the current value of a data item in that program.

    <p>variable</p> Signup and view all the answers

    A _______ converts the source code of an application program into executable object code (machine language) one line at a time.

    <p>interpreter</p> Signup and view all the answers

    Using an incorrect formula is an example of a ________ error.

    <p>logic</p> Signup and view all the answers

    _________ software development is an approach that uses short development cycles in order to produce small functional pieces of a program on an ongoing basis.

    <p>agile</p> Signup and view all the answers

    List the phases in the program development life cycle (PDLC).

    <p>Problem analysis, Program design, Program coding, Program debugging and testing, Program implementation and maintenance.</p> Signup and view all the answers

    What is a data warehouse?

    <p>A comprehensive collection of data about a company and its customers.</p> Signup and view all the answers

    What is a robot?

    <p>A device controlled by a human operator or a computer that can move and react to sensory input.</p> Signup and view all the answers

    What is computer-aided design (CAD)?

    <p>A general term applied to the use of computer technology to automate design functions.</p> Signup and view all the answers

    What is neural network?

    <p>An expert system in which the human brain's pattern recognition process is emulated by the computer system.</p> Signup and view all the answers

    What is a geographic information system (GIS)?

    <p>An information system that combines geographic information with other types of data to provide better understanding.</p> Signup and view all the answers

    What is a systems analyst?

    <p>A person who studies systems in an organization to determine what work needs to be done.</p> Signup and view all the answers

    What is a transaction processing system (TPS)?

    <p>A type of information system that processes and records data created by an organization's business transactions.</p> Signup and view all the answers

    What is a management information system (MIS)?

    <p>A type of information system that provides decision-makers with pre-selected information for middle management decisions.</p> Signup and view all the answers

    What is the system development life cycle (SDLC)?

    <p>The process consisting of the six phases of system development.</p> Signup and view all the answers

    What is business analytics (BA)?

    <p>The process of analyzing data to evaluate a company's operations.</p> Signup and view all the answers

    Executive managers tend to make highly unstructured decisions.

    <p>True</p> Signup and view all the answers

    A decision support system would most likely be used by a non-management worker.

    <p>False</p> Signup and view all the answers

    An expert system is an example of an office system.

    <p>False</p> Signup and view all the answers

    Assigning business tasks to an external company is referred to as outsourcing.

    <p>True</p> Signup and view all the answers

    Users are only involved in the system development life cycle if the end-user approach is being used.

    <p>False</p> Signup and view all the answers

    The software program used in an expert system in conjunction with the knowledge base to reach decisions is called the _________.

    <p>inference engine</p> Signup and view all the answers

    A _______ is the computer professional who is most involved in the system development process.

    <p>systems analyst</p> Signup and view all the answers

    What is a forum?

    <p>To post a question about a product that you hope other individuals will answer.</p> Signup and view all the answers

    What is a computer network?

    <p>A collection of computers and other hardware devices that are connected together to share hardware, software, and data.</p> Signup and view all the answers

    What is an antenna?

    <p>A device used for receiving or sending radio signals.</p> Signup and view all the answers

    What is a switch?

    <p>The device used to connect multiple devices on a single network.</p> Signup and view all the answers

    What is Bluetooth?

    <p>A networking standard for very short-range wireless connections.</p> Signup and view all the answers

    What is a mesh network?

    <p>A networking layout in which there are multiple connections between devices.</p> Signup and view all the answers

    What is wireless HD (WiHD)?

    <p>A wireless networking standard designed for very fast transfers between home electronic devices.</p> Signup and view all the answers

    What is TCP/IP?

    <p>A networking protocol that uses packet switching to facilitate the transmission of messages.</p> Signup and view all the answers

    What is a global positioning system (GPS)?

    <p>A system that uses satellites and the receiver to determine the exact geographical location of the receiver.</p> Signup and view all the answers

    What is a digital signal?

    <p>A type of signal where the data is represented by 0s and 1s.</p> Signup and view all the answers

    What is Ethernet?

    <p>The most widely used wired LAN network standard.</p> Signup and view all the answers

    GPS systems are used only by the government.

    <p>False</p> Signup and view all the answers

    With serial transmissions, each bit of data is sent individually.

    <p>True</p> Signup and view all the answers

    The internet is an example of a LAN.

    <p>False</p> Signup and view all the answers

    The type of cable used inside most homes for telephone service is twisted pair wire.

    <p>True</p> Signup and view all the answers

    A router is a type of modem.

    <p>False</p> Signup and view all the answers

    With a _________________ network topology, all devices are connected in a line to a central cable.

    <p>bus</p> Signup and view all the answers

    A __________ phone can be used with more than one communication network, such as both cellular and Wi-Fi.

    <p>dual mode</p> Signup and view all the answers

    A small network designed to connect personal devices for an individual (such as via Bluetooth) is called a __________.

    <p>personal area network or PAN</p> Signup and view all the answers

    A __________ is a network that transfers private information securely over the Internet or other public networks.

    <p>virtual private network or VPN</p> Signup and view all the answers

    Benefits that are easy to quantify in dollars are called __________.

    <p>tangible</p> Signup and view all the answers

    A __________ is a model of a system that is built during systems development.

    <p>prototype</p> Signup and view all the answers

    What is business intelligence (BI)?

    <p>A process of gathering, storing, assessing, and analyzing data in order to make better business decisions.</p> Signup and view all the answers

    What is a decision support system (DSS)?

    <p>Used to provide upper managers with the information they need to make decisions.</p> Signup and view all the answers

    What are document management systems (DMSs)?

    <p>Used to store, organize, and retrieve electronic documents.</p> Signup and view all the answers

    What is a firewall?

    <p>The collection of hardware and/or software intended to protect a computer or network from unauthorized access.</p> Signup and view all the answers

    What is a dot-com?

    <p>A fraud or scam carried out through the internet.</p> Signup and view all the answers

    Study Notes

    Web Development and Network Basics

    • A web site is a collection of related web pages, typically associated with an organization or individual.
    • A Uniform Resource Locator (URL) is the internet address identifying a webpage, beginning with http:// or https://.
    • The internet is the largest network, serving as a key communication tool.

    Computer Types and Functions

    • A computer is a programmable device that processes input data and produces output results.
    • A tablet computer is a portable device designed for touch input or digital pen interaction.
    • A supercomputer is the most powerful and fastest type of computer, often the most expensive.

    Data Operations and Management

    • Processing involves operations performed on input data to generate output.
    • Storage refers to saving data and programs for future use.
    • Normalization minimizes data redundancy in databases, ensuring efficient data organization.

    Database Fundamentals

    • A database consists of related data stored to allow information retrieval.
    • Fields (or columns) represent specific data categories, while records (or rows) hold related information.
    • A primary key uniquely identifies records within a database table, essential for data integrity.

    Programming Concepts

    • Software consists of instructions that guide computer operations, while hardware refers to physical components like monitors and keyboards.
    • Debugging involves correcting errors in a program, whereas coding is the action of writing program code.
    • Object-oriented programming (OOP) organizes data and methods into objects, enhancing code reusability and structure.

    Networking Technologies

    • A computer network connects devices for shared resources and communication.
    • Bluetooth facilitates short-range wireless connections between devices.
    • A mesh network allows for multiple paths between devices, enhancing connectivity and reliability.

    Security and Data Integrity

    • Data integrity ensures accuracy within a database, preventing inconsistent or duplicated data.
    • Data security uses authentication methods, like fingerprint logins, to protect database access.
    • A firewall serves as a barrier to protect networks from unauthorized access.

    Data Analysis and Business Intelligence

    • Business analytics (BA) evaluates company operations through data analysis.
    • Decision support systems (DSS) provide upper management with vital information for decision-making.
    • Business intelligence (BI) involves gathering and analyzing data to improve business strategies.

    Development Methodologies

    • Agile software development employs iterative cycles for delivering functional software components rapidly.
    • The system development life cycle (SDLC) outlines phases from preliminary investigation to system maintenance, ensuring structured development.

    Technological Tools and Languages

    • HTML5 is a markup language for creating web pages and applications, while Python is a high-level language suitable for various applications.
    • An interpreter translates source code into machine language line-by-line, allowing for immediate execution.

    Miscellaneous Concepts

    • A data warehouse stores comprehensive datasets about a company and its clientele.
    • A virtual private network (VPN) ensures secure information transfer over public networks.
    • Tangible benefits are quantifiable advantages in dollar terms, while prototypes model systems during their development.

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    Prepare for your CS 11 final exam with these flashcards that cover essential computer science terms. Each card provides a clear definition to help reinforce your understanding of key concepts like web sites and URLs.

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